message stringlengths 2 65.1k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 0 108k | cluster float64 14 14 | __index_level_0__ int64 0 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub helps his grandfather at the farm. Today he must milk the cows. There are n cows sitting in a row, numbered from 1 to n from left to right. Each cow is either facing to the left or facing to the right. When Iahub milks a cow, all the c... | instruction | 0 | 96,476 | 14 | 192,952 |
Tags: data structures, greedy
Correct Solution:
```
from collections import *
from math import *
n = int(input())
a = list(map(int,input().split()))
ct0,res0 = 0,0
for i in range(n):
if(a[i] == 1): ct0 += 1
else: res0 += ct0
ct1,res1 = 0,0
for i in range(n-1,-1,-1):
if(a[i] == 0): ct1 += 1
else: res1 += ct1
print(... | output | 1 | 96,476 | 14 | 192,953 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub helps his grandfather at the farm. Today he must milk the cows. There are n cows sitting in a row, numbered from 1 to n from left to right. Each cow is either facing to the left or facing to the right. When Iahub milks a cow, all the c... | instruction | 0 | 96,477 | 14 | 192,954 |
Tags: data structures, greedy
Correct Solution:
```
n = int(input())
lis = list(map(int,input().split()))
ans=b=0
for i in range(n-1,-1,-1):
if lis[i]==1:
ans+=b
else:
b+=1
print(ans)
``` | output | 1 | 96,477 | 14 | 192,955 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,526 | 14 | 193,052 |
Tags: dp, sortings
Correct Solution:
```
# -*- coding:utf-8 -*-
"""
created by shuangquan.huang at 1/6/20
"""
import collections
import time
import os
import sys
import bisect
import heapq
from typing import List
def solve(N, W, H, A):
A = [(w, h, i) for i, (w, h) in enumerate(A) if w > W and h > H]
A.so... | output | 1 | 96,526 | 14 | 193,053 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,527 | 14 | 193,054 |
Tags: dp, sortings
Correct Solution:
```
n,w,h=map(int,input().split())
a=[]
for i in range(n):
x,y=map(int,input().split())
if x>w and y>h:
a.append([x,y,i+1])
r=[1]*(len(a))
p=[0]*(n+1)
ans=0
a.sort()
for j in range(len(a)):
for i in range(j):
if a[j][0]>a[i][0] and a[j][1]>a[i][1]:
... | output | 1 | 96,527 | 14 | 193,055 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,528 | 14 | 193,056 |
Tags: dp, sortings
Correct Solution:
```
[n, W, H] = [int(a) for a in input().split(' ')]
arr = []
for i in range(n):
[w, h] = [int(a) for a in input().split(' ')]
arr.append((w, h, i, 0, 0))
arr.sort()
arr.append((10000000,10000000,n, 0, 0))
cnt = 0
for i in range(n + 1):
(w,h,x,a,pre) = arr[i]
a ... | output | 1 | 96,528 | 14 | 193,057 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,529 | 14 | 193,058 |
Tags: dp, sortings
Correct Solution:
```
n,w,h=map(int,input().split())
A=[]
for i in range(n):
wi,hi=map(int,input().split())
if wi > w and hi > h:
A.append((wi,hi,i+1))
A.sort()
n=len(A)
Length=[(10000000,-1)]*(n+1)
Length[0]=(0,-1)
Before=[-1]*5000
def bs(h):
beg,last=0,n
while 1:
mid... | output | 1 | 96,529 | 14 | 193,059 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,530 | 14 | 193,060 |
Tags: dp, sortings
Correct Solution:
```
def contains(a, b):
if a[0] > b[0] and a[1] > b[1]:
return True
return False
n, w, h = map(int, input().split(" "))
postcard = (w, h)
envelopes = []
for _ in range(n):
(w, h) = map(int, input().split(" "))
envelopes += [(w, h)]
# In increasing width a... | output | 1 | 96,530 | 14 | 193,061 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,531 | 14 | 193,062 |
Tags: dp, sortings
Correct Solution:
```
from sys import stdin,stdout
import sys
from bisect import bisect_left,bisect_right
import heapq
# stdin = open("input.txt", "r");
# stdout = open("output.txt", "w");
n,w,h=stdin.readline().strip().split(' ')
n,w,h=int(n),int(w),int(h)
arr=[]
for i in range(n):
wi,hi=stdin.r... | output | 1 | 96,531 | 14 | 193,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,532 | 14 | 193,064 |
Tags: dp, sortings
Correct Solution:
```
n, w, h = map(int, input().split())
arr = []
for i in range(0, n):
x, y = map(int, input().split())
if x > w and y > h:
arr.append((x, y, i))
arr.sort(key=lambda x: (x[0], -x[1]))
