messages
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[ { "content": "Finished her homework, Nastya decided to play computer games. Passing levels one by one, Nastya eventually faced a problem. Her mission is to leave a room, where a lot of monsters live, as quickly as possible.\n\nThere are $n$ manholes in the room which are situated on one line, but, unfortunately...
[{"input": "4237 4112\n", "output": "12836\n"}, {"input": "5000 1628\n", "output": "16627\n"}, {"input": "5000 3531\n", "output": "16469\n"}, {"input": "5000 2895\n", "output": "17105\n"}, {"input": "5000 3576\n", "output": "16424\n"}, {"input": "3474 3427\n", "output": "10469\n"}, {"input": "3400 1203\n", "output": "1...
code_stdio
[ { "content": "This problem is given in two versions that differ only by constraints. If you can solve this problem in large constraints, then you can just write a single solution to the both versions. If you find the problem too difficult in large constraints, you can write solution to the simplified version on...
[{"input": "80 979\n2 1 1 1 2 1 1 1 3 1 4 4 2 1 1 3 1 1 2 1 4 1 1 2 5 4 8 1 3 6 5 7 2 3 4 1 2 2 6 1 2 2 4 1 1 2 3 2 8 1 1 3 3 4 1 1 2 1 4 4 1 4 3 2 6 5 2 1 4 1 2 3 2 1 3 3 1 2 1 3\n498 976 513 869 917 914 664 656 957 893 981 947 1947 693 576 958 987 822 981 718 884 729 295 683 485 998 730 894 731 975 739 854 906 740 98...
code_stdio
[ { "content": "Once upon a time when people still believed in magic, there was a great wizard Aranyaka Gondlir. After twenty years of hard training in a deep forest, he had finally mastered ultimate magic, and decided to leave the forest for his home.\n\nArriving at his home village, Aranyaka was very surprised ...
[{"input": "8\n-7 9 6 9\n1 5 12 8\n-10 -5 12 -5\n-6 9 -9 -1\n6 13 18 -1\n-1 -2 -4 10\n1 -2 4 10\n0 -3 2 -3\n8\n-7 9 5 7\n-3 5 6 5\n-10 -5 10 -5\n-6 9 -7 -5\n6 5 9 -6\n-1 -2 -3 10\n1 -2 3 10\n-2 -5 2 -3\n0", "output": "no\nyes\n"}, {"input": "8\n-9 9 6 9\n1 5 12 8\n-10 -5 12 -5\n-6 9 -9 -1\n6 13 18 -1\n-1 -2 -4 10\n1 -2...
code_stdio
[ { "content": "The Travelling Salesman spends a lot of time travelling so he tends to get bored. To pass time, he likes to perform operations on numbers. One such operation is to take a positive integer x and reduce it to the number of bits set to 1 in the binary representation of x. For example for number 13 it...
[{"input": "10011010111010010111111110001010001010001010110010110010010111101111000101110101010111100101001100011001001001111011111100011110101011011001101101001111111101010010110011111101110010001000111111100011000000111111111100011000000000110101111000001011101000110000111110110000010000010011000011011110101111111101...
code_stdio
[ { "content": "Polycarp decided to relax on his weekend and visited to the performance of famous ropewalkers: Agafon, Boniface and Konrad.\n\nThe rope is straight and infinite in both directions. At the beginning of the performance, Agafon, Boniface and Konrad are located in positions $a$, $b$ and $c$ respective...
[{"input": "1000000000 1000000000 1000000000 1000000000\n", "output": "2000000000\n"}, {"input": "1000000000 1000000000 1000000000 1000000000\n", "output": "2000000000\n"}, {"input": "1000000000 1000000000 1000000000 1000010000\n", "output": "2000020000\n"}, {"input": "500000000 250000000 750000000 1000000000\n", "outp...
code_stdio
[ { "content": "In a flower bed, there are N flowers, numbered 1,2,......,N. Initially, the heights of all flowers are 0.\nYou are given a sequence h=\\{h_1,h_2,h_3,......\\} as input. You would like to change the height of Flower k to h_k for all k (1 \\leq k \\leq N), by repeating the following \"watering\" op...
[{"input": "100\n0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 100 100 0 1...
code_stdio
[ { "content": "Arkady owns a non-decreasing array $a_1, a_2, \\ldots, a_n$. You are jealous of its beauty and want to destroy this property. You have a so-called XOR-gun that you can use one or more times.\n\nIn one step you can select two consecutive elements of the array, let's say $x$ and $y$, remove them fro...
[{"input": "50\n33938936 37616740 40124673 57563878 69692739 80274059 86990853 92067934 137164958 141525047 145291746 183557477 192615612 213000557 231642778 248293447 271211165 361145892 387507168 418475785 425716910 433349153 443947914 471529381 474531169 490097471 491934162 504402098 522358804 586427592 592754073 66...
code_stdio
[ { "content": "Omkar is standing at the foot of Celeste mountain. The summit is $n$ meters away from him, and he can see all of the mountains up to the summit, so for all $1 \\leq j \\leq n$ he knows that the height of the mountain at the point $j$ meters away from himself is $h_j$ meters. It turns out that for ...
[{"input": "100\n75 122 155 169 264 333 369 416 439 486 503 541 557 635 726 745 814 845 899 914 943 1016 1090 1132 1191 1199 1258 1323 1423 1491 1557 1562 1583 1663 1707 1711 1729 1095 1819 1894 1916 1926 1953 2022 2042 2055 2061 2125 2135 2170 2183 2215 2310 2338 2377 2420 2425 2473 2484 2537 2551 2576 2577 2593 2647 ...
code_stdio
[ { "content": "Alice wants to send an email to Miku on her mobile phone.\n\nThe only buttons that can be used for input on mobile phones are number buttons. Therefore, in order to input characters, the number buttons are pressed several times to input characters. The following characters are assigned to the numb...
[{"input": "5\n110\n100\n222220\n44033055505550666011011111090666077705550301110\n000555555550000330000444000080000200004440000", "output": ",\n.\nb\nhello, world!\nkeitai\n"}, {"input": "5\n40\n220\n222220\n44033055505550666011011111090666077705550301110\n000555555550000330000444000080000200004440000", "output": "g\nb...
code_stdio
[ { "content": "You are given three integers A, B and C.\nDetermine whether C is not less than A and not greater than B.\n\n-----Constraints-----\n - -100≤A,B,C≤100 \n - A, B and C are all integers.\n\n-----Input-----\nInput is given from Standard Input in the following format: \nA B C\n\n-----Output-----\nIf th...
[{"input": "-1 2 -1", "output": "Yes\n"}, {"input": "-3 0 -3", "output": "Yes\n"}, {"input": "-5 0 -3", "output": "Yes\n"}, {"input": "-4 2 -3", "output": "Yes\n"}, {"input": "-1 4 -1", "output": "Yes\n"}, {"input": "-1 8 -1", "output": "Yes\n"}, {"input": "-1 3 -1", "output": "Yes\n"}, {"input": "-2 3 -1", "output": "...
code_stdio
[ { "content": "We have three stones at points (0, 0), (1,0), and (0,1) on a two-dimensional plane.\nThese three stones are said to form an L when they satisfy the following conditions:\n - Each of the stones is at integer coordinates.\n - Each of the stones is adjacent to another stone. (That is, for each stone,...
[{"input": "1000\n-531569399 91952876 -531569398 91952876 -531569398 91952877\n-692870309 -873246782 -692870308 -873246781 -692870309 -873246781\n-798019330 -828099598 -798019331 -828099598 -798019331 -828099597\n-767791333 22835338 -767791333 22835339 -767791332 22835339\n198497926 64981689 198497925 64981690 19849792...
code_stdio
[ { "content": "You are given a non-decreasing array of non-negative integers $a_1, a_2, \\ldots, a_n$. Also you are given a positive integer $k$.\n\nYou want to find $m$ non-decreasing arrays of non-negative integers $b_1, b_2, \\ldots, b_m$, such that: The size of $b_i$ is equal to $n$ for all $1 \\leq i \\leq...
[{"input": "6\n4 1\n0 0 0 1\n3 1\n3 3 3\n11 3\n0 1 2 2 3 3 3 4 4 4 4\n5 3\n1 2 3 4 5\n9 4\n2 2 3 5 7 11 13 13 17\n10 7\n0 1 1 2 3 3 4 5 5 6\n", "output": "-1\n1\n2\n2\n2\n1\n"}, {"input": "6\n4 1\n0 0 0 1\n3 1\n3 3 3\n11 3\n0 1 2 2 3 3 3 4 4 4 4\n5 3\n1 2 3 4 5\n9 4\n2 2 3 5 7 11 13 13 17\n10 7\n0 1 1 2 3 3 4 5 5 6\n",...
code_stdio
[ { "content": "-----Input-----\n\nThe only line of the input is a string of 7 characters. The first character is letter A, followed by 6 digits. The input is guaranteed to be valid (for certain definition of \"valid\").\n\n\n-----Output-----\n\nOutput a single integer.\n\n\n-----Examples-----\nInput\nA221033\n\n...
[{"input": "A221033\n", "output": "21\n"}, {"input": "A223635\n", "output": "22\n"}, {"input": "A232726\n", "output": "23\n"}, {"input": "A102210\n", "output": "25\n"}, {"input": "A231010\n", "output": "26\n"}, {"input": "A222222\n", "output": "13\n"}, {"input": "A555555\n", "output": "31\n"}, {"input": "A102222\n", "o...
code_stdio
[ { "content": "Recently Luba bought a monitor. Monitor is a rectangular matrix of size n × m. But then she started to notice that some pixels cease to work properly. Luba thinks that the monitor will become broken the first moment when it contains a square k × k consisting entirely of broken pixels. She knows th...
