message stringlengths 2 28.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 21 109k | cluster float64 7 7 | __index_level_0__ int64 42 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Cockroaches might be of two colors: black and red. There ar... | instruction | 0 | 7,166 | 7 | 14,332 |
Yes | output | 1 | 7,166 | 7 | 14,333 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Cockroaches might be of two colors: black and red. There ar... | instruction | 0 | 7,167 | 7 | 14,334 |
Yes | output | 1 | 7,167 | 7 | 14,335 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Cockroaches might be of two colors: black and red. There ar... | instruction | 0 | 7,168 | 7 | 14,336 |
Yes | output | 1 | 7,168 | 7 | 14,337 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Cockroaches might be of two colors: black and red. There ar... | instruction | 0 | 7,169 | 7 | 14,338 |
No | output | 1 | 7,169 | 7 | 14,339 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Cockroaches might be of two colors: black and red. There ar... | instruction | 0 | 7,170 | 7 | 14,340 |
No | output | 1 | 7,170 | 7 | 14,341 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Cockroaches might be of two colors: black and red. There ar... | instruction | 0 | 7,171 | 7 | 14,342 |
No | output | 1 | 7,171 | 7 | 14,343 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students. Cockroaches might be of two colors: black and red. There ar... | instruction | 0 | 7,172 | 7 | 14,344 |
No | output | 1 | 7,172 | 7 | 14,345 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,233 | 7 | 14,466 |
Tags: greedy, implementation
Correct Solution:
```
n,m=map(int,input().split())
t=set(input()for _ in [0]*n)
print(['No','Yes'][all(sum(c=='#'for c in s)<2for s in zip(*t))])
``` | output | 1 | 7,233 | 7 | 14,467 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,234 | 7 | 14,468 |
Tags: greedy, implementation
Correct Solution:
```
n,m = map(int, input().split())
r = set()
c = set()
ss=[]
for i in range(n):
s = input()
ss.append(s)
for i in range(n):
s1 = set()
for j in range(m):
if ss[i][j] == '#':
s1.add(j)
for j in range(n):
s2 = set()
... | output | 1 | 7,234 | 7 | 14,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,235 | 7 | 14,470 |
Tags: greedy, implementation
Correct Solution:
```
# python3
def readline(): return tuple(map(int, input().split()))
def main():
n, m = readline()
unique_rows = list()
first_occ = [None] * m
while n:
n -= 1
row = input()
saved = None
for (i, char) in enumerate(row):
... | output | 1 | 7,235 | 7 | 14,471 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,236 | 7 | 14,472 |
Tags: greedy, implementation
Correct Solution:
```
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
class CDisjointSet(object):
def __init__(self):
self.leader = {} # maps a member to the group's leader
self.group = {} # maps a group leader to the group (which is a set)
def Add(self, a, b):
... | output | 1 | 7,236 | 7 | 14,473 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,237 | 7 | 14,474 |
Tags: greedy, implementation
Correct Solution:
```
t=set(input()for _ in [0]*int(input().split()[0]))
print(['No','Yes'][all(sum(c<'.'for c in s)<2for s in zip(*t))])
# Made By Mostafa_Khaled
``` | output | 1 | 7,237 | 7 | 14,475 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,238 | 7 | 14,476 |
Tags: greedy, implementation
Correct Solution:
```
n, m = map(int, input().split())
p = [list(input()) for _ in range(n)]
for i in range(n):
column = []
for j in range(m):
if p[i][j] == '#':
column.append(j)
st1 = ''
for pos, el in enumerate(column):
st = ''
for k in... | output | 1 | 7,238 | 7 | 14,477 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,239 | 7 | 14,478 |
Tags: greedy, implementation
Correct Solution:
```
n,m=map(int, input().split())
a=[]
for i in range(n): a.append(input())
for i in range(n):
for j in range(i+1,n):
eqv, no_inter=True, True
for z in range(m):
if a[i][z]!=a[j][z]: eqv=False
if a[i][z]==a[j][z]=="#": no_inter=... | output | 1 | 7,239 | 7 | 14,479 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos... | instruction | 0 | 7,240 | 7 | 14,480 |
Tags: greedy, implementation
Correct Solution:
```
import sys
n, m = [int(i) for i in input().split(" ")]
grid = []
columns_idx = set()
lines_used = set()
for _ in range(n):
line = input()
grid.append(line)
for line in grid:
if line not in lines_used:
lines_used.add(line)
for i,c in enumera... | output | 1 | 7,240 | 7 | 14,481 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,241 | 7 | 14,482 |
Yes | output | 1 | 7,241 | 7 | 14,483 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,242 | 7 | 14,484 |
Yes | output | 1 | 7,242 | 7 | 14,485 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,243 | 7 | 14,486 |
Yes | output | 1 | 7,243 | 7 | 14,487 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,244 | 7 | 14,488 |
Yes | output | 1 | 7,244 | 7 | 14,489 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,245 | 7 | 14,490 |
No | output | 1 | 7,245 | 7 | 14,491 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,246 | 7 | 14,492 |
No | output | 1 | 7,246 | 7 | 14,493 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,247 | 7 | 14,494 |
No | output | 1 | 7,247 | 7 | 14,495 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a rectangular grid of n rows of m initially-white cells each.
Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R... | instruction | 0 | 7,248 | 7 | 14,496 |
No | output | 1 | 7,248 | 7 | 14,497 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Kuro has recently won the "Most intelligent cat ever" contest. The three friends then decided to go to Katie's home to celebrate Kuro's winning. After a big meal, they took a small break then started playing games.
Kuro challenged Katie to ... | instruction | 0 | 7,265 | 7 | 14,530 |
Tags: dp
Correct Solution:
```
n,p=map(int,input().split())
nums=[0]+list(map(int,input().split()))
mod=10**9+7
f=[[[[0]*2 for _ in range(2)] for _ in range(2)] for _ in range(n+1)]
_2=[0]*(n+1)
_2[0]=1
for i in range(1,n+1):
_2[i]=(_2[i-1]<<1)%mod
f[0][0][0][0]=1
if nums[1]!=0:
f[1][1][0][1]+=1
if nums[... | output | 1 | 7,265 | 7 | 14,531 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,334 | 7 | 14,668 |
"Correct Solution:
```
n = int(input())
s = input()
w = [0]
cnt = 0
for i in range(n):
if s[i] == '#':
cnt += 1
w.append(cnt)
ans = len(s)
for i in range(n+1):
ans = min(ans, w[i]+(n-i-(w[-1]-w[i])))
print(ans)
``` | output | 1 | 7,334 | 7 | 14,669 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,335 | 7 | 14,670 |
"Correct Solution:
```
n = int(input())
s = input()
best_cost = s.count('.')
cost = best_cost
for i in range(n):
if s[i] == '#':
cost += 1
else:
cost -= 1
if cost < best_cost:
best_cost = cost
print(best_cost)
``` | output | 1 | 7,335 | 7 | 14,671 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,336 | 7 | 14,672 |
"Correct Solution:
```
N = int(input())
S = str(input())
x = S.count(".")
ans = x
for i in range(N):
if S[i]=="#":
x += 1
else:
x -= 1
ans = (min(ans,x))
print(ans)
``` | output | 1 | 7,336 | 7 | 14,673 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,337 | 7 | 14,674 |
"Correct Solution:
```
N = int(input())
S = input()
w_N = S.count(".")
ans = w_N
b = 0
w = 0
for i, s in enumerate(S):
if s == "#":
b += 1
if s == ".":
w += 1
ans = min(ans,b + w_N - w)
print(ans)
``` | output | 1 | 7,337 | 7 | 14,675 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,338 | 7 | 14,676 |
"Correct Solution:
```
N = int(input())
S = input()
lb = 0
rw = S.count('.')
ans = rw
for s in S:
if s == '.':
rw -= 1
else:
lb += 1
ans = min(ans, lb + rw)
print(ans)
``` | output | 1 | 7,338 | 7 | 14,677 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,339 | 7 | 14,678 |
"Correct Solution:
```
n = int(input())
s = input()
cost = 0
bc = 0
for it in s:
if it =="#":
bc += 1
elif bc > 0:
cost += 1
bc -= 1
print(cost)
``` | output | 1 | 7,339 | 7 | 14,679 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,340 | 7 | 14,680 |
"Correct Solution:
```
n = int(input())
s = input()
ans = [s.count(".")]
test = s.count(".")
for i in s:
if i == ".":
test -= 1
else:
test += 1
ans.append(test)
print(min(ans))
``` | output | 1 | 7,340 | 7 | 14,681 |
Provide a correct Python 3 solution for this coding contest problem.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.`, and the stone is black if the character is `#`.
Taka... | instruction | 0 | 7,341 | 7 | 14,682 |
"Correct Solution:
```
n=int(input())
s=input()
l=0
r=s.count('.')