# print(arr)
n = len(arr)
dp = [(1, -1) for i in range(0, n)]
# dp[0] = (1, -1)
re... | output | 1 | 96,532 | 14 | 193,065 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,533 | 14 | 193,066 |
Tags: dp, sortings
Correct Solution:
```
def solution(a):
if len(a) <= 1:
return a
# find longest subsequence, don't worry about indexing right now, just get the actual set
dp = [1] * len(a)
back = {}
maxval = 0
for j in range(len(a)):
for i in range(j):
if a[i][0] <... | output | 1 | 96,533 | 14 | 193,067 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Peter decided to wish happy birthday to his friend from Australia and send him a card. To make his present more mysterious, he decided to make a chain. Chain here is such a sequence of envelopes A = {a1, a2, ..., an}, where the width and the... | instruction | 0 | 96,534 | 14 | 193,068 |
Tags: dp, sortings
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_num():
return int(raw_input())
def in_arr():
return map(int,raw_input().split())
def pr_n... | output | 1 | 96,534 | 14 | 193,069 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,615 | 14 | 193,230 |
Tags: implementation
Correct Solution:
```
test= int(input())
# while test> 0:
count= input().split().count("0")
if count==1 and test==1: print("NO")
elif count==0 and test==1 : print("YES")
elif count==1 : print("YES")
else: print("NO")
``` | output | 1 | 96,615 | 14 | 193,231 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,616 | 14 | 193,232 |
Tags: implementation
Correct Solution:
```
if __name__ == "__main__":
n, x = int(input()), [int(i) for i in input().split()]
print('NO' if (n == 1 and x[0] == 0) or (n > 1 and sum(x) != n-1) else 'YES')
``` | output | 1 | 96,616 | 14 | 193,233 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,617 | 14 | 193,234 |
Tags: implementation
Correct Solution:
```
n=int(input())
li=list(map(int,input().split()))
flag=0
if n==1 and li[0]==0:
flag=1
elif n==1 and li[0]==1:
flag=0
else:
k=li.count(1)
if n-k>1 or n-k==0:
flag=1
if flag==1:
print("NO")
else:
print("YES")
``` | output | 1 | 96,617 | 14 | 193,235 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,618 | 14 | 193,236 |
Tags: implementation
Correct Solution:
```
# n = 1
# list_ = [1, 0, 1]
# list_ = [1, 0, 0]
# list_ = [1, 1, 0]
# list_ = [1, 0, 1]
# list_ = [0]
# list_ = [1, 0, 0]
n = int(input())
list_ = [int(x) for x in input().split()]
# n = len(list_)
count = 0
if (n == 1 and list_[0] == 1):
print("YES")
elif (n == 1 and l... | output | 1 | 96,618 | 14 | 193,237 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,619 | 14 | 193,238 |
Tags: implementation
Correct Solution:
```
n=int(input())
l=list(map(int,input().split()))
if l.count(0)==1 and len(l)>1 or len(l)==1 and l[0]==1:
print("YES")
else:
print("NO")
``` | output | 1 | 96,619 | 14 | 193,239 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,620 | 14 | 193,240 |
Tags: implementation
Correct Solution:
```
# Name : Sachdev Hitesh
# College : GLSICA
user=int(input())
s=list(input().split(" "))
c=0
if user==1 and int(s[0])==1:
print("YES")
elif user==1 and int(s[0])==0:
print("NO")
else:
for i in s:
if int(i)==0:
c+=1
if c==1:
print("YES")
else:
print("NO")
``` | output | 1 | 96,620 | 14 | 193,241 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,621 | 14 | 193,242 |
Tags: implementation
Correct Solution:
```
if __name__ == "__main__":
n, x = int(input()), [int(i) for i in input().split()]
if n == 1:
print('YES' if x[0] == 1 else 'NO')
elif sum(x) == n - 1:
print('YES')
else:
print('NO')
``` | output | 1 | 96,621 | 14 | 193,243 |
Provide tags and a correct Python 3 solution for this coding contest problem.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, it should be fastened, so the jacket will not s... | instruction | 0 | 96,622 | 14 | 193,244 |
Tags: implementation
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
if (n == 1):
if (a[0] == 1):
print ("YES")
else:
print ("NO")
exit()
count = 0
result = 1
for i in range(n):
if a[i] == 0:
count += 1
if count == 1:
print("YES")
else:
prin... | output | 1 | 96,622 | 14 | 193,245 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
