message stringlengths 2 39.6k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 219 108k | cluster float64 11 11 | __index_level_0__ int64 438 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bob got a job as a system administrator in X corporation. His first task was to connect n servers with the help of m two-way direct connection so that it becomes possible to transmit data from o... | instruction | 0 | 11,923 | 11 | 23,846 |
Yes | output | 1 | 11,923 | 11 | 23,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Duff has been practicing weight lifting. As a hard practice, Malek gave her a task. He gave her a sequence of weights. Weight of i-th of them is 2wi pounds. In each step, Duff can lift... | instruction | 0 | 12,065 | 11 | 24,130 |
Yes | output | 1 | 12,065 | 11 | 24,131 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Duff has been practicing weight lifting. As a hard practice, Malek gave her a task. He gave her a sequence of weights. Weight of i-th of them is 2wi pounds. In each step, Duff can lift... | instruction | 0 | 12,067 | 11 | 24,134 |
Yes | output | 1 | 12,067 | 11 | 24,135 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Duff has been practicing weight lifting. As a hard practice, Malek gave her a task. He gave her a sequence of weights. Weight of i-th of them is 2wi pounds. In each step, Duff can lift... | instruction | 0 | 12,068 | 11 | 24,136 |
No | output | 1 | 12,068 | 11 | 24,137 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Duff has been practicing weight lifting. As a hard practice, Malek gave her a task. He gave her a sequence of weights. Weight of i-th of them is 2wi pounds. In each step, Duff can lift... | instruction | 0 | 12,071 | 11 | 24,142 |
No | output | 1 | 12,071 | 11 | 24,143 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which solve a simultaneous equation:
ax + by = c
dx + ey = f
The program should print x and y for given a, b, c, d, e and f (-1,000 ≤ a, b, c, d, e, f ≤ 1,000). You can suppose... | instruction | 0 | 12,398 | 11 | 24,796 |
Yes | output | 1 | 12,398 | 11 | 24,797 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which solve a simultaneous equation:
ax + by = c
dx + ey = f
The program should print x and y for given a, b, c, d, e and f (-1,000 ≤ a, b, c, d, e, f ≤ 1,000). You can suppose... | instruction | 0 | 12,399 | 11 | 24,798 |
Yes | output | 1 | 12,399 | 11 | 24,799 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which solve a simultaneous equation:
ax + by = c
dx + ey = f
The program should print x and y for given a, b, c, d, e and f (-1,000 ≤ a, b, c, d, e, f ≤ 1,000). You can suppose... | instruction | 0 | 12,401 | 11 | 24,802 |
Yes | output | 1 | 12,401 | 11 | 24,803 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which solve a simultaneous equation:
ax + by = c
dx + ey = f
The program should print x and y for given a, b, c, d, e and f (-1,000 ≤ a, b, c, d, e, f ≤ 1,000). You can suppose... | instruction | 0 | 12,402 | 11 | 24,804 |
No | output | 1 | 12,402 | 11 | 24,805 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which solve a simultaneous equation:
ax + by = c
dx + ey = f
The program should print x and y for given a, b, c, d, e and f (-1,000 ≤ a, b, c, d, e, f ≤ 1,000). You can suppose... | instruction | 0 | 12,403 | 11 | 24,806 |
No | output | 1 | 12,403 | 11 | 24,807 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which solve a simultaneous equation:
ax + by = c
dx + ey = f
The program should print x and y for given a, b, c, d, e and f (-1,000 ≤ a, b, c, d, e, f ≤ 1,000). You can suppose... | instruction | 0 | 12,404 | 11 | 24,808 |
No | output | 1 | 12,404 | 11 | 24,809 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which solve a simultaneous equation:
ax + by = c
dx + ey = f
The program should print x and y for given a, b, c, d, e and f (-1,000 ≤ a, b, c, d, e, f ≤ 1,000). You can suppose... | instruction | 0 | 12,405 | 11 | 24,810 |
No | output | 1 | 12,405 | 11 | 24,811 |
Provide a correct Python 3 solution for this coding contest problem.
