message stringlengths 2 16.2k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 575 109k | cluster float64 16 16 | __index_level_0__ int64 1.15k 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginning and end of s.
Snuke's objective is to turn s into ... | instruction | 0 | 16,663 | 16 | 33,326 |
"Correct Solution:
```
s=input()
cnt=0
while len(s)>1:
if s[0]==s[-1]:
s= s[1:-1]
elif s[0]=="x" and s[-1]!="x":
s = s[1:]
cnt +=1
elif s[-1]=="x" and s[0]!="x":
s = s[:-1]
cnt +=1
else:
cnt=-1
break
print(cnt)
``` | output | 1 | 16,663 | 16 | 33,327 |
Provide a correct Python 3 solution for this coding contest problem.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginning and end of s.
Snuke's objective is to turn s into ... | instruction | 0 | 16,665 | 16 | 33,330 |
"Correct Solution:
```
s=input()
left=0
right=len(s)-1
cnt=0
while right-left>0:
if (s[right]==s[left]):
right-=1
left+=1
elif (s[right]!='x')and(s[left]!='x'):
print(-1)
exit()
elif (s[right]!='x')and(s[left]=='x'):
left+=1
cnt+=1
else:
right-=1
cnt+=1
print(cnt)
``` | output | 1 | 16,665 | 16 | 33,331 |
Provide a correct Python 3 solution for this coding contest problem.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginning and end of s.
Snuke's objective is to turn s into ... | instruction | 0 | 16,666 | 16 | 33,332 |
"Correct Solution:
```
from collections import deque
s = deque(input())
ans = 0
while len(s) >= 2:
if s[0] == s[-1]:
s.popleft()
s.pop()
elif s[0] == "x":
s.append("x")
ans += 1
elif s[-1] == "x":
s.appendleft("x")
ans += 1
else:
ans = -1
... | output | 1 | 16,666 | 16 | 33,333 |
Provide a correct Python 3 solution for this coding contest problem.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginning and end of s.
Snuke's objective is to turn s into ... | instruction | 0 | 16,667 | 16 | 33,334 |
"Correct Solution:
```
S = input()
N = len(S)
l = 0
r = N-1
ans = 0
while l < r:
if S[l] == S[r]:
l += 1
r -= 1
elif S[l] == 'x':
l += 1
ans += 1
elif S[r] == 'x':
r -= 1
ans += 1
else:
print(-1)
exit()
print(ans)
``` | output | 1 | 16,667 | 16 | 33,335 |
Provide a correct Python 3 solution for this coding contest problem.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginning and end of s.
Snuke's objective is to turn s into ... | instruction | 0 | 16,668 | 16 | 33,336 |
"Correct Solution:
```
s = input()
l, r = 0, len(s) - 1
ans = 0
while l < r:
# print(l, r)
if s[l] == s[r]:
l += 1
r -= 1
else:
if s[l] == "x":
l += 1
elif s[r] == "x":
r -= 1
else:
print(-1)
exit()
ans += 1
prin... | output | 1 | 16,668 | 16 | 33,337 |
Provide a correct Python 3 solution for this coding contest problem.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginning and end of s.
Snuke's objective is to turn s into ... | instruction | 0 | 16,670 | 16 | 33,340 |
"Correct Solution:
```
s = input()
ans = 0
l = 0
r = len(s)-1
while l<r:
if s[l]==s[r]:
l += 1
r -= 1
elif s[l]=='x':
ans += 1
l += 1
elif s[r]=='x':
ans += 1
r -= 1
else:
print(-1)
exit()
print(ans)
``` | output | 1 | 16,670 | 16 | 33,341 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginni... | instruction | 0 | 16,672 | 16 | 33,344 |
Yes | output | 1 | 16,672 | 16 | 33,345 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginni... | instruction | 0 | 16,674 | 16 | 33,348 |
Yes | output | 1 | 16,674 | 16 | 33,349 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginni... | instruction | 0 | 16,676 | 16 | 33,352 |
No | output | 1 | 16,676 | 16 | 33,353 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a string s consisting of lowercase English letters. Snuke can perform the following operation repeatedly:
* Insert a letter `x` to any position in s of his choice, including the beginni... | instruction | 0 | 16,678 | 16 | 33,356 |
No | output | 1 | 16,678 | 16 | 33,357 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,588 | 16 | 35,176 |
"Correct Solution:
```
n=int(input())
tmp, ans=0,0
for i in range(n):
a=int(input())
if a==0:
ans+=tmp//2
tmp=0
else:
tmp+=a
print(ans+tmp//2)
``` | output | 1 | 17,588 | 16 | 35,177 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,589 | 16 | 35,178 |
"Correct Solution:
```
N=int(input())
A=[int(input()) for _ in range(N)]
ans=0
idx=[]
for i in range(N):
if A[i]==0:
idx.append(i+1)
n=0
idx.append(N)
for iidx in idx:
ans+=sum(A[n:iidx])//2
n=iidx
print(ans)
``` | output | 1 | 17,589 | 16 | 35,179 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,590 | 16 | 35,180 |
"Correct Solution:
```
from itertools import*
_, *a = map(int, open(0))
print(sum(sum(l)//2 for _, l in groupby(a, key=lambda x:x>0)))