According to rules of the Berland fashion, a jacket should be fastened by all the buttons except only one, but not necessarily it should be the last one. Also if the jacket has only one button, ... | instruction | 0 | 96,628 | 14 | 193,256 |
No | output | 1 | 96,628 | 14 | 193,257 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,695 | 14 | 193,390 |
Tags: implementation
Correct Solution:
```
for _ in range(int(input())):
n=int(input())
queue=[]
for i in range(n):
l,r=map(int,input().split())
queue.append([l,r])
ans=[]
curr=0
for i in range(n):
if curr<=queue[i][1]:
ans.append(max(queue[i][0],curr))
... | output | 1 | 96,695 | 14 | 193,391 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,696 | 14 | 193,392 |
Tags: implementation
Correct Solution:
```
a=int(input())
x=[]
for i in range(a):
n=int(input())
z=[]
y=[]
for j in range(n):
l,k=map(int,input().split())
y=[l,k]
z.append(y)
x.append(z)
v=[]
for i in range(a):
t=0
b=x[i]
w=[]
for j in b:
... | output | 1 | 96,696 | 14 | 193,393 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,697 | 14 | 193,394 |
Tags: implementation
Correct Solution:
```
t = int(input())
for _ in range(t):
n = int(input())
last = 0
ans = []
for i in range(n):
start, end = map(int,input().split())
if last < end:
last = max(last+1,start)
ans.append(last)
else:
... | output | 1 | 96,697 | 14 | 193,395 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,698 | 14 | 193,396 |
Tags: implementation
Correct Solution:
```
t = int(input())
for i in range(t):
n = int(input())
a, ans = [], []
for j in range(n):
x = list(map(int, input().split()))
a.append(x)
#print(a)
cur_sec = a[0][0]
for p in range(n):
if a[p][0] <= cur_sec <= a[p][1]:
... | output | 1 | 96,698 | 14 | 193,397 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,699 | 14 | 193,398 |
Tags: implementation
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
ar = []
for i in range(n):
x, y = map(int, input().split())
ar.append([x, i, y])
ar.sort()
ans = [0 for i in range(n)]
cur = 1
for i in range(n):
cur = max(cur, ar[i][0])
... | output | 1 | 96,699 | 14 | 193,399 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,700 | 14 | 193,400 |
Tags: implementation
Correct Solution:
```
## ar = list(map(int, input().strip().split(' ')))
t=int(input())
for i in range(t):
n=int(input())
l=[]
c=0
for j in range(n):
li,ri = map(int, input().strip().split(' '))
if j==0:
if li<=ri:
l.append(li)
... | output | 1 | 96,700 | 14 | 193,401 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,701 | 14 | 193,402 |
Tags: implementation
Correct Solution:
```
for repeat in range(int(input())):
studentsnum = int(input())
res = ""
laststudent = 0
for i in range(studentsnum):
inp = input().split(" ", 1)
arrival = int(inp[0])
departure = int(inp[1])
if arrival > laststudent:
l... | output | 1 | 96,701 | 14 | 193,403 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of course, no two people can use the same teapot si... | instruction | 0 | 96,702 | 14 | 193,404 |
Tags: implementation
Correct Solution:
```
n=int(input())
t=0
for x in range(n):
p=int(input())
ol=[]
sl=[]
na=[]
ki=[]
pi=[]
t=0
for y in range(p):
v,c=list(map(int,input().split()))
ol.append(v)
sl.append(c)
for z in range(p):
sam=min(ol)
kp=... | output | 1 | 96,702 | 14 | 193,405 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,703 | 14 | 193,406 |
Yes | output | 1 | 96,703 | 14 | 193,407 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,704 | 14 | 193,408 |
Yes | output | 1 | 96,704 | 14 | 193,409 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,705 | 14 | 193,410 |
Yes | output | 1 | 96,705 | 14 | 193,411 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,706 | 14 | 193,412 |
Yes | output | 1 | 96,706 | 14 | 193,413 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,707 | 14 | 193,414 |
No | output | 1 | 96,707 | 14 | 193,415 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,708 | 14 | 193,416 |
No | output | 1 | 96,708 | 14 | 193,417 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,709 | 14 | 193,418 |
No | output | 1 | 96,709 | 14 | 193,419 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently n students from city S moved to city P to attend a programming camp.