m=r
for i in range(n):
if s[i]=='.':
r-=1
else:
l+=1
m=min(m,r+l)
print(m)
``` | output | 1 | 7,341 | 7 | 14,683 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,342 | 7 | 14,684 |
Yes | output | 1 | 7,342 | 7 | 14,685 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,343 | 7 | 14,686 |
Yes | output | 1 | 7,343 | 7 | 14,687 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,344 | 7 | 14,688 |
Yes | output | 1 | 7,344 | 7 | 14,689 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,345 | 7 | 14,690 |
Yes | output | 1 | 7,345 | 7 | 14,691 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,346 | 7 | 14,692 |
No | output | 1 | 7,346 | 7 | 14,693 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,347 | 7 | 14,694 |
No | output | 1 | 7,347 | 7 | 14,695 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,348 | 7 | 14,696 |
No | output | 1 | 7,348 | 7 | 14,697 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N stones arranged in a row. Every stone is painted white or black. A string S represents the color of the stones. The i-th stone from the left is white if the i-th character of S is `.... | instruction | 0 | 7,349 | 7 | 14,698 |
No | output | 1 | 7,349 | 7 | 14,699 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,366 | 7 | 14,732 |
"Correct Solution:
```
h, w = [int(i) for i in input().split()]
s = [list(input()) for _ in range(h)]
flg = True
for i in range(1, h-1):
for j in range(1, w-1):
if s[i][j] == "#" and s[i-1][j]==s[i+1][j]==s[i][j-1]==s[i][j+1]==".":
flg = False
print('Yes' if flg else 'No')
``` | output | 1 | 7,366 | 7 | 14,733 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,367 | 7 | 14,734 |
"Correct Solution:
```
H, W = map(int, input().split())
cam = [input() for i in range(H)]
ans = 'Yes'
for i in range(1, H-1):
for j in range(1, W-1):
if cam[i][j] == "#":
if cam[i-1][j] == cam[i+1][j] == cam[i][j-1] == cam[i][j+1] == ".":
ans = 'No'
break
print(ans)
``` | output | 1 | 7,367 | 7 | 14,735 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,368 | 7 | 14,736 |
"Correct Solution:
```
h, w = map(int, input().split())
s = [list(input()) for i in range(h)]
for i in range(h - 1):
for j in range(w - 1):
if s[i][j] == "#" and s[i - 1][j] != "#" and s[i][j - 1] != "#" and s[i + 1][j] != "#" and s[i][j + 1] != "#":
print("No")
exit()
print("Yes")
`... | output | 1 | 7,368 | 7 | 14,737 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,369 | 7 | 14,738 |
"Correct Solution:
```
#!/usr/bin/env python3
h, w = map(int, input().split())
b = ".";j = [b+b*w+b]
s = j + [b+input()+b for _ in [0]*h] + j
for i in range(1, h+1):
d = [n+1 for n in range(w) if s[i][n:n+3] == ".#."]
if d and any([s[i-1][c] == s[i+1][c] == b for c in d]):
print("No");exit()
print("Yes"... | output | 1 | 7,369 | 7 | 14,739 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,370 | 7 | 14,740 |
"Correct Solution:
```
H,W=map(int,input().split())
Map=[]
for i in range(H):
Map.append(input())
for i in range(H):
for j in range(W):
if Map[i][j]=='#':
if i-1>=0 and i+1<H and j-1>=0 and j+1<W:
if Map[i-1][j]!='#' and Map[i+1][j]!='#' and Map[i][j-1]!='#' and Map[i][j+1]!='#':
print('... | output | 1 | 7,370 | 7 | 14,741 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,371 | 7 | 14,742 |
"Correct Solution:
```
h,w = map(int, input().split())
original = [list(input()) for _ in range(h)]
for i in range(h-1):
for j in range(w-1):
if original[i][j]=='#' and original[i-1][j]!='#' and original[i+1][j]!='#' and original[i][j-1]!='#' and original[i][j+1]!='#':
print('No')
exit()
print(... | output | 1 | 7,371 | 7 | 14,743 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,372 | 7 | 14,744 |
"Correct Solution:
```
h,w=map(int,input().split())
S=[]
for i in range(h):
S.append(input())
ans='Yes'
for i in range(1,h-1):
for j in range(1,w-1):
if S[i][j]=='#' and S[i+1][j]=='.' and S[i-1][j]=='.' and S[i][j+1]=='.' and S[i][j-1]=='.':
ans='No'
print(ans)
``` | output | 1 | 7,372 | 7 | 14,745 |
Provide a correct Python 3 solution for this coding contest problem.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are white. square1001 wants to draw a picture with black pa... | instruction | 0 | 7,373 | 7 | 14,746 |
"Correct Solution:
```
H, W = map(int, input().split())
s_list = [input() for i in range(H)]
flag = True
for i in range(1, H - 1):
for j in range(1, W - 1):
if s_list[i][j] == "#":
if s_list[i-1][j] == "." and s_list[i+1][j] == "." and s_list[i][j-1] == "." and s_list[i][j+1] == ".":
flag = False
break
i... | output | 1 | 7,373 | 7 | 14,747 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are... | instruction | 0 | 7,374 | 7 | 14,748 |
Yes | output | 1 | 7,374 | 7 | 14,749 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a canvas divided into a grid with H rows and W columns. The square at the i-th row from the top and the j-th column from the left is represented as (i, j).
Initially, all the squares are... | instruction | 0 | 7,375 | 7 | 14,750 |
Yes | output | 1 | 7,375 | 7 | 14,751 |
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