``` | output | 1 | 17,590 | 16 | 35,181 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,591 | 16 | 35,182 |
"Correct Solution:
```
n = int(input())
ans = 0
chk = 0
for i in range(n):
a = int(input())
p = chk+a
ans += p//2
if a > 0:
chk = p%2
else:
chk = 0
print(ans)
``` | output | 1 | 17,591 | 16 | 35,183 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,592 | 16 | 35,184 |
"Correct Solution:
```
N=int(input())
ans=0
co=0
for i in range(N):
a=int(input())
ans+=(a+co)//2
if a==0:
co=0
else:
co=(a+co)%2
print(ans)
``` | output | 1 | 17,592 | 16 | 35,185 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,593 | 16 | 35,186 |
"Correct Solution:
```
N=int(input())
l=[int(input()) for _ in range(N)]
sum1,j=0,0
for i in range(N):
if l[i]==0 or i==N-1:
sum1+=int(sum(l[j:i+1])/2)
j=i
print(sum1)
``` | output | 1 | 17,593 | 16 | 35,187 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,594 | 16 | 35,188 |
"Correct Solution:
```
n=int(input())
count=0
ans=0
for i in range(n):
a=int(input())
if a==0:
ans+=(count//2)
count=0
else:
count+=a
print(ans+count//2)
``` | output | 1 | 17,594 | 16 | 35,189 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of the difference of the integers written on them is at mo... | instruction | 0 | 17,595 | 16 | 35,190 |
"Correct Solution:
```
n = int(input())
a = [int(input()) for i in range(n)]
ans = 0
flag = 0
for i in range(n):
if flag and a[i] >= 1:
ans += 1
a[i] -= 1
flag = a[i] % 2
ans += a[i] // 2
print(ans)
``` | output | 1 | 17,595 | 16 | 35,191 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,596 | 16 | 35,192 |
Yes | output | 1 | 17,596 | 16 | 35,193 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,597 | 16 | 35,194 |
Yes | output | 1 | 17,597 | 16 | 35,195 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,598 | 16 | 35,196 |
Yes | output | 1 | 17,598 | 16 | 35,197 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,599 | 16 | 35,198 |
Yes | output | 1 | 17,599 | 16 | 35,199 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,600 | 16 | 35,200 |
No | output | 1 | 17,600 | 16 | 35,201 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,601 | 16 | 35,202 |
No | output | 1 | 17,601 | 16 | 35,203 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,602 | 16 | 35,204 |
No | output | 1 | 17,602 | 16 | 35,205 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a large collection of cards. Each card has an integer between 1 and N, inclusive, written on it. He has A_i cards with an integer i.
Two cards can form a pair if the absolute value of... | instruction | 0 | 17,603 | 16 | 35,206 |
No | output | 1 | 17,603 | 16 | 35,207 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which manipulates a disjoint set S = {S1, S2, . . . , Sk}.
First of all, the program should read an integer n, then make a disjoint set where each element consists of 0, 1, ... n−1 respectively.
Next, the program should read an inte... | instruction | 0 | 17,668 | 16 | 35,336 |
"Correct Solution:
```
class UnionFind:
def __init__(self, n):
self.n = n
self.root = [-1]*(n+1)
self.rnk = [0]*(n+1)
self.Maxroot = -1
def Find_Root(self, x):
if (self.root[x] < 0):
return x
else:
self.root[x] = self.Find_Root(self.root[x])
return self.root[x]
def Unite(self, x, y):
x = sel... | output | 1 | 17,668 | 16 | 35,337 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has a string s. From this string, Anuke, Bnuke, and Cnuke obtained strings a, b, and c, respectively, as follows:
* Choose a non-empty (contiguous) substring of s (possibly s itself). Then, replace some characters (possibly all or none) in it ... | instruction | 0 | 19,141 | 16 | 38,282 |
"Correct Solution:
```
import sys
import math
from collections import defaultdict
from bisect import bisect_left, bisect_right
sys.setrecursionlimit(10**7)
def input():
return sys.stdin.readline()[:-1]
mod = 10**9 + 7
def I(): return int(input())
def LI(): return list(map(int, input().split()))
def LIR(row,col):... | output | 1 | 19,141 | 16 | 38,283 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a string s. From this string, Anuke, Bnuke, and Cnuke obtained strings a, b, and c, respectively, as follows:
* Choose a non-empty (contiguous) substring of s (possibly s itself). The... | instruction | 0 | 19,152 | 16 | 38,304 |
No | output | 1 | 19,152 | 16 | 38,305 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has a string s. From this string, Anuke, Bnuke, and Cnuke obtained strings a, b, and c, respectively, as follows:
* Choose a non-empty (contiguous) substring of s (possibly s itself). The... | instruction | 0 | 19,153 | 16 | 38,306 |
No | output | 1 | 19,153 | 16 | 38,307 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,170 | 16 | 38,340 |