They moved there by train. In the evening, all students in the train decided that they want to drink some tea. Of c... | instruction | 0 | 96,710 | 14 | 193,420 |
No | output | 1 | 96,710 | 14 | 193,421 |
Provide a correct Python 3 solution for this coding contest problem.
JOI has a stove in your room. JOI himself is resistant to the cold, so he doesn't need to put on the stove when he is alone in the room, but he needs to put on the stove when there are visitors.
On this day, there are N guests under JOI. The ith (1 ... | instruction | 0 | 96,897 | 14 | 193,794 |
"Correct Solution:
```
#!/usr/bin/python3
import os
import sys
def main():
N, K = read_ints()
T = [read_int() for _ in range(N)]
print(solve(N, K, T))
def solve(N, K, T):
diffs = [T[i + 1] - T[i] for i in range(N - 1)]
diffs.sort()
t = N
for i in range(N - K):
t += diffs[i] - 1
... | output | 1 | 96,897 | 14 | 193,795 |
Provide a correct Python 3 solution for this coding contest problem.
JOI has a stove in your room. JOI himself is resistant to the cold, so he doesn't need to put on the stove when he is alone in the room, but he needs to put on the stove when there are visitors.
On this day, there are N guests under JOI. The ith (1 ... | instruction | 0 | 96,898 | 14 | 193,796 |
"Correct Solution:
```
from bisect import bisect
N, K, *T = map(int, open(0).read().split())
S = [(T[i+1] - T[i])-1 for i in range(N-1)]
S.sort(reverse=1)
print((T[-1] - T[0] + 1) - sum(S[:K-1]))
``` | output | 1 | 96,898 | 14 | 193,797 |
Provide a correct Python 3 solution for this coding contest problem.
JOI has a stove in your room. JOI himself is resistant to the cold, so he doesn't need to put on the stove when he is alone in the room, but he needs to put on the stove when there are visitors.
On this day, there are N guests under JOI. The ith (1 ... | instruction | 0 | 96,899 | 14 | 193,798 |
"Correct Solution:
```
n, k = map(int, input().split())
diff = []
ti = int(input()) + 1
for _ in range(n - 1):
ti1 = int(input())
diff.append(ti1 - ti)
ti = ti1 + 1
if n <= k:
print(n)
else:
diff.sort()
print(n + sum(diff[:n - k]))
``` | output | 1 | 96,899 | 14 | 193,799 |
Provide a correct Python 3 solution for this coding contest problem.
JOI has a stove in your room. JOI himself is resistant to the cold, so he doesn't need to put on the stove when he is alone in the room, but he needs to put on the stove when there are visitors.
On this day, there are N guests under JOI. The ith (1 ... | instruction | 0 | 96,900 | 14 | 193,800 |
"Correct Solution:
```
n, k = map(int, input().split())
li = [int(input()) for i in range(n)]
diff = []
for j in range(n-1):
diff.append(li[j+1]-li[j]-1)
diff.sort(reverse=True)
print(n+sum(diff[k-1:]))
``` | output | 1 | 96,900 | 14 | 193,801 |
Provide a correct Python 3 solution for this coding contest problem.
JOI has a stove in your room. JOI himself is resistant to the cold, so he doesn't need to put on the stove when he is alone in the room, but he needs to put on the stove when there are visitors.
