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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has recently started working as a programmer in the IT city company that develops computer games. Besides game mechanics implementation to create a game it is necessary to create tool pro...
instruction
0
53,510
23
107,020
No
output
1
53,510
23
107,021
Provide tags and a correct Python 3 solution for this coding contest problem. There are n points marked on the plane. The points are situated in such a way that they form a regular polygon (marked points are its vertices, and they are numbered in counter-clockwise order). You can draw n - 1 segments, each connecting a...
instruction
0
53,603
23
107,206
Tags: dp, graphs Correct Solution: ``` import sys from array import array n = int(input()) edge = [list(map(int, input().split())) for _ in range(n)] mod = 10**9 + 7 dp_f = [array('i', [-1])*n for _ in range(n)] dp_g = [array('i', [-1])*n for _ in range(n)] for i in range(n): dp_f[i][i] = dp_g[i][i] = 1 for i i...
output
1
53,603
23
107,207
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n points marked on the plane. The points are situated in such a way that they form a regular polygon (marked points are its vertices, and they are numbered in counter-clockwise order)....
instruction
0
53,604
23
107,208
No
output
1
53,604
23
107,209
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,767
23
107,534
"Correct Solution: ``` def addbit(i): i += 1 while i <= N: BIT[i] += 1 i += i & (-i) def getsum(i): ret = 0 i += 1 while i != 0: ret += BIT[i] i -= i&(-i) return ret def bit(L): global BIT BIT=[0] * (N+1) re = 0 for l in L: re += getsum(l) ...
output
1
53,767
23
107,535
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,768
23
107,536
"Correct Solution: ``` def addbit(i): i += 1 while i <= N: BIT[i] += 1 i += i & (-i) def getsum(i): ret = 0 i += 1 while i != 0: ret += BIT[i] i -= i&(-i) return ret def bit(L): global BIT BIT=[0] * (N+1) re = 0 for l in L: re += getsum(l) ...
output
1
53,768
23
107,537
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,769
23
107,538
"Correct Solution: ``` def addbit(i): i += 1 while i <= N: BIT[i] += 1 i += i & (-i) def getsum(i): ret = 0 i += 1 while i != 0: ret += BIT[i] i -= i&(-i) return ret def bit(L): global BIT BIT=[0] * (N+1) re = 0 for l in L: re += getsum(l) ...
output
1
53,769
23
107,539
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,770
23
107,540
"Correct Solution: ``` def addbit(i): i += 1 while i <= N: BIT[i] += 1 i += i & (-i) def getsum(i): ret = 0 i += 1 while i != 0: ret += BIT[i] i -= i&(-i) return ret def bit(L): global BIT BIT=[0] * (N+1) re = 0 for l in L: re += getsum(l) ...
output
1
53,770
23
107,541
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,771
23
107,542
"Correct Solution: ``` class Bit: # 参考1: http://hos.ac/slides/20140319_bit.pdf # 参考2: https://atcoder.jp/contests/arc046/submissions/6264201 # 検証: https://atcoder.jp/contests/arc046/submissions/7435621 # values の 0 番目は使わない # len(values) を 2 冪 +1 にすることで二分探索の条件を減らす def __init__(self, a): i...
output
1
53,771
23
107,543
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,772
23
107,544
"Correct Solution: ``` def addbit(i): i += 1 while i <= N: BIT[i] += 1 i += i & (-i) def getsum(i): ret = 0 i += 1 while i != 0: ret += BIT[i] i -= i&(-i) return ret def bit(L): global BIT BIT=[0] * (N+1) re = 0 for l in L: re += getsum(l) ...
output
1
53,772
23
107,545
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,773
23
107,546
"Correct Solution: ``` import sys readline = sys.stdin.readline class BIT: #1-indexed def __init__(self, n): self.size = n self.tree = [0] * (n + 1) self.p = 2**(n.bit_length() - 1) self.dep = n.bit_length() def get(self, i): s = 0 while i > 0: s ...
output
1
53,773
23
107,547
Provide a correct Python 3 solution for this coding contest problem. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one point. For each pair 1 \leq i < j \leq N, there is a c...
instruction
0
53,774
23
107,548
"Correct Solution: ``` def addbit(i): i += 1 while i <= N: BIT[i] += 1 i += i & (-i) def getsum(i): ret = 0 i += 1 while i != 0: ret += BIT[i] i -= i&(-i) return ret def bit(L): global BIT BIT=[0] * (N+1) re = 0 for l in L: re += getsum(l) ...