[{"input": "29 50 5 29\n21 42 1565821\n21 43 53275635\n21 44 2717830\n21 45 9579585\n21 46 20725775\n22 42 2568372\n22 43 9584662\n22 44 31411635\n22 45 5089311\n22 46 4960702\n23 42 11362237\n23 43 42200296\n23 44 18762146\n23 45 8553819\n23 46 4819516\n24 42 10226552\n24 43 21022685\n24 44 32940182\n24 45 39208099\n2...
code_stdio
[ { "content": "Emily's birthday is next week and Jack has decided to buy a present for her. He knows she loves books so he goes to the local bookshop, where there are n books on sale from one of m genres.\n\nIn the bookshop, Jack decides to buy two books of different genres.\n\nBased on the genre of books on sal...
[{"input": "100 10\n7 4 5 5 10 10 5 8 5 7 4 5 4 6 8 8 2 6 3 3 10 7 10 8 6 2 7 3 9 7 7 2 4 5 2 4 9 5 10 1 10 3 10 4 1 3 4 2 6 9 9 10 10 6 2 5 6 1 9 10 4 10 3 4 10 5 5 4 10 4 5 3 7 10 2 7 3 6 9 6 1 6 5 2 4 6 6 4 4 1 5 1 6 6 6 8 8 6 2 6\n", "output": "4433\n"}, {"input": "100 10\n7 4 5 5 10 10 5 8 5 7 4 5 4 6 8 8 2 6 3 3 ...
code_stdio
[ { "content": "Read problems statements in Mandarin Chinese , Russian and Vietnamese as well. \nAkhil comes across a string S of length N. He started wondering about the smallest lexicographical subsequence of string S of length K.\nA subsequence of a string is formed by deleting some characters (possibly none) ...
[{"input": "2\nbabb\n4\ncbbe\n3", "output": "babb\nbbe\n"}, {"input": "2\nbabb\n4\ncbbe\n2", "output": "babb\nbb\n"}, {"input": "2\nabdc\n3\nbcbb\n3", "output": "abc\nbbb\n"}, {"input": "2\ncbda\n3\nbcbb\n3", "output": "bda\nbbb\n"}, {"input": "2\nbbcb\n3\nbbeb\n3", "output": "bbb\nbbb\n"}, {"input": "2\nabdc\n3\nbcab\...
code_stdio
[ { "content": "Write a program which replace all the lower-case letters of a given text with the corresponding captital letters.\n\n\n\nInput\n\nA text including lower-case letters, periods, and space is given in a line. The number of characters in the text is less than or equal to 200.\n\nOutput\n\nPrint the co...
[{"input": "this is b pen.", "output": "THIS IS B PEN.\n"}, {"input": "tiis is b pen.", "output": "TIIS IS B PEN.\n"}, {"input": "tiis is a pen.", "output": "TIIS IS A PEN.\n"}, {"input": "tiis it a pen.", "output": "TIIS IT A PEN.\n"}, {"input": "tiis it a pem.", "output": "TIIS IT A PEM.\n"}, {"input": "tiis it a .me...
code_stdio
[ { "content": "Recently, a chaotic virus Hexadecimal advanced a new theorem which will shake the Universe. She thinks that each Fibonacci number can be represented as sum of three not necessary different Fibonacci numbers.\n\nLet's remember how Fibonacci numbers can be calculated. F0 = 0, F1 = 1, and all the nex...
[{"input": "165580141\n", "output": "0 0 165580141\n"}, {"input": "267914296\n", "output": "0 0 267914296\n"}, {"input": "102334155\n", "output": "0 0 102334155\n"}, {"input": "433494437\n", "output": "0 0 433494437\n"}, {"input": "701408733\n", "output": "0 0 701408733\n"}, {"input": "24157817\n", "output": "0 0 24157...
code_stdio
[ { "content": "Squirrel Liss loves nuts. There are n trees (numbered 1 to n from west to east) along a street and there is a delicious nut on the top of each tree. The height of the tree i is h_{i}. Liss wants to eat all nuts.\n\nNow Liss is on the root of the tree with the number 1. In one second Liss can perfo...
[{"input": "5\n2\n1\n2\n1\n1\n", "output": "14\n"}, {"input": "5\n2\n1\n2\n2\n1\n", "output": "14\n"}, {"input": "5\n3\n1\n2\n2\n1\n", "output": "16\n"}, {"input": "5\n3\n1\n2\n3\n1\n", "output": "18\n"}, {"input": "5\n2\n1\n2\n3\n0\n", "output": "17\n"}, {"input": "5\n2\n2\n2\n3\n0\n", "output": "15\n"}, {"input": "5\...
code_stdio
[ { "content": "There is a square grid with N rows and M columns. Each square contains an integer: 0 or 1. The square at the i-th row from the top and the j-th column from the left contains a_{ij}.\n\nAmong the 2^{N+M} possible pairs of a subset A of the rows and a subset B of the columns, find the number of the ...
[{"input": "1 0\n-1 -1 -2\n-1 -1 2", "output": "0\n"}, {"input": "1 0\n-1 -1 -1\n-1 0 2", "output": "0\n"}, {"input": "1 0\n-1 -1 -2\n-1 0 2", "output": "0\n"}, {"input": "1 0\n-1 -2 -2\n-1 0 2", "output": "0\n"}, {"input": "1 0\n-1 -1 -2\n-1 0 9", "output": "0\n"}, {"input": "1 3\n-1 -1 -1\n-1 0 0", "output": "4\n"}, ...
code_stdio
[ { "content": "Guy-Manuel and Thomas have an array $a$ of $n$ integers [$a_1, a_2, \\dots, a_n$]. In one step they can add $1$ to any element of the array. Formally, in one step they can choose any integer index $i$ ($1 \\le i \\le n$) and do $a_i := a_i + 1$.\n\nIf either the sum or the product of all elements ...
[{"input": "1\n100\n64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64 64 -64...
code_stdio
[ { "content": "Write a program which prints the central coordinate $(p_x, p_y)$ and the radius $r$ of a circumscribed circle of a triangle which is constructed by three points $(x_1, y_1)$, $(x_2, y_2)$ and $(x_3, y_3)$ on the plane surface.\n\nConstraints\n\n* $-100 \\leq x_1, y_1, x_2, y_2, x_3, y_3 \\leq 100$...
[{"input": "1\n2.8556561587971867 4.098709639034822 6.878795580867833 3.0145101929316445 3.6376948130130224 3.91920391890877", "output": "-6.763 -39.601 44.746\n"}, {"input": "1\n1.9722767865259834 2.1872698203510574 5.0349339525211345 1.6314771532390826 2.4312803667981866 3.503430391497748", "output": "3.586 2.363 1.6...
code_stdio
[ { "content": "A smelt fishing tournament was held at Lake Hibara. It seems that catch and release is recommended this time.\n\nCreate a program that reads the participant number and the number of fish caught or released in order as one event, and outputs the participant number and the number of animals that hav...
[{"input": "3 5\n1 14\n2 5\n1 3\n3 4\n2 11", "output": "1 14\n1 14\n1 17\n1 17\n1 17\n"}, {"input": "3 5\n1 4\n2 10\n1 5\n3 4\n3 11", "output": "1 4\n2 10\n2 10\n2 10\n3 15\n"}, {"input": "3 5\n1 4\n2 19\n1 5\n3 4\n3 11", "output": "1 4\n2 19\n2 19\n2 19\n2 19\n"}, {"input": "3 5\n1 4\n2 5\n1 7\n3 4\n3 11", "output": "...
code_stdio
[ { "content": "Tenten runs a weapon shop for ninjas. Today she is willing to sell $n$ shurikens which cost $1$, $2$, ..., $n$ ryo (local currency). During a day, Tenten will place the shurikens onto the showcase, which is empty at the beginning of the day. Her job is fairly simple: sometimes Tenten places anothe...
[{"input": "10\n+\n- 3\n+\n+\n+\n+\n- 1\n- 7\n- 9\n- 10\n+\n+\n+\n- 4\n- 5\n- 8\n+\n- 6\n+\n- 2\n", "output": "YES\n3 10 9 7 1 8 5 4 6 2 \n"}, {"input": "10\n+\n- 3\n+\n+\n+\n+\n- 1\n- 7\n- 9\n- 10\n+\n+\n+\n- 4\n- 5\n- 8\n+\n- 6\n+\n- 2\n", "output": "YES\n3 10 9 7 1 8 5 4 6 2\n"}, {"input": "10\n+\n- 3\n+\n+\n+\n+\n-...
code_stdio
[ { "content": "One of the games that uses the Hyakunin Isshu tag is \"Buddhist turning\". It is a simple game that uses only picture cards, so it is widely enjoyed. There are various derivative types of rules, but the shaved turn considered here is performed by N participants according to the following rules.\n\...
[{"input": "2\nSSSSSSSSSSSSSSSLLLLLLLLLLLLLLLLLLLLLMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\n9\nSSSSSSSSSSSSSSLLLLLLLLLMLLLLLLLLLLMMMMMMMMMMMMMMMMMMMMMMMMMMMMMLMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMSL\n6\nMMMMMMSMSLLMMMSMMSLMMMLMMMMLSLLLLMMSMMLMMLLMSSSLMMMMLMLSMLMSMMMMMMMSMMMMMMLMMMMMSMMMLMMLMMMMMMM...
code_stdio
[ { "content": "Vus the Cossack has a field with dimensions n × m, which consists of \"0\" and \"1\". He is building an infinite field from this field. He is doing this in this way:\n\n 1. He takes the current field and finds a new inverted field. In other words, the new field will contain \"1\" only there, wher...