Example
Input
3
NNN
NNN
NNN
Output
Taro | instruction | 0 | 12,442 | 11 | 24,884 |
"Correct Solution:
```
from collections import deque
import sys
sys.setrecursionlimit(10**6)
readline = sys.stdin.readline
write = sys.stdout.write
def solve():
N = int(readline())
G = [[] for i in range(N)]
for i in range(N):
*vs, = readline()
for j in range(N):
if vs[j] == "Y":... | output | 1 | 12,442 | 11 | 24,885 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,569 | 11 | 25,138 |
Tags: implementation, math
Correct Solution:
```
n=int(input())
c,l=0,[]
for i in range(n):
l.append(int(input()))
for i in l:
if i%2!=0:
c+=1
cnt,p=int(c/2),0
for i in l:
if i%2==0:
print(int(i/2))
elif i%2!=0 and p<cnt and i<0:
print(int(i/2))
p+=1
elif i%2!=0 and p<cnt and i>0:
print(int(i/2)+1)
p+... | output | 1 | 12,569 | 11 | 25,139 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,570 | 11 | 25,140 |
Tags: implementation, math
Correct Solution:
```
n=int(input())
st=1
for i in range(n):
a=int(input())
if a%2==0:
print(a//2)
continue
if a==0:
print(0)
if a<0:
if st==1:
print(a//2)
st=0
else:
print(a//2+1)
st=1
... | output | 1 | 12,570 | 11 | 25,141 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,571 | 11 | 25,142 |
Tags: implementation, math
Correct Solution:
```
n=int(input())
l=[]
no=0
po=0
for i in range(n):
x=int(input())
if(x<0 and x%2==1):
no+=1
elif(x>0 and x%2==1):
po+=1
l.append(x)
ans=[]
no//=2
po//=2
for i in l:
x=i
if(x%2==1):
if(x<0 and no>0):
# print("....",x)
x-=1
no-=1
elif(x>0 and po>0... | output | 1 | 12,571 | 11 | 25,143 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,572 | 11 | 25,144 |
Tags: implementation, math
Correct Solution:
```
n=int(input())
l1=[]
odd=0
for i in range (n):
l1.append(int(input()))
l=[]
sum1=0
for i in range (n):
if(l1[i]%2==0):
sum1+=int(l1[i]/2)
l.append(int(l1[i]/2))
elif(l1[i]%2!=0 and odd==0):
l.append(int(l1[i]/2))
sum1+=int(l1[i... | output | 1 | 12,572 | 11 | 25,145 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,573 | 11 | 25,146 |
Tags: implementation, math
Correct Solution:
```
n=int(input())
mod=1
for _ in range(n):
a=int(input())
if(a%2)==0:
print(a//2)
else:
print(a//2 + mod)
mod=1-mod
``` | output | 1 | 12,573 | 11 | 25,147 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,574 | 11 | 25,148 |
Tags: implementation, math
Correct Solution:
```
l=[]
for i in range(int(input())):
l.append(int(input()))
ans=[]
f=1
for i in l:
if i%2==0:
ans.append(i//2)
else:
ans.append((i+f)//2)
f*=-1
for i in ans:
print(i)
``` | output | 1 | 12,574 | 11 | 25,149 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,575 | 11 | 25,150 |
Tags: implementation, math
Correct Solution:
```
from collections import Counter
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in fil... | output | 1 | 12,575 | 11 | 25,151 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly balanced — their sum is equal to 0.
Unfortunate... | instruction | 0 | 12,576 | 11 | 25,152 |
Tags: implementation, math
Correct Solution:
```
sum=0
for i in range(int(input())):
x=int(input())
y=x//2
if y==x/2:
print(y)
else:
if sum==0:
sum=x-y*2
print(y)
else:
y=y+sum
sum=0
print(y)
``` | output | 1 | 12,576 | 11 | 25,153 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,577 | 11 | 25,154 |
Yes | output | 1 | 12,577 | 11 | 25,155 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,578 | 11 | 25,156 |
Yes | output | 1 | 12,578 | 11 | 25,157 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,579 | 11 | 25,158 |
Yes | output | 1 | 12,579 | 11 | 25,159 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,580 | 11 | 25,160 |
Yes | output | 1 | 12,580 | 11 | 25,161 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,581 | 11 | 25,162 |
No | output | 1 | 12,581 | 11 | 25,163 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,582 | 11 | 25,164 |
No | output | 1 | 12,582 | 11 | 25,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,583 | 11 | 25,166 |
No | output | 1 | 12,583 | 11 | 25,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Another Codeforces Round has just finished! It has gathered n participants, and according to the results, the expected rating change of participant i is a_i. These rating changes are perfectly b... | instruction | 0 | 12,584 | 11 | 25,168 |
No | output | 1 | 12,584 | 11 | 25,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,610 | 11 | 25,220 |
Yes | output | 1 | 12,610 | 11 | 25,221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,611 | 11 | 25,222 |
Yes | output | 1 | 12,611 | 11 | 25,223 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,612 | 11 | 25,224 |