output
1
53,774
23
107,549
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,775
23
107,550
Yes
output
1
53,775
23
107,551
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,776
23
107,552
Yes
output
1
53,776
23
107,553
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,777
23
107,554
Yes
output
1
53,777
23
107,555
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,778
23
107,556
Yes
output
1
53,778
23
107,557
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,779
23
107,558
No
output
1
53,779
23
107,559
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,780
23
107,560
No
output
1
53,780
23
107,561
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,781
23
107,562
No
output
1
53,781
23
107,563
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N lines in the xy-plane. The i-th line is represented by A_ix+B_iy=C_i. Any two lines among the N+2 lines, the above N lines plus the x-axis and y-axis, cross each other at exactly one...
instruction
0
53,782
23
107,564
No
output
1
53,782
23
107,565
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,821
23
107,642
"Correct Solution: ``` vector = ((0, -1), (1, 0), (0, 1), (-1, 0)) def make_guruguru(d): lst = [["#"] * (d + 4)] for _ in range(d + 2): lst.append(["#"] + [" "] * (d + 2) + ["#"]) lst.append(["#"] * (d + 4)) x, y = 2, d + 1 lst[y][x] = "#" direct = 0 vx, vy = vector[0] cnt = 1 while True: whi...
output
1
53,821
23
107,643
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,822
23
107,644
"Correct Solution: ``` # -*- coding: utf-8 -*- """ http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0141 """ import sys from sys import stdin input = stdin.readline from itertools import cycle def guruguru(n): dirs = cycle([(0, -1), (1, 0), (0, 1), (-1, 0)]) # x, y???????????? (?????????????????????????...
output
1
53,822
23
107,645
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,823
23
107,646
"Correct Solution: ``` # -*- coding: utf-8 -*- """ http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0141 """ import sys from sys import stdin input = stdin.readline from itertools import cycle def guruguru(n): dirs = cycle([(0, -1), (1, 0), (0, 1), (-1, 0)]) # x, y???????????? (?????????????????????????...
output
1
53,823
23
107,647
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,824
23
107,648
"Correct Solution: ``` def p(t): for r in t: for c in r: print(c,end="") print("") a = int(input()) for j in range(a): n = int(input()) t = [ [ " " for _ in range(n) ] for _ in range(n)] d = 1 # 0:up, 1:right, 2:down, 3:left for i in range(n): t[i][0] = ...
output
1
53,824
23
107,649
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,825
23
107,650
"Correct Solution: ``` # -*- coding: utf-8 -*- """ http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0141 """ import sys from sys import stdin input = stdin.readline M = [] def guruguru(n): global M dirs = [(0, -1), (1, 0), (0, 1), (-1, 0)] # x, y???????????? (???????????????????????????) M = [[...
output
1
53,825
23
107,651
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,826
23
107,652
"Correct Solution: ``` # -*- coding: utf-8 -*- """ http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0141 """ import sys from sys import stdin input = stdin.readline from itertools import cycle def guruguru(n): line = 0 dirs = cycle([(0, -1), (1, 0), (0, 1), (-1, 0)]) M = [[' '] * n for _ in rang...
output
1
53,826
23
107,653
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,827
23
107,654
"Correct Solution: ``` class Vector: def __init__(self, x, y): self.x = x self.y = y def move(self, offset): self.x += offset[0] self.y += offset[1] def move_offset(self, offset, multiple=1): x = self.x + offset[0] * multiple y = self.y + offset[1] * multip...
output
1
53,827
23
107,655
Provide a correct Python 3 solution for this coding contest problem. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string with n rows and n columns. * A spiral pattern that rotates ...
instruction
0
53,828
23
107,656
"Correct Solution: ``` dd = ((-1, 0), (0, -1), (1, 0), (0, 1)) d = int(input()) for i in range(d): if i: print() N = int(input()) MP = [[" "]*N for i in range(N)] for i in range(N): MP[i][0] = "#" def walk(x, y, d, n): dx, dy = dd[d % 4] for k in range(n): ...
output
1
53,828
23
107,657
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string wit...
instruction
0
53,829
23
107,658
Yes
output
1
53,829
23
107,659
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string wit...
instruction
0
53,830
23
107,660
Yes
output
1
53,830
23
107,661
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string wit...
instruction
0
53,831
23
107,662
Yes
output
1
53,831
23
107,663
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string wit...
instruction
0
53,832
23
107,664
No
output
1
53,832
23
107,665
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string wit...
instruction
0
53,833
23
107,666
No
output
1
53,833
23
107,667
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string wit...
instruction
0
53,834
23
107,668
No
output
1
53,834
23
107,669
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I decided to create a program that displays a "round and round pattern". The "round and round pattern" is as follows. * If the length of one side is n, it is displayed as a character string wit...