[{"input": "1 2 10\n01\n4 1 5 1\n1 2 1 16\n3 4 3 5\n1 1 1 5\n4 3 6 5\n1 1 1 3\n1 3 4 5\n3 2 3 6\n3 1 5 2\n3 1 3 5\n", "output": "1\n8\n1\n3\n5\n2\n6\n2\n3\n2\n"}, {"input": "1 2 10\n01\n4 1 5 2\n1 2 1 4\n3 4 3 5\n1 3 1 5\n4 3 5 5\n1 1 3 3\n1 3 4 5\n3 2 3 4\n3 1 5 2\n3 1 3 5\n", "output": "2\n2\n1\n2\n3\n4\n6\n1\n3\n2\n...
code_stdio
[ { "content": "Marina loves Sasha. But she keeps wondering whether Sasha loves her. Of course, the best way to know it is fortune telling. There are many ways of telling fortune, but Marina has picked the easiest one. She takes in her hand one or several camomiles and tears off the petals one by one. After each ...
[{"input": "100\n100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 99 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 ...
code_stdio
[ { "content": "Morning desert sun horizon\n\nRise above the sands of time...\n\nFates Warning, \"Exodus\"\n\nAfter crossing the Windswept Wastes, Ori has finally reached the Windtorn Ruins to find the Heart of the Forest! However, the ancient repository containing this priceless Willow light did not want to open...
[{"input": "7\n1\na\n2\nab\n2\nab\n2\nba\n2\nbc\n26\nabcdeqghujklmnopfrstivwxyz\n26\nabcdefghijklmnopqrstuvwxyz\n", "output": "1\n3\n3\n2\n3\n296\n351\n"}, {"input": "7\n1\na\n2\nca\n2\nab\n2\nba\n2\nad\n26\nabcdeqghujklmnopfrstivwxyz\n26\nabcdefgpijklmnohqrstuvwxyz\n", "output": "1\n2\n3\n2\n3\n296\n321\n"}, {"input":...
code_stdio
[ { "content": "There are a total of W x H squares, with H rows vertically and W columns horizontally. Some squares are marked. Create a program that reads the marked state of each square and outputs the maximum rectangular area consisting of only the unmarked squares.\n\nThe input data consists of one line of W ...
[{"input": "10 10\n...*....**\n..........\n**....**..\n........*.\n..*.......\n**........\n.*........\n..........\n....*..***\n.*....*...\n10 10\n..*....*..\n.*.*...*..\n*****..*..\n*...*..*..\n*...*..*..\n..........\n.***.*..**\n..*..*...*\n.*...*...*\n****..***.\n2 3\n...\n...\n0 0", "output": "28\n12\n6\n"}, {"input...
code_stdio
[ { "content": "Andrewid the Android is a galaxy-famous detective. He is now investigating the case of vandalism at the exhibition of contemporary art.\n\nThe main exhibit is a construction of n matryoshka dolls that can be nested one into another. The matryoshka dolls are numbered from 1 to n. A matryoshka with ...
[{"input": "100 19\n6 62 72 83 91 94 97\n3 61 84 99\n1 63\n5 46 53 56 69 78\n5 41 43 49 74 89\n5 55 57 79 85 87\n3 47 59 98\n3 64 76 82\n3 48 66 75\n2 60 88\n2 67 77\n4 40 51 73 95\n41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 44 71 81\n4 58 65 90 93\n1 100...
code_stdio
[ { "content": "Maki is a house cat. One day she fortunately came at a wonderful-looking dried fish. Since she felt not hungry on that day, she put it up in her bed. However there was a problem; a rat was living in her house, and he was watching for a chance to steal her food. To secure the fish during the time s...
[{"input": "3\n0 -1 100 001\n60 100 50\n100 110 10\n25 75 50\n4\n0 0 100 000\n50 50 50\n150 50 50\n50 150 50\n150 117 50\n0", "output": "0\n0\n"}, {"input": "3\n0 0 100 101\n60 100 50\n100 100 10\n80 80 50\n4\n0 0 100 100\n50 50 50\n150 50 50\n50 150 50\n150 150 50\n0", "output": "2\n0\n"}, {"input": "3\n0 0 100 101\n6...
code_stdio
[ { "content": "Last week, Hamed learned about a new type of equations in his math class called Modular Equations. Lets define i modulo j as the remainder of division of i by j and denote it by $i \\operatorname{mod} j$. A Modular Equation, as Hamed's teacher described, is an equation of the form $a \\operatornam...
[{"input": "1000000000 1000000000\n", "output": "infinity\n"}, {"input": "1000000000 1000000000\n", "output": "infinity"}, {"input": "1000000000 1000001000\n", "output": "0\n"}, {"input": "1204165230 1287214915\n", "output": "0\n"}, {"input": "1000000000 1010001000\n", "output": "0\n"}, {"input": "1000000000 333333300\...
code_stdio
[ { "content": "Let us consider the following operations on a string consisting of A and B:\n - Select a character in a string. If it is A, replace it with BB. If it is B, replace with AA.\n - Select a substring that is equal to either AAA or BBB, and delete it from the string.\nFor example, if the first operatio...
[{"input": "AAAAABBBBAAABBBBAAAA\nBBBBAAABBBBBBAAAAABB\n10\n2 15 2 13\n2 13 6 16\n1 13 2 20\n4 20 3 20\n1 18 9 19\n2 14 1 11\n3 20 3 15\n6 16 1 17\n4 18 8 20\n7 20 3 14\n", "output": "YES\nYES\nYES\nYES\nYES\nYES\nNO\nNO\nNO\nNO\n"}, {"input": "AAAAABBBBAAABBBBAAAA\nBBBBAAABBBBBBAAAAABB\n10\n2 15 2 13\n2 13 6 16\n1 13 ...
code_stdio
[ { "content": "There are N slimes lining up from left to right. The colors of these slimes will be given as a string S of length N consisting of lowercase English letters. The i-th slime from the left has the color that corresponds to the i-th character of S.\nAdjacent slimes with the same color will fuse into o...
[{"input": "99798\nbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb...
code_stdio
[ { "content": "Internet search engines, such as Google, automatically sort and categorize web pages around the world to create a huge database. It also parses the search keywords entered by the user and creates an inquiry statement for database search.\n\nIn each case, complicated processing is performed to real...
[{"input": "niW todax's premiminary contest `nd eb eqjgilaue ot vhsit Uniwersity of Aizu-", "output": "niW `nd vhsit Aizu-\n"}, {"input": "pUi sod'xsa yqnlibiocro tsfsloc `cn bg fualhgdpj pv hjssv Umjweqsity dn vyjA-", "output": "pUi `cn hjssv vyjA-\n"}, {"input": "Win today's preliminary contest and be qualified to vi...
code_stdio
[ { "content": "Maxim wants to buy an apartment in a new house at Line Avenue of Metropolis. The house has n apartments that are numbered from 1 to n and are arranged in a row. Two apartments are adjacent if their indices differ by 1. Some of the apartments can already be inhabited, others are available for sale....
[{"input": "1000000000 333333333\n", "output": "1 666666666\n"}, {"input": "1000000000 333333334\n", "output": "1 666666666\n"}, {"input": "1000000000 333333333\n", "output": "1 666666666\n"}, {"input": "1000000000 333333334\n", "output": "1 666666666\n"}, {"input": "1000000000 596874994\n", "output": "1 403125006\n"},...
code_stdio
[ { "content": "Each student eagerly awaits the day he would pass the exams successfully. Thus, Vasya was ready to celebrate, but, alas, he didn't pass it. However, many of Vasya's fellow students from the same group were more successful and celebrated after the exam.\n\nSome of them celebrated in the BugDonalds ...
[{"input": "100 100 100 100\n", "output": "-1\n"}, {"input": "101 100 100 100\n", "output": "-1\n"}, {"input": "100 100 100 100\n", "output": "-1"}, {"input": "100 0 100 100\n", "output": "-1\n"}, {"input": "100 100 100 0\n", "output": "-1\n"}, {"input": "0 100 100 100\n", "output": "-1\n"}, {"input": "100 100 0 100\n"...
code_stdio
[ { "content": "Sam has been teaching Jon the Game of Stones to sharpen his mind and help him devise a strategy to fight the white walkers. The rules of this game are quite simple: The game starts with n piles of stones indexed from 1 to n. The i-th pile contains s_{i} stones. The players make their moves altern...
[{"input": "124\n34\n44\n21\n55\n1\n36\n53\n31\n58\n59\n11\n40\n20\n32\n43\n48\n16\n5\n35\n20\n21\n36\n15\n2\n11\n56\n58\n2\n40\n47\n29\n21\n4\n21\n1\n25\n51\n55\n17\n40\n56\n35\n51\n1\n34\n18\n54\n44\n1\n43\n16\n28\n21\n14\n57\n53\n29\n44\n59\n54\n47\n21\n43\n41\n11\n37\n30\n4\n39\n47\n40\n50\n52\n9\n32\n1\n19\n30\n20...
code_stdio
[ { "content": "You are given a tree, which consists of $n$ vertices. Recall that a tree is a connected undirected graph without cycles. [Image] Example of a tree. \n\nVertices are numbered from $1$ to $n$. All vertices have weights, the weight of the vertex $v$ is $a_v$.\n\nRecall that the distance between two ...