On this day, there are N guests under JOI. The ith (1 ... | instruction | 0 | 96,901 | 14 | 193,802 |
"Correct Solution:
```
n, k = map(int, input().split())
t = [int(input()) for _ in range(n)]
v = [0 for _ in range(n -1)]
for i in range(n - 1):
v[i] = t[i + 1] - t[i] - 1
v.sort(reverse = True)
print(t[-1] - t[0] + 1 - sum(v[:(k - 1)]))
``` | output | 1 | 96,901 | 14 | 193,803 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
JOI has a stove in your room. JOI himself is resistant to the cold, so he doesn't need to put on the stove when he is alone in the room, but he needs to put on the stove when there are visitors.... | instruction | 0 | 96,902 | 14 | 193,804 |
No | output | 1 | 96,902 | 14 | 193,805 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,085 | 14 | 194,170 |
Tags: dp, greedy
Correct Solution:
```
def main():
n = int(input())
xx = [int(a) for a in input().split()]
counts = [0] * (n+3)
for x in xx:
counts[x] += 1
cmn = counts
cmx = counts.copy()
mn = 0
skip = 0
for c1, c2, c3 in zip(counts, counts[1:], counts[2:]):
if skip ... | output | 1 | 97,085 | 14 | 194,171 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,086 | 14 | 194,172 |
Tags: dp, greedy
Correct Solution:
```
n=int(input())
x=input().split()
for i in range(n):
x[i]=int(x[i])
x.sort()
if(n==1):print(1,1)
else:
ls=[]
visited=[0 for i in range(n+5)]
count=0
for i in range(n):
if(i==0):
count+=1
if(i==n-1):
ls.append([x[i]... | output | 1 | 97,086 | 14 | 194,173 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,087 | 14 | 194,174 |
Tags: dp, greedy
Correct Solution:
```
n = int(input())
a_max, a_min = [0]*(n+10), [0]*(n+10)
for x in (map(int, input().split())):
a_max[x] += 1
a_min[x] += 1
ans_min = 0
for i in range(1, n+2):
if a_max[i] and a_max[i-1] == 0:
a_max[i-1] = 1
a_max[i] -= 1
if a_min[i-1]:
a_min... | output | 1 | 97,087 | 14 | 194,175 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,088 | 14 | 194,176 |
Tags: dp, greedy
Correct Solution:
```
n = int( input() )
arr = list( map(int, input().split()) )
vis = [0] * (n + 2)
frec = [0] * (n + 2)
for x in arr:
frec[x] += 1
arr.sort()
mx = 0
for x in arr:
if vis[x-1]==0:
mx += 1
vis[x-1] = 1
elif vis[x]==0:
mx += 1
vis[x] = 1
... | output | 1 | 97,088 | 14 | 194,177 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,089 | 14 | 194,178 |
Tags: dp, greedy
Correct Solution:
```
import heapq
n, = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
a.sort()
ans = [0, 0]
last0 = None
last1 = None
for x in a:
if last0 == None or x - 1 > last0:
last0 = x + 1
ans[0] += 1
if last1 == None or x - 1 > last1 + 1:
... | output | 1 | 97,089 | 14 | 194,179 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,090 | 14 | 194,180 |
Tags: dp, greedy
Correct Solution:
```
n=int(input())
arr=list(map(int,input().split()))
v=[0]*200005
for i in arr:
v[i]+=1
p1=-1
p2=-1
l=0
h=0
for i in range(1,n+1):
if v[i] and p1<i-1:
l+=1
p1=i+1
if v[i] and p2<i-1:
h+=1
p2=i-1
v[i]-=1
if v[i] and p2<i:
h+=1
p2=i
v[i]-=1
if v[i] and p2<i+1:
h+... | output | 1 | 97,090 | 14 | 194,181 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,091 | 14 | 194,182 |
Tags: dp, greedy
Correct Solution:
```
import string
from collections import defaultdict,Counter
from math import sqrt, log10, log2, log, gcd, ceil, floor,factorial
from bisect import bisect_left, bisect_right
from itertools import permutations,combinations_with_replacement
import sys,io,os;
input=sys.stdin.readline
# ... | output | 1 | 97,091 | 14 | 194,183 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Oh, New Year. The time to gather all your friends and reflect on the heartwarming events of the past year...
n friends live in a city which can be represented as a number line. The i-th friend lives in a house with an integer coordinate x_i... | instruction | 0 | 97,092 | 14 | 194,184 |
Tags: dp, greedy
Correct Solution:
```
n = int(input())
l = list(map(int, input().split()))
l1 = [0] * n
for i in range(n):
l1[i] = l[i]
l.sort()
l1 = list(set(l1))
l1.sort()
ans1 = 0
tem = l1[0]
for i in range(len(l1)):
if l1[i] - tem > 2:
ans1 -= -1
tem = l1[i]
ans1 -= -1
for i in range(n):
... | output | 1 | 97,092 | 14 | 194,185 |
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