instruction
0
53,835
23
107,670
No
output
1
53,835
23
107,671
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which calculates the distance between two points P1(x1, y1) and P2(x2, y2). Input Four real numbers x1, y1, x2 and y2 are given in a line. Output Print the distance in real...
instruction
0
53,920
23
107,840
Yes
output
1
53,920
23
107,841
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which calculates the distance between two points P1(x1, y1) and P2(x2, y2). Input Four real numbers x1, y1, x2 and y2 are given in a line. Output Print the distance in real...
instruction
0
53,921
23
107,842
Yes
output
1
53,921
23
107,843
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which calculates the distance between two points P1(x1, y1) and P2(x2, y2). Input Four real numbers x1, y1, x2 and y2 are given in a line. Output Print the distance in real...
instruction
0
53,923
23
107,846
Yes
output
1
53,923
23
107,847
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which calculates the distance between two points P1(x1, y1) and P2(x2, y2). Input Four real numbers x1, y1, x2 and y2 are given in a line. Output Print the distance in real...
instruction
0
53,924
23
107,848
No
output
1
53,924
23
107,849
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,510
23
109,020
Yes
output
1
54,510
23
109,021
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,511
23
109,022
Yes
output
1
54,511
23
109,023
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,512
23
109,024
Yes
output
1
54,512
23
109,025
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,513
23
109,026
Yes
output
1
54,513
23
109,027
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,514
23
109,028
No
output
1
54,514
23
109,029
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,515
23
109,030
No
output
1
54,515
23
109,031
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,516
23
109,032
No
output
1
54,516
23
109,033
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you could know there are no male planes nor female planes. However, each plane on Earth likes some other plane. There are n planes on Earth, numbered from 1 to n, and the plane with number i ...
instruction
0
54,517
23
109,034
No
output
1
54,517
23
109,035
Provide a correct Python 3 solution for this coding contest problem. F --Land inheritance Problem Statement One $ N $ brother was discussing the inheritance of his parents. The vast heritage left by their parents included vast lands. The land has a rectangular shape extending $ H $ km from north to south and $ W $ k...
instruction
0
54,745
23
109,490
"Correct Solution: ``` import sys readline = sys.stdin.readline write = sys.stdout.write def rotate(H, W, R0): R1 = [[0]*H for i in range(W)] for i in range(H): for j in range(W): R1[W-1-j][i] = R0[i][j] return R1 def make(H, W, R0): R1 = [[0]*(W+1) for i in range(H+1)] for i in ...
output
1
54,745
23
109,491
Provide a correct Python 3 solution for this coding contest problem. Areas on the Cross-Section Diagram Your task is to simulate a flood damage. For a given cross-section diagram, reports areas of flooded sections. <image> Assume that rain is falling endlessly in the region and the water overflowing from the reg...
instruction
0
54,756
23
109,512
"Correct Solution: ``` from collections import deque def marge_ponds(lx, area_of_pond): global ponds if ponds and ponds[-1][0] > lx: return marge_ponds(lx, area_of_pond + ponds.pop()[1]) return area_of_pond terrains = input().strip() x, last_x, ponds = 0, deque(), deque() for terrain in terrain...
output
1
54,756
23
109,513
Provide a correct Python 3 solution for this coding contest problem. Areas on the Cross-Section Diagram Your task is to simulate a flood damage. For a given cross-section diagram, reports areas of flooded sections. <image> Assume that rain is falling endlessly in the region and the water overflowing from the reg...
instruction
0
54,757
23
109,514
"Correct Solution: ``` n = input() s1 = [] s2 = [] for i in range(len(n)): if n[i] == '\\': s1.append(i) elif n[i] == '/' and len(s1) > 0: a = s1.pop(-1) s2.append([a, i - a]) i = 0 while len(s2) > 1: if i == len(s2) - 1: break elif s2[i][0] > s2[i + 1][0]: s2[...
output
1
54,757
23
109,515
Provide a correct Python 3 solution for this coding contest problem. Areas on the Cross-Section Diagram Your task is to simulate a flood damage. For a given cross-section diagram, reports areas of flooded sections. <image> Assume that rain is falling endlessly in the region and the water overflowing from the reg...
instruction
0
54,758
23
109,516
"Correct Solution: ``` from collections import deque s = input() d = deque() l = deque() def calc_area(j, i): return i - j for i, c in enumerate(s): if c == "\\": d.append(i) if c == "/": if len(d) == 0: continue j = d.pop() s = calc_area(j, i) whi...
output
1
54,758
23
109,517