[{"input": "14 2\n3 2 3 1 2 3 6 2 3 1 4 2 1 3\n12 10\n2 7\n13 12\n14 11\n10 5\n1 2\n11 4\n4 9\n14 8\n12 4\n7 14\n13 6\n10 3\n", "output": "15\n"}, {"input": "14 2\n3 2 3 1 2 3 4 2 3 1 4 2 1 3\n12 10\n2 7\n13 12\n14 11\n10 5\n1 2\n11 4\n4 9\n14 8\n12 4\n7 9\n13 6\n10 3\n", "output": "15\n"}, {"input": "14 4\n6 4 1 2 3 3...
code_stdio
[ { "content": "For a given weighted undirected graph G(V, E), find the distance of the shortest route that meets the following criteria:\n\n* It is a closed cycle where it ends at the same point it starts.\n* The route must go through every edge at least once.\n\nConstraints\n\n* 2 ≤ |V| ≤ 15\n* 0 ≤ |E| ≤ 1,000\...
[{"input": "6 5\n0 1 0\n0 2 2\n1 3 3\n1 4 13\n1 0 6", "output": "42\n"}, {"input": "6 5\n0 1 0\n0 2 2\n1 3 3\n1 1 13\n1 0 6", "output": "29\n"}, {"input": "6 5\n0 0 1\n0 2 2\n1 3 3\n1 4 11\n2 0 6", "output": "37\n"}, {"input": "6 5\n0 1 0\n0 2 0\n1 3 3\n1 4 13\n1 0 6", "output": "38\n"}, {"input": "4 5\n0 1 1\n0 2 2\n1...
code_stdio
[ { "content": "Little Petya very much likes playing with little Masha. Recently he has received a game called \"Zero-One\" as a gift from his mother. Petya immediately offered Masha to play the game with him.\n\nBefore the very beginning of the game several cards are lain out on a table in one line from the left...
[{"input": "1110110101111111001111111110111011100001110111011001011111111111011010011111?111111?011111110001010110011111010111100111?111101010011101010?011111101010111111111101111010111?1111111100110110001111101111100100110011101111011110111000111?011110?111110?1011010111101111101111010100111110101111011101110011101001...
code_stdio
[ { "content": "Whereas humans nowadays read fewer and fewer books on paper, book readership among marmots has surged. Heidi has expanded the library and is now serving longer request sequences.\n\n\n-----Input-----\n\nSame as the easy version, but the limits have changed: 1 ≤ n, k ≤ 400 000.\n\n\n-----Output----...
[{"input": "11 1\n1 2 3 10 1 10 10 1 1 3 5\n", "output": "9\n"}, {"input": "11 1\n1 2 3 5 1 10 10 1 1 3 5\n", "output": "9\n"}, {"input": "11 1\n1 2 3 5 1 10 10 1 1 3 5\n", "output": "9\n"}, {"input": "11 1\n1 4 3 5 1 10 10 1 1 3 5\n", "output": "9\n"}, {"input": "11 1\n1 2 3 5 1 10 8 1 1 3 5\n", "output": "10\n"}, {"i...
code_stdio
[ { "content": "Roma (a popular Russian name that means 'Roman') loves the Little Lvov Elephant's lucky numbers.\n\nLet us remind you that lucky numbers are positive integers whose decimal representation only contains lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.\n\nRoma'...
[{"input": "49 2\n34644511 221617567 136135827 144208961 359490601 86708232 545390603 188605873 64330753 488776302 104482891 112998614 437791390 46521319 70778345 339141601 136198441 292941209 299339510 582531183 555958105 437904637 74219097 135224808 236010407 122674666 438442529 186501223 63932449 407678041 596993853...
code_stdio
[ { "content": "BerPhone X is almost ready for release with n applications being preinstalled on the phone. A category of an application characterizes a genre or a theme of this application (like \"game\", \"business\", or \"education\"). The categories are given as integers between 1 and n, inclusive; the i-th a...
[{"input": "3\n11\n2 5 1 10 1 5 1 1 1 1 5\n6\n2 2 2 2 2 1\n5\n4 3 3 1 2\n", "output": "7\n4\n4\n"}, {"input": "3\n11\n2 5 1 10 1 5 1 1 1 1 5\n6\n1 2 2 2 2 1\n5\n4 3 3 1 2\n", "output": "7\n3\n4\n"}, {"input": "3\n11\n4 5 1 10 1 5 1 1 1 1 5\n6\n2 2 2 2 2 1\n5\n4 3 3 1 2\n", "output": "7\n4\n4\n"}, {"input": "3\n11\n4 5 ...
code_stdio
[ { "content": "Little Petya wanted to give an April Fools Day present to some scientists. After some hesitation he decided to give them the array that he got as a present in Codeforces Round #153 (Div.2). The scientists rejoiced at the gift and decided to put some important facts to this array. Here are the firs...
[{"input": "13\n", "output": "1\n"}, {"input": "16\n", "output": "0\n"}, {"input": "11\n", "output": "0\n"}, {"input": "10\n", "output": "1\n"}, {"input": "15\n", "output": "1\n"}, {"input": "12\n", "output": "0\n"}, {"input": "14\n", "output": "0\n"}, {"input": "1\n", "output": "1\n"}, {"input": "7\n", "output": "0\n"...
code_stdio
[ { "content": "Vasya and Petya take part in a Codeforces round. The round lasts for two hours and contains five problems.\n\nFor this round the dynamic problem scoring is used. If you were lucky not to participate in any Codeforces round with dynamic problem scoring, here is what it means. The maximum point valu...
[{"input": "26\n3 -1 71 -1 42\n85 72 48 38 -1\n-1 -1 66 24 -1\n46 -1 60 99 107\n53 106 51 -1 104\n-1 17 98 54 -1\n44 107 66 65 102\n47 40 62 34 5\n-1 10 -1 98 -1\n-1 69 47 85 75\n12 62 -1 15 -1\n48 63 72 32 99\n91 104 111 -1 -1\n92 -1 52 -1 11\n118 25 97 1 108\n-1 61 97 37 -1\n87 47 -1 -1 21\n79 87 73 82 70\n90 108 19 ...
code_stdio
[ { "content": "This problem differs from the next one only in the presence of the constraint on the equal length of all numbers $a_1, a_2, \\dots, a_n$. Actually, this problem is a subtask of the problem D2 from the same contest and the solution of D2 solves this subtask too.\n\nA team of SIS students is going t...
[{"input": "100\n463 6421 2912 1546 3999 5175 4357 2259 7380 6081 1148 7857 3532 4168 5643 14175 2568 6681 975 9216 4590 5217 6215 7422 6631 1651 39 4268 8290 2022 3175 8281 1552 980 9314 234 934 5133 6712 1880 2766 5042 5004 5455 6038 6010 6022 1553 4015 4544 3985 4033 223 7682 6302 2121 4832 3956 9872 8340 5327 6763 ...
code_stdio
[ { "content": "Limak is a little polar bear. He doesn't have many toys and thus he often plays with polynomials.\n\nHe considers a polynomial valid if its degree is n and its coefficients are integers not exceeding k by the absolute value. More formally:\n\nLet a_0, a_1, ..., a_{n} denote the coefficients, so $P...
[{"input": "100 1000\n-62 57 -27 -67 49 -10 66 -64 -36 -78 62 -75 -39 75 -47 -36 41 -88 62 -43 22 29 -20 58 40 16 71 -2 -87 12 86 -90 -92 67 -12 -48 -10 -26 78 68 22 -3 66 -95 -81 34 14 -76 -27 76 -60 87 -84 3 35 -60 46 -65 29 -29 2 -44 -55 18 -75 91 36 34 -86 53 59 -54 -29 33 -95 66 9 72 67 -44 37 44 32 -52 -34 -4 -99...
code_stdio
[ { "content": "Bear Limak likes watching sports on TV. He is going to watch a game today. The game lasts 90 minutes and there are no breaks.\n\nEach minute can be either interesting or boring. If 15 consecutive minutes are boring then Limak immediately turns TV off.\n\nYou know that there will be n interesting m...
[{"input": "90\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90\n", "output": "90\n"}, {"input": "90\n1 2 3...
code_stdio
[ { "content": "Igor has been into chess for a long time and now he is sick of the game by the ordinary rules. He is going to think of new rules of the game and become world famous.\n\nIgor's chessboard is a square of size n × n cells. Igor decided that simple rules guarantee success, that's why his game will hav...
[{"input": "13\n.............\n.....o.......\n......o......\n.............\n...o........o\no............\n.............\n..o..........\n..........ooo\n.............\n..o...o.....o\n.............\n.o........o..\n", "output": "YES\nxx......................x\nxx.....x........x.......x\n........................x\n............
code_stdio
[ { "content": "Problem statement\n\nJota knows only the characters from `a` to` z` and the addition symbol `+`. Jota has an older sister, Tachiko. In addition to that, Tatsuko knows multiplication `*`, parentheses `(`, `)`, and integers (numbers) between `1` and` 9`. However, I don't know how to use multiple par...
[{"input": "5\nb+a+a", "output": "5\n"}, {"input": "5\nb+b+b", "output": "3\n"}, {"input": "5\na+a+b", "output": "5\n"}, {"input": "5\na+b+b", "output": "5\n"}, {"input": "5\nb+b+a", "output": "5\n"}, {"input": "5\nc+a+a", "output": "5\n"}, {"input": "5\nb+a+b", "output": "5\n"}, {"input": "5\nc+a+b", "output": "5\n"},...
code_stdio
[ { "content": "Vasya has the square chessboard of size n × n and m rooks. Initially the chessboard is empty. Vasya will consequently put the rooks on the board one after another.\n\nThe cell of the field is under rook's attack, if there is at least one rook located in the same row or in the same column with this...