Yes | output | 1 | 12,612 | 11 | 25,225 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,613 | 11 | 25,226 |
Yes | output | 1 | 12,613 | 11 | 25,227 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,614 | 11 | 25,228 |
No | output | 1 | 12,614 | 11 | 25,229 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,615 | 11 | 25,230 |
No | output | 1 | 12,615 | 11 | 25,231 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,616 | 11 | 25,232 |
No | output | 1 | 12,616 | 11 | 25,233 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Johnny has just found the new, great tutorial: "How to become a grandmaster?". The tutorial tells many strange and unexpected for Johnny things, such as you have to be patient or that very impor... | instruction | 0 | 12,617 | 11 | 25,234 |
No | output | 1 | 12,617 | 11 | 25,235 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This is an interactive problem. You have to use a flush operation right after printing each line. For example, in C++ you should use the function fflush(stdout), in Java — System.out.flush(), in... | instruction | 0 | 12,650 | 11 | 25,300 |
No | output | 1 | 12,650 | 11 | 25,301 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This is an interactive problem. You have to use a flush operation right after printing each line. For example, in C++ you should use the function fflush(stdout), in Java — System.out.flush(), in... | instruction | 0 | 12,651 | 11 | 25,302 |
No | output | 1 | 12,651 | 11 | 25,303 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This is an interactive problem. You have to use a flush operation right after printing each line. For example, in C++ you should use the function fflush(stdout), in Java — System.out.flush(), in... | instruction | 0 | 12,652 | 11 | 25,304 |
No | output | 1 | 12,652 | 11 | 25,305 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
This is an interactive problem. You have to use a flush operation right after printing each line. For example, in C++ you should use the function fflush(stdout), in Java — System.out.flush(), in... | instruction | 0 | 12,653 | 11 | 25,306 |
No | output | 1 | 12,653 | 11 | 25,307 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers. Count the number of pairs of indices (i, j) such that i < j and a_j - a_i = j - i.
Input
The first line contains one integer t (1 ≤ t ≤ 10^4). Then t te... | instruction | 0 | 12,706 | 11 | 25,412 |
Yes | output | 1 | 12,706 | 11 | 25,413 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers. Count the number of pairs of indices (i, j) such that i < j and a_j - a_i = j - i.
Input
The first line contains one integer t (1 ≤ t ≤ 10^4). Then t te... | instruction | 0 | 12,707 | 11 | 25,414 |
Yes | output | 1 | 12,707 | 11 | 25,415 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers. Count the number of pairs of indices (i, j) such that i < j and a_j - a_i = j - i.
Input
The first line contains one integer t (1 ≤ t ≤ 10^4). Then t te... | instruction | 0 | 12,710 | 11 | 25,420 |
No | output | 1 | 12,710 | 11 | 25,421 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers. Count the number of pairs of indices (i, j) such that i < j and a_j - a_i = j - i.
Input
The first line contains one integer t (1 ≤ t ≤ 10^4). Then t te... | instruction | 0 | 12,711 | 11 | 25,422 |
No | output | 1 | 12,711 | 11 | 25,423 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers. Count the number of pairs of indices (i, j) such that i < j and a_j - a_i = j - i.
Input
The first line contains one integer t (1 ≤ t ≤ 10^4). Then t te... | instruction | 0 | 12,713 | 11 | 25,426 |
No | output | 1 | 12,713 | 11 | 25,427 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any number of times. But each new handle must not be equal to any ha... | instruction | 0 | 12,867 | 11 | 25,734 |
Yes | output | 1 | 12,867 | 11 | 25,735 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any number of times. But each new handle must not be equal to any ha... | instruction | 0 | 12,868 | 11 | 25,736 |
Yes | output | 1 | 12,868 | 11 | 25,737 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any number of times. But each new handle must not be equal to any ha... | instruction | 0 | 12,869 | 11 | 25,738 |
Yes | output | 1 | 12,869 | 11 | 25,739 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Misha hacked the Codeforces site. Then he decided to let all the users change their handles. A user can now change his handle any number of times. But each new handle must not be equal to any ha... | instruction | 0 | 12,870 | 11 | 25,740 |
Yes | output | 1 | 12,870 | 11 | 25,741 |
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