"Correct Solution:
```
H,W = map(int, input().split())
grid = []
for i in range(H):
grid.append(input())
horiz = [[0]*W for _ in range(H)]
for i in range(H):
cur = 0
for j in range(W):
if grid[i][j] == '#':
for k in range(cur, j):
horiz[i][k] = j-cur
cur = j+1... | output | 1 | 19,170 | 16 | 38,341 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,171 | 16 | 38,342 |
"Correct Solution:
```
h,w=map(int,input().split())
g=[[c=='.'for c in input()] for _ in range(h)]
a=[[-3]*w for _ in range(h)]
for i in range(h):
l=r=0
for j in range(w):
l=-~l*g[i][j]; a[i][j]+=l
r=-~r*g[i][-1-j]; a[i][-1-j]+=r
for i in range(w):
d=u=0
for j in range(h):
d=-~d*g[j][i]; a[j][i]+=d
... | output | 1 | 19,171 | 16 | 38,343 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,172 | 16 | 38,344 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
H,W=map(int,input().split())
S=[[d for d in input()] for i in range(H)]
ans=[[0 for j in range(W)] for i in range(H)]
t=0
for i in range(H):
p=0
for j in range(W):
if S[i][j]==".":
p+=1
else:
p=0
ans[i][j]+=p
for i in range(H):
p=0
for j in ra... | output | 1 | 19,172 | 16 | 38,345 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,173 | 16 | 38,346 |
"Correct Solution:
```
h,w=map(int,input().split())
s=[input()+'#' for i in range(h)]
s.append('#'*(w+1))
h1=[[0]*(w+1) for i in range(h+1)]
w1=[[0]*(w+1) for i in range(h+1)]
for j in range(h):
r=0
for i in range(w+1):
if s[j][i]=='#':
for k in range(i-r,i+1):
h1[j][k]=r
r=0
h1[j][i]=... | output | 1 | 19,173 | 16 | 38,347 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,174 | 16 | 38,348 |
"Correct Solution:
```
h,w=map(int,input().split())
s=[list(input())for _ in range(h)]
score=[[0]*w for _ in range(h)]
ans=0
range_w=range(w)
range_h=range(h)
for i in range_h:
tmp_1=0
tmp_2=0
for j in range_w:
if s[i][j]=="#":
tmp_1=0
else:
tmp_1+=1
score[i][j]+=tmp_1
if s[i][-j-... | output | 1 | 19,174 | 16 | 38,349 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,175 | 16 | 38,350 |
"Correct Solution:
```
# 5858744
H,W = map(int,input().split())
S = [input() for _ in range(H)]
L,R,D,U = [[[0]*W for _ in range(H)] for i in range(4)]
for h in range(H):
for w in range(W):
if S[h][w] == '.':
L[h][w] = L[h][w-1]+1
U[h][w] = U[h-1][w]+1
if S[h][W-1-w] == '.'... | output | 1 | 19,175 | 16 | 38,351 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,176 | 16 | 38,352 |
"Correct Solution:
```
H, W=map(int, input().split())
S=[input() for _ in range(H)]
tate=[[0]*W for _ in range(H)]
yoko=[[0]*W for _ in range(H)]
for i in range(W):
j=0
while j<H:
x=0
while j+x<H and S[j+x][i]=='.':
x+=1
if x==0:
tate[j][i]=0
j+=1
else:
for t in range(x):
... | output | 1 | 19,176 | 16 | 38,353 |
Provide a correct Python 3 solution for this coding contest problem.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place a lamp on it. The lamp placed on the square will emit st... | instruction | 0 | 19,177 | 16 | 38,354 |
"Correct Solution:
```
a=[]
h,w=map(int,input().split())
for i in range(h):
a.append(input()+'#')
a.append('#'*(w+1))
b=[[0]*(w+1) for i in range(h+1)]
c=[[0]*(w+1) for i in range(h+1)]
for i in range(h+1):
t=0
for j in range(w+1):
if a[i][j]=='#':
for k in range(t):
b[i... | output | 1 | 19,177 | 16 | 38,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,178 | 16 | 38,356 |
Yes | output | 1 | 19,178 | 16 | 38,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,179 | 16 | 38,358 |
Yes | output | 1 | 19,179 | 16 | 38,359 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,180 | 16 | 38,360 |
Yes | output | 1 | 19,180 | 16 | 38,361 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,181 | 16 | 38,362 |
Yes | output | 1 | 19,181 | 16 | 38,363 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,182 | 16 | 38,364 |
No | output | 1 | 19,182 | 16 | 38,365 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,183 | 16 | 38,366 |
No | output | 1 | 19,183 | 16 | 38,367 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,184 | 16 | 38,368 |
No | output | 1 | 19,184 | 16 | 38,369 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a grid with H horizontal rows and W vertical columns, and there are obstacles on some of the squares.
Snuke is going to choose one of the squares not occupied by an obstacle and place ... | instruction | 0 | 19,185 | 16 | 38,370 |
No | output | 1 | 19,185 | 16 | 38,371 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of `A`, `B` and `C`.
Snuke wants to perform the following operation on s as many times as possible:
* Choose a contiguous substring of s that reads `ABC` and replace it with `BCA`.
Find the maximum