[{"input": "500 43\n176 85\n460 171\n233 260\n73 397\n474 35\n290 422\n309 318\n280 415\n485 169\n106 22\n355 129\n180 301\n205 347\n197 93\n263 318\n336 382\n314 350\n476 214\n367 277\n333 166\n500 376\n236 17\n94 73\n116 204\n166 50\n168 218\n144 369\n340 91\n274 360\n171 360\n41 251\n262 478\n27 163\n151 491\n208 41...
code_stdio
[ { "content": "Alice, Bob and Charlie are playing Card Game for Three, as below:\n - At first, each of the three players has a deck consisting of some number of cards. Each card has a letter a, b or c written on it. The orders of the cards in the decks cannot be rearranged.\n - The players take turns. Alice goes...
[{"input": "abcb\naacb\nbccc\n", "output": "C\n"}, {"input": "abcb\naabb\nbccc", "output": "B\n"}, {"input": "aaca\naabb\ncccc", "output": "C\n"}, {"input": "abcb\nbbaa\nbccc", "output": "B\n"}, {"input": "aacb\nbbaa\nbccc", "output": "A\n"}, {"input": "aacb\nbbaa\ncccb", "output": "A\n"}, {"input": "aaca\nbbaa\ncccb",...
code_stdio
[ { "content": "Problem\n\nNeat lives on the world line for a total of 360 days until the 30th of every month for 1 year and 12 months. In that world, N consecutive holidays with the same schedule were applied to people all over the world every year. Consecutive holidays i are consecutive Vi days starting from Mi...
[{"input": "8\n2 9 297 297\n8 6 359 211\n8 16 28 233\n7 9 113 143\n3 18 315 190\n10 18 277 300\n9 5 276 88\n3 5 322 40", "output": "297\n"}, {"input": "8\n2 9 297 297\n8 6 359 211\n8 16 28 288\n7 9 113 143\n3 18 315 190\n10 18 277 300\n9 5 276 88\n3 5 322 40", "output": "297"}, {"input": "2\n2 21 10 13\n2 -1 10 430", "...
code_stdio
[ { "content": "Little kids, Jack and Evan like playing their favorite game Glass-and-Stone. Today they want to play something new and came across Twitter on their father's laptop.\n\nThey saw it for the first time but were already getting bored to see a bunch of sentences having at most 140 characters each. The ...
[{"input": "10 6\nCLICK 2\nCLICK 3\nCLICK 3\nCLICK 2\nCLOSEALL\nCLICK 1", "output": "1\n2\n1\n0\n0\n1\n"}, {"input": "16 6\nCLICK 2\nCLICK 1\nCLICK 3\nCLICK 3\nCLOSEALL\nCLICK 1", "output": "1\n2\n3\n2\n0\n1\n"}, {"input": "16 6\nCLICK 2\nCLICK 1\nCLICK 3\nCLICK 6\nCLOSEALL\nCLICK 1", "output": "1\n2\n3\n4\n0\n1\n"}, {...
code_stdio
[ { "content": "Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.\n\nBut I also don't want to use many numbers, so I'll choose three positive integers (they don't have to be distinct) which are not greater than n. Ca...
[{"input": "1559681\n", "output": "3794080223197672320\n"}, {"input": "1362308\n", "output": "2528276952771261580\n"}, {"input": "1165938\n", "output": "1584981275574379920\n"}, {"input": "1001000\n", "output": "1002998992999003000\n"}, {"input": "1601454\n", "output": "4107161482918855956\n"}, {"input": "1292784\n", "...
code_stdio
[ { "content": "Mr. Dango's family has extremely huge number of members. Once it had about 100 members, and now it has as many as population of a city. It is jokingly guessed that the member might fill this planet in near future. They all have warm and gracious personality and are close each other.\n\nThey usuall...
[{"input": "3\n1 2 2 3\n0 1 2 2\n1 2 0 3\n7\n1 2 0 1\n0 2 3 1\n0 0 3 1\n2 1 1 2\n5 3 4 2\n4 3 6 0\n4 -1 5 1\n0", "output": "1\n1\n"}, {"input": "3\n1 1 2 3\n0 1 2 2\n1 2 0 3\n7\n1 2 2 1\n0 2 3 2\n0 1 3 -1\n2 1 1 2\n5 3 4 2\n4 3 6 2\n4 2 5 1\n0", "output": "1\n2\n"}, {"input": "3\n1 1 2 3\n0 1 2 2\n1 2 0 3\n7\n1 2 2 0\n...
code_stdio
[ { "content": "One day Vasya the Hipster decided to count how many socks he had. It turned out that he had a red socks and b blue socks.\n\nAccording to the latest fashion, hipsters should wear the socks of different colors: a red one on the left foot, a blue one on the right foot.\n\nEvery day Vasya puts on new...
[{"input": "171 100\n", "output": "100 35\n"}, {"input": "171 110\n", "output": "110 30\n"}, {"input": "287 100\n", "output": "100 93\n"}, {"input": "287 101\n", "output": "101 93\n"}, {"input": "100 100\n", "output": "100 0\n"}, {"input": "100 100\n", "output": "100 0\n"}, {"input": "110 100\n", "output": "100 5\n"}, ...
code_stdio
[ { "content": "There is a simple directed graph G with N vertices, numbered 1, 2, \\ldots, N.\n\nFor each i and j (1 \\leq i, j \\leq N), you are given an integer a_{i, j} that represents whether there is a directed edge from Vertex i to j. If a_{i, j} = 1, there is a directed edge from Vertex i to j; if a_{i, j...
[{"input": "10 1000000000000000000\n-1 0 1 1 0 0 0 1 1 0\n0 0 0 0 -1 1 1 2 0 0\n0 1 0 1 0 1 0 1 -1 1\n1 1 1 0 1 1 0 1 1 0\n0 1 1 1 -1 1 0 1 1 1\n0 0 -1 1 0 0 1 0 1 0\n-1 0 0 2 1 0 0 1 0 2\n1 0 0 0 1 0 1 0 0 0\n0 0 0 0 0 1 0 0 0 0\n1 0 1 1 1 0 1 1 0 0", "output": "401226680\n"}, {"input": "10 1000000000000000000\n0 0 1 ...
code_stdio
[ { "content": "A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:\n\n a_{i} ≥ a_{i} - 1 for all even i, a_{i} ≤ a_{i} - 1 for all odd i > 1. \n\nFor example the arrays [1,2,1,2] and [1,1,1,1] are z-sorted while the array [1,2,3,4] isn’t...
[{"input": "100\n82 51 81 26 37 17 78 92 68 15 8 86 120 8 87 77 67 10 15 12 100 25 92 47 21 78 20 63 13 49 41 36 41 79 16 76 87 69 3 76 80 60 100 49 70 59 72 8 38 71 45 97 71 14 76 54 81 4 113 44 39 29 92 3 49 22 53 114 86 52 74 12 79 43 26 23 44 9 82 47 19 40 12 9 3 23 37 85 46 22 126 52 98 64 21 77 52 17 62 127\n", "...
code_stdio
[ { "content": "Luba is surfing the Internet. She currently has n opened tabs in her browser, indexed from 1 to n from left to right. The mouse cursor is currently located at the pos-th tab. Luba needs to use the tabs with indices from l to r (inclusive) for her studies, and she wants to close all the tabs that d...
[{"input": "100 1 100 100\n", "output": "100\n"}, {"input": "100 1 100 100\n", "output": "100\n"}, {"input": "100 100 2 99\n", "output": "100\n"}, {"input": "100 100 2 99\n", "output": "100\n"}, {"input": "100 50 2 100\n", "output": "49\n"}, {"input": "100 50 49 99\n", "output": "53\n"}, {"input": "100 50 2 99\n", "out...
code_stdio
[ { "content": "High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal letters.\n\nVasya can change no more than k characters o...
[{"input": "100 10\nbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n", "output": "100\n"}, {"input": "100 30\nbbaabaaabbbbbbbbbbaababababbbbbbaabaabbbbbbbbabbbbbabbbbabbbbbbbbaabbbbbbbbbabbbbbabbbbbbbbbaaaaabba\n", "output": "100\n"}, {"input": "100 45\naabababbabbb...
code_stdio
[ { "content": "Takahashi lives in another world. There are slimes (creatures) of 10000 colors in this world. Let us call these colors Color 1, 2, ..., 10000.\n\nTakahashi has N slimes, and they are standing in a row from left to right. The color of the i-th slime from the left is a_i. If two slimes of the same c...
[{"input": "14\n1 -1 4 2 -1 4 3 3 4 6 0 2 3 4", "output": "1\n"}, {"input": "14\n1 -1 4 2 -1 4 3 3 4 6 1 2 3 4", "output": "1\n"}, {"input": "14\n0 -2 4 2 -1 4 3 2 5 6 1 2 3 4", "output": "0\n"}, {"input": "14\n0 -2 4 2 -1 4 3 4 5 6 1 2 3 4", "output": "0\n"}, {"input": "14\n0 -2 4 2 -1 4 3 4 3 6 1 2 3 4", "output": "0...
code_stdio
[ { "content": "Problem\n\nHere is a list of strings. Let's take a break and play with shiritori. Shiritori is performed according to the following rules.\n\n1. First of all, select one of your favorite strings from the list and exclude that string from the list.\n2. Next, select one character string from the lis...
[{"input": "7\nshf\nslldr\nsea\nshells\nyb\nteh\nsaeshore", "output": "a\nb\ne\nf\nh\nr\n"}, {"input": "7\nshf\nsller\nsae\nshells\nby\nteh\nsfeshora", "output": "a\ne\nf\nh\nr\ny\n"}, {"input": "7\nshg\nsller\nsae\nshells\nby\nteh\nsfeshora", "output": "a\ne\ng\nh\nr\ny\n"}, {"input": "7\nsfg\nsskle\nscb\nsiflls\nax\n...
code_stdio
[ { "content": "For integers b (b \\geq 2) and n (n \\geq 1), let the function f(b,n) be defined as follows:\n - f(b,n) = n, when n < b\n - f(b,n) = f(b,\\,{\\rm floor}(n / b)) + (n \\ {\\rm mod} \\ b), when n \\geq b\nHere, {\\rm floor}(n / b) denotes the largest integer not exceeding n / b,\nand n \\ {\\rm mod}...
[{"input": "100000000000\n100000000000\n", "output": "100000000001\n"}, {"input": "100000000000\n50000000000\n", "output": "50000000001\n"}, {"input": "99999515529\n49999757765\n", "output": "49999757765\n"}, {"input": "99999999977\n49999999989\n", "output": "49999999989\n"}, {"input": "49234683534\n2461734011\n", "out...
code_stdio
[ { "content": "Right now she actually isn't. But she will be, if you don't solve this problem.\n\nYou are given integers n, k, A and B. There is a number x, which is initially equal to n. You are allowed to perform two types of operations: Subtract 1 from x. This operation costs you A coins. Divide x by k. Ca...
[{"input": "1999999999\n1000000000\n1385852\n184569875\n", "output": "1385852183184023\n"}, {"input": "1000999777\n1934999345\n2356346\n34534565\n", "output": "2358701818178496\n"}, {"input": "1000999777\n1934999345\n2356346\n34534565\n", "output": "2358701818178496\n"}, {"input": "1000000000\n1999999999\n789987\n18456...
code_stdio
[ { "content": "Takahashi and Aoki are training for long-distance races in an infinitely long straight course running from west to east.\n\nThey start simultaneously at the same point and moves as follows towards the east:\n\n* Takahashi runs A_1 meters per minute for the first T_1 minutes, then runs at A_2 meter...
[{"input": "30901 15700\n2647944172 11366428589\n5864465524 4464634034", "output": "23\n"}, {"input": "30901 15700\n8541952587 11366428589\n5864465524 4464634034", "output": "0\n"}, {"input": "38696 15700\n2647944172 11366428589\n5864465524 4464634034", "output": "0\n"}, {"input": "12000 15700\n3390000000 3810000000\n5...
code_stdio
[ { "content": "You are given an array $a_1, a_2 \\dots a_n$. Calculate the number of tuples $(i, j, k, l)$ such that: $1 \\le i < j < k < l \\le n$; $a_i = a_k$ and $a_j = a_l$; \n\n\n-----Input-----\n\nThe first line contains a single integer $t$ ($1 \\le t \\le 100$) — the number of test cases.\n\nThe first...
[{"input": "2\n5\n2 2 2 2 2\n6\n1 3 3 1 2 3\n", "output": "5\n2\n"}, {"input": "2\n5\n2 2 2 4 2\n6\n1 3 3 1 2 3\n", "output": "1\n2\n"}, {"input": "2\n5\n2 2 3 4 2\n6\n2 3 3 1 2 3\n", "output": "0\n2\n"}, {"input": "2\n5\n2 2 3 4 2\n6\n2 4 3 1 2 3\n", "output": "0\n1\n"}, {"input": "2\n5\n2 2 2 2 2\n6\n1 5 3 1 2 3\n", ...
code_stdio
[ { "content": "A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands \"T\" (\"turn around\") and \"F\" (\"move 1 unit forward\").\n\nYou are given a list of commands that will be given to the turtle. You have to change...
[{"input": "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF\n50\n", "output": "100\n"}, {"input": "TFFFTTTFFFFTFFTTFTTFTTFFTFFFTTTTTTFTTTTTTFFFFFFFTFFFFTTTFTFFTTTTTTFFFFFTTFTFTFFFTFTTFFTTFFFTTFFFTTTT\n1\n", "output": "17\n"}, {"input": "TFFFTTTFFFFTFFTTFTTFTTFFTFFFTT...
code_stdio
[ { "content": "Sereja and his friends went to a picnic. The guys had n soda bottles just for it. Sereja forgot the bottle opener as usual, so the guys had to come up with another way to open bottles.\n\nSereja knows that the i-th bottle is from brand a_{i}, besides, you can use it to open other bottles of brand ...
[{"input": "50\n507 31\n31 250\n414 763\n169 304\n901 9\n592 610\n763 414\n656 789\n411 422\n360 468\n625 504\n538 201\n549 619\n484 797\n596 282\n42 310\n603 656\n351 623\n292 293\n837 180\n375 658\n21 192\n597 729\n22 512\n349 635\n200 56\n669 647\n485 887\n282 939\n735 808\n54 417\n1000 310\n419 652\n939 617\n901 66...
code_stdio
[ { "content": "It has been decided that a programming contest sponsored by company A will be held, so we will post the notice on a bulletin board.\n\nThe bulletin board is in the form of a grid with N rows and N columns, and the notice will occupy a rectangular region with H rows and W columns.\n\nHow many ways ...
[{"input": "100\n-1\n-10", "output": "11322\n"}, {"input": "100\n-1\n-17", "output": "12036\n"}, {"input": "100\n-1\n-11", "output": "11424\n"}, {"input": "100\n-1\n-1", "output": "10404\n"}, {"input": "100\n-2\n-1", "output": "10506\n"}, {"input": "100\n-11\n1", "output": "11200\n"}, {"input": "100\n-1\n-3", "output":...
code_stdio
[ { "content": "Problem D: Legendary Sword\n\n* This problem contains a lot of two ingredients in the kitchen. Please be careful about heartburn.\n\nThe Demon King, who has finally revived, is about to invade the human world to wrap the world in darkness again.\n\nThe Demon King decided to destroy the legendary s...
[{"input": "10 10\nS . . . . . . . . .\n. . . . . . . . . .\n. . . . 1 . . . . .\n. . . . . . . . . .\n. . . . . . . . . .\n. . . . . . . 3 . .\n. . . . . . . . . .\n. . . . . 4 . . . .\n. . . . . . . . . .\n2 . . . . . . . . G\n10 10\nS . . . . . 3 . . .\n. . 3 . . . . . . .\n. . . . 1 . . . . .\n. . . . . . 4 . . .\n...
code_stdio
[ { "content": "You are organizing a boxing tournament, where $n$ boxers will participate ($n$ is a power of $2$), and your friend is one of them. All boxers have different strength from $1$ to $n$, and boxer $i$ wins in the match against boxer $j$ if and only if $i$ is stronger than $j$.\n\nThe tournament will b...
[{"input": "128\n-1 37 147 12 24 35 86 39 20 27 86 95 51 8 33 32 55 35 8 75 74 79 64 51 66 32 34 45 39 89 19 11 86 31 69 58 40 58 62 11 99 54 31 10 4 70 88 22 94 23 46 20 65 97 61 39 31 65 23 31 95 78 40 25 51 14 12 55 8 63 18 57 91 75 31 26 22 84 29 22 32 64 20 12 49 92 50 4 97 17 26 88 10 56 73 22 92 94 83 100 97 83 ...
code_stdio
[ { "content": "Luba needs your help again! Luba has n TV sets. She knows that i-th TV set will be working from moment of time li till moment ri, inclusive.\n\nLuba wants to switch off one of TV sets in order to free the socket. Let's call some TV set redundant if after switching it off the number of integer mome...
[{"input": "3\n999999995 1260814741\n999999998 1000000000\n999999996 1406197446\n", "output": "2\n"}, {"input": "3\n999999995 1260814741\n999999998 1000000000\n999999996 999999999\n", "output": "2\n"}, {"input": "3\n999999995 999999997\n999999998 1000000000\n999999996 999999999\n", "output": "3\n"}, {"input": "8\n13 17...
code_stdio
[ { "content": "After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets, now the boys have a chance to resolve the problem once a...
[{"input": "15 10 15\n1\n2\n3\n4\n5\n6\n12\n8\n9\n10\n11\n12\n13\n14\n15\n", "output": ".X.X.XXX.XXXXXX"}, {"input": "15 10 15\n1\n2\n5\n6\n5\n6\n7\n12\n9\n10\n11\n12\n13\n14\n15\n", "output": ".X.X.X.X.XXXXXX"}, {"input": "17 10 15\n1\n2\n5\n6\n5\n6\n7\n12\n9\n10\n13\n23\n13\n14\n15\n", "output": ".X.X.X.X.X.X.XX"}, {...
code_stdio
[ { "content": "A large banner with word CODEFORCES was ordered for the 1000-th onsite round of Codeforces^{ω} that takes place on the Miami beach. Unfortunately, the company that made the banner mixed up two orders and delivered somebody else's banner that contains someone else's word. The word on the banner con...
[{"input": "CODEFOGSIUZMZCMWAVQHNYFEKIEZQMAZOVEMDRMOEDBHAXPLBLDYYXCVTOOSJZVSQAKFXTBTZFWAYRZEMDEMVDJTDRXXAQBURCES\n", "output": "YES\n"}, {"input": "CODEFOGSIUZMZCMWAVQHNYFEKIEZQMAZOVEMDRMOEDBHAXPLBLDYYXCVTOOSJZVSQAKFXTBTZFWAYRZEMDEMVDJTDRXXAQBURCES\n", "output": "YES\n"}, {"input": "CODEFOGSIUZMZCMWAVQHNYFEKIEZQMAZOVEM...
code_stdio
[ { "content": "One day, the lord ordered a carpenter to \"build a sturdy and large building where the townspeople could evacuate in the event of a typhoon or earthquake.\" However, large thick pillars are needed to complete the sturdy and large building. There is no such big pillar in the town. So the carpenter ...
[{"input": "6\n4\n1,2,2,2\n1,3,4,3\n1,4,4,2\n2,5,3,2\n3,4,4,2\n3,6,1,2\n4,6,1,1\n5,6,1,2\n2,4,50,30", "output": "-11\n"}, {"input": "6\n8\n1,1,2,2\n3,4,3,0\n1,4,4,2\n2,3,5,2\n3,4,4,2\n3,6,1,2\n4,6,1,1\n5,6,2,2\n2,4,5,030", "output": "-36\n"}, {"input": "6\n8\n1,2,2,2\n1,3,4,3\n1,4,4,2\n2,5,3,2\n3,4,4,2\n3,6,1,2\n1,1,6,...
code_stdio
[ { "content": "There are K nuclear reactor chambers labelled from 0 to K-1. Particles are bombarded onto chamber 0. The particles keep collecting in the chamber 0. However if at any time, there are more than N particles in a chamber, a reaction will cause 1 particle to move to the immediate next chamber(if curre...
[{"input": "1 22 82", "output": "1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"}, {"input": "2 8 47", "output": "2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
code_stdio
[ { "content": "Polycarp analyzes the prices of the new berPhone. At his disposal are the prices for $n$ last days: $a_1, a_2, \\dots, a_n$, where $a_i$ is the price of berPhone on the day $i$.\n\nPolycarp considers the price on the day $i$ to be bad if later (that is, a day with a greater number) berPhone was so...
[{"input": "5\n6\n3 5 4 12 2 5\n1\n1000000\n2\n2 0\n10\n31 41 59 26 82 66 97 127 23 84\n7\n2 2 1 2 3 4 5\n", "output": "4\n0\n1\n8\n2\n"}, {"input": "5\n6\n3 5 4 12 2 5\n1\n1000000\n2\n2 0\n10\n31 41 50 26 82 66 97 127 23 84\n7\n2 2 1 2 3 4 5\n", "output": "4\n0\n1\n8\n2\n"}, {"input": "5\n6\n3 5 4 12 7 5\n1\n1000000\n...
code_stdio
[ { "content": "Write a program which reads two sequences of nodes obtained by the preorder tree walk and the inorder tree walk on a binary tree respectively, and prints a sequence of the nodes obtained by the postorder tree walk on the binary tree.\n\nConstraints\n\n* $1 \\leq n \\leq 40$\n\nInput\n\nIn the firs...
[{"input": "5\n1 2 3 4 5\n1 2 4 3 5", "output": "4 5 3 2 1\n"}, {"input": "5\n1 3 2 4 5\n3 2 4 1 5", "output": "4 2 3 5 1\n"}, {"input": "5\n1 2 3 4 5\n3 4 2 1 5", "output": "4 3 2 5 1\n"}, {"input": "5\n1 2 3 4 5\n3 2 4 1 5", "output": "3 4 2 5 1"}, {"input": "4\n1 2 3 4\n2 1 3 4", "output": "2 4 3 1\n"}, {"input": "4...
code_stdio
[ { "content": "Our good friend Mole is trying to code a big message. He is typing on an unusual keyboard with characters arranged in following way:\n\nqwertyuiop\n\nasdfghjkl;\n\nzxcvbnm,./\n\n\n\nUnfortunately Mole is blind, so sometimes it is problem for him to put his hands accurately. He accidentally moved b...
[{"input": "L\nxgwurenkxkiau,c,vonei.zltazmnkhqtwuogkgvgckvja,z.rhanuy.ybebmzcfwozkwvuuiolaqlgvvvewnbuinrncgjwjdsfw\n", "output": "cheitrmlclosi.v.bpmro/x;ysx,mljwyeiphlhbhvlbks.x/tjsmiu/unrn,xvgepxlebiiop;sw;hbbbremniomtmvhkekfdge\n"}, {"input": "L\nuoz.vmks,wxrb,nwcvdzh.m,hwsios.lvu,ktes,,ythddhm.sh,d,c,cfj.wqam,bowo...
code_stdio
[ { "content": "Zookeeper is playing a game. In this game, Zookeeper must use bombs to bomb a string that consists of letters 'A' and 'B'. He can use bombs to bomb a substring which is either \"AB\" or \"BB\". When he bombs such a substring, the substring gets deleted from the string and the remaining parts of th...
[{"input": "3\nAAA\nBABA\nAABBBABBBB\n", "output": "3\n2\n0\n"}, {"input": "3\nAAA\nAABA\nAABBBABBBB\n", "output": "3\n2\n0\n"}, {"input": "3\nAAB\nBABA\nAABBBABBBB\n", "output": "1\n2\n0\n"}, {"input": "3\nAAB\nBABA\nBBBBABBBAA\n", "output": "1\n2\n2\n"}, {"input": "3\nAAB\nBAAA\nBBBBABBBAA\n", "output": "1\n4\n2\n"},...
code_stdio
[ { "content": "The Little Elephant very much loves sums on intervals.\n\nThis time he has a pair of integers l and r (l ≤ r). The Little Elephant has to find the number of such integers x (l ≤ x ≤ r), that the first digit of integer x equals the last one (in decimal notation). For example, such numbers as 101, 4...
[{"input": "100000000000000000 1000000000000000000\n", "output": "90000000000000000\n"}, {"input": "779547115376367013 980561039207670775\n", "output": "20101392383130376\n"}, {"input": "458985985498001244 985458425544874008\n", "output": "52647244004687276\n"}, {"input": "645762257531682046 885295120956158518\n", "out...
code_stdio
[ { "content": "Once upon a time in the Kingdom of Far Far Away lived Sam the Farmer. Sam had a cow named Dawn and he was deeply attached to her. Sam would spend the whole summer stocking hay to feed Dawn in winter. Sam scythed hay and put it into haystack. As Sam was a bright farmer, he tried to make the process...
[{"input": "1987385827\n", "output": "3123034907 15899086625\n"}, {"input": "1286843196\n", "output": "1286843244 10294745577\n"}, {"input": "1600010311\n", "output": "1936854671 12800082497\n"}, {"input": "1856589245\n", "output": "1007862841 14852713969\n"}, {"input": "1207747990\n", "output": "1328522831 9661983929\...
code_stdio
[ { "content": "Ashish and Vivek play a game on a matrix consisting of $n$ rows and $m$ columns, where they take turns claiming cells. Unclaimed cells are represented by $0$, while claimed cells are represented by $1$. The initial state of the matrix is given. There can be some claimed cells in the initial state....
[{"input": "4\n2 2\n0 0\n0 0\n2 2\n1 0\n0 0\n2 3\n0 0 0\n1 1 0\n3 3\n1 0 0\n0 0 0\n1 0 0\n", "output": "Vivek\nAshish\nAshish\nAshish\n"}, {"input": "4\n2 2\n1 0\n0 0\n2 2\n0 0\n0 1\n2 3\n1 0 1\n1 1 0\n3 3\n1 0 0\n0 0 0\n1 0 0\n", "output": "Ashish\nAshish\nVivek\nAshish\n"}, {"input": "4\n2 2\n0 0\n0 0\n2 2\n1 0\n0 0\...
code_stdio
[ { "content": "There is a farm whose length and width are A yard and B yard, respectively. A farmer, John, made a vertical road and a horizontal road inside the farm from one border to another, as shown below: (The gray part represents the roads.)\n\nWhat is the area of this yard excluding the roads? Find it.\n\...
[{"input": "100 100\n", "output": "9801\n"}, {"input": "91 61\n", "output": "5400\n"}, {"input": "-33 13", "output": "-408\n"}, {"input": "-36 13", "output": "-444\n"}, {"input": "-36 17", "output": "-592\n"}, {"input": "-1 -105", "output": "212\n"}, {"input": "-2 -105", "output": "318\n"}, {"input": "-2 -162", "output...
code_stdio
[ { "content": "Levko loves array a_1, a_2, ... , a_{n}, consisting of integers, very much. That is why Levko is playing with array a, performing all sorts of operations with it. Each operation Levko performs is of one of two types:\n\n Increase all elements from l_{i} to r_{i} by d_{i}. In other words, perform ...
[{"input": "97 29\n2 78 82 356152\n2 14 29 430177\n1 59 84 3680\n1 49 89 -2247\n1 92 96 3701\n2 54 89 377271\n1 62 70 -507\n2 94 97 431563\n1 46 55 -9257\n1 51 83 1627\n1 10 20 6633\n1 17 34 -9263\n2 66 92 383251\n1 12 82 3884\n1 78 96 -5379\n2 13 35 424798\n1 68 91 2939\n2 80 84 214725\n1 61 85 -4390\n1 85 96 3106\n2 ...
code_stdio
[ { "content": "The only difference between easy and hard versions is the constraints.\n\nPolycarp has to write a coursework. The coursework consists of $m$ pages.\n\nPolycarp also has $n$ cups of coffee. The coffee in the $i$-th cup Polycarp has $a_i$ caffeine in it. Polycarp can drink some cups of coffee (each ...
[{"input": "100 10000\n93 99 95 105 94 108 104 104 102 112 106 82 114 104 88 107 105 104 93 96 103 109 105 82 107 95 83 93 120 115 96 104 96 86 87 102 103 108 97 84 108 117 109 107 80 87 102 107 88 97 96 101 101 114 106 103 99 101 105 102 85 94 98 101 115 100 91 92 108 105 94 110 91 89 119 119 93 103 101 84 87 81 105 1...
code_stdio
[ { "content": "You have probably registered on Internet sites many times. And each time you should enter your invented password. Usually the registration form automatically checks the password's crypt resistance. If the user's password isn't complex enough, a message is displayed. Today your task is to implement...
[{"input": "c7jqaudcqmv8o7zvb5x_gp6zcgl6nwr7tz5or!28.tj8s1m2.wxz5a4id03!rq07?662vy.7.p5?vk2f2mc7ag8q3861rgd0rmbr\n", "output": "Too weak\n"}, {"input": "i6a.,8jb,n0kv4.1!7h?p.96pnhhgy6cl7dg7e4o6o384ys3z.t71kkq,,w,oqi4?u,,m5!rzu6wym_4hm,ohjy!.vvksl?pt,,1\n", "output": "Too weak\n"}, {"input": "M10V_MN_1K8YX2LA!89EYV7!5V...
code_stdio
[ { "content": "There is a string S consisting of digits 1, 2, ..., 9.\nLunlun, the Dachshund, will take out three consecutive digits from S, treat them as a single integer X and bring it to her master. (She cannot rearrange the digits.)\nThe master's favorite number is 753. The closer to this number, the better....
[{"input": "1111111111\n", "output": "642\n"}, {"input": "2432423234\n", "output": "321\n"}, {"input": "8889998899\n", "output": "135\n"}, {"input": "1234567876\n", "output": "34\n"}, {"input": "6945248811\n", "output": "58\n"}, {"input": "1110111111", "output": "642\n"}, {"input": "1011001000", "output": "643\n"}, {"i...
code_stdio
[ { "content": "Read problems statements in Mandarin Chinese and Russian. \n\nAlice and Bob, both have to drink water. But they both don't want to go, so they will play a game to decide who will fetch water for both of them. Alice will choose a number randomly between 1 and N (both inclusive) and Bob will choose...
[{"input": "3\n17 13\n3 12\n5 3", "output": "110/221\n1/2\n7/15\n"}, {"input": "3\n17 11\n3 5\n5 3", "output": "93/187\n7/15\n7/15\n"}, {"input": "3\n17 11\n3 6\n5 3", "output": "93/187\n1/2\n7/15\n"}, {"input": "3\n1 2\n11 11\n2 1", "output": "1/2\n60/121\n1/2\n"}, {"input": "3\n17 11\n1 5\n1 3", "output": "93/187\n2/...
code_stdio
[ { "content": "Tokitsukaze is one of the characters in the game \"Kantai Collection\". In this game, every character has a common attribute — health points, shortened to HP.\n\nIn general, different values of HP are grouped into $4$ categories: Category $A$ if HP is in the form of $(4 n + 1)$, that is, when div...
[{"input": "100\n", "output": "1 A\n"}, {"input": "100\n", "output": "1 A\n"}, {"input": "101\n", "output": "0 A\n"}, {"input": "130\n", "output": "1 B\n"}, {"input": "121\n", "output": "0 A\n"}, {"input": "118\n", "output": "1 B\n"}, {"input": "112\n", "output": "1 A\n"}, {"input": "109\n", "output": "0 A\n"}, {"input...
code_stdio
[ { "content": "In the evening, after the contest Ilya was bored, and he really felt like maximizing. He remembered that he had a set of n sticks and an instrument. Each stick is characterized by its length l_{i}.\n\nIlya decided to make a rectangle from the sticks. And due to his whim, he decided to make rectang...
[{"input": "100\n4116 4116 4117 4117 4117 4117 4118 4119 4119 4119 4119 4120 4120 4120 4120 4121 4122 4123 4123 4123 4123 4124 4124 4124 4124 4125 4126 4126 4126 4126 4127 4127 4127 4127 4128 4128 4128 4128 4129 4129 4130 4130 4131 4132 4133 4133 4134 4134 4135 4135 4136 4137 4137 4137 4138 4139 4140 4140 4141 4141 414...
code_stdio
[ { "content": "Berland starts to seize the initiative on the war with Flatland. To drive the enemy from their native land, the berlanders need to know exactly how many more flatland soldiers are left in the enemy's reserve. Fortunately, the scouts captured an enemy in the morning, who had a secret encrypted mess...
[{"input": "63 5\n76826 79919 83599 93821 79919 46132 46132 46132 79919 76826 79919 79919 76826 79919 79919 76826 76826 46132 76826 40347 79919 46132 76826 83599 79919 79919 46132 46132 46132 83599 83599 79919 46132 83599 93821 76826 81314 79919 79919 83599 76826 76826 76826 76826 46132 76826 46132 79919 76826 83599 79...
code_stdio
[ { "content": "You are given two integers $l$ and $r$, where $l < r$. We will add $1$ to $l$ until the result is equal to $r$. Thus, there will be exactly $r-l$ additions performed. For each such addition, let's look at the number of digits that will be changed after it.\n\nFor example:\n\nif $l=909$, then addin...
[{"input": "4\n0 9\n0 10\n10 23\n2 1010000000\n", "output": "9\n11\n14\n1122222220\n"}, {"input": "4\n1 18\n8 10\n10 12\n1 1000000000\n", "output": "18\n3\n2\n1111111110\n"}, {"input": "4\n0 12\n9 10\n6 23\n1 1000000000\n", "output": "13\n2\n19\n1111111110\n"}, {"input": "4\n1 36\n8 10\n10 12\n1 1000000000\n", "output"...
code_stdio
[ { "content": "Little Masha loves arranging her toys into piles on the floor. And she also hates it when somebody touches her toys. One day Masha arranged all her n toys into several piles and then her elder brother Sasha came and gathered all the piles into one. Having seen it, Masha got very upset and started ...
[{"input": "7\n", "output": "877\n{1,2,3,4,5,6,7}\n{1,2,3,4,5,6},{7}\n{1,2,3,4,5},{6},{7}\n{1,2,3,4,5},{6,7}\n{1,2,3,4,5,7},{6}\n{1,2,3,4,7},{5},{6}\n{1,2,3,4},{5,7},{6}\n{1,2,3,4},{5},{6,7}\n{1,2,3,4},{5},{6},{7}\n{1,2,3,4},{5,6},{7}\n{1,2,3,4},{5,6,7}\n{1,2,3,4,7},{5,6}\n{1,2,3,4,6,7},{5}\n{1,2,3,4,6},{5,7}\n{1,2,3,4...
code_stdio
[ { "content": "You are given two integers $n$ and $m$. Find the $\\operatorname{MEX}$ of the sequence $n \\oplus 0, n \\oplus 1, \\ldots, n \\oplus m$. Here, $\\oplus$ is the bitwise XOR operator .\n\n$\\operatorname{MEX}$ of the sequence of non-negative integers is the smallest non-negative integer that doesn't...
[{"input": "5\n14 1\n3 0\n2 0\n110 1252\n528350 1051160\n", "output": "0\n0\n0\n1152\n1048576\n"}, {"input": "5\n22 0\n3 0\n1 1\n100 1218\n137071 1051160\n", "output": "0\n0\n2\n1152\n1048576\n"}, {"input": "5\n28 0\n4 0\n1 2\n110 1590\n978289 1283232\n", "output": "0\n0\n2\n1536\n1048576\n"}, {"input": "5\n28 0\n4 0\n...
code_stdio
[ { "content": "Buses run between the cities A and B, the first one is at 05:00 AM and the last one departs not later than at 11:59 PM. A bus from the city A departs every a minutes and arrives to the city B in a t_{a} minutes, and a bus from the city B departs every b minutes and arrives to the city A in a t_{b}...
[{"input": "60 120\n17 120\n23:00\n", "output": "11\n"}, {"input": "60 120\n17 120\n23:00\n", "output": "11\n"}, {"input": "60 120\n17 175\n23:00\n", "output": "14\n"}, {"input": "111 120\n24 100\n13:00\n", "output": "9\n"}, {"input": "88 120\n17 175\n23:00\n", "output": "14\n"}, {"input": "60 120\n24 100\n13:00\n", "o...
code_stdio
[ { "content": "In a far away kingdom young pages help to set the table for the King. As they are terribly mischievous, one needs to keep an eye on the control whether they have set everything correctly. This time the royal chef Gerasim had the impression that the pages have played a prank again: they had poured ...
[{"input": "98\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\n702\...
code_stdio
[ { "content": "-----Input-----\n\nThe input contains a single integer a (1 ≤ a ≤ 30).\n\n\n-----Output-----\n\nOutput a single integer.\n\n\n-----Example-----\nInput\n3\n\nOutput\n27\n\nWrite Python code to solve this problem. Your program should read the input from stdin and write the output to stdout. Enclose ...
[{"input": "011\n", "output": "274\n"}, {"input": "010\n", "output": "265\n"}, {"input": "10\n", "output": "265\n"}, {"input": "11\n", "output": "274\n"}, {"input": "12\n", "output": "319\n"}, {"input": "13\n", "output": "346\n"}, {"input": "14\n", "output": "355\n"}, {"input": "15\n", "output": "378\n"}, {"input": "16...
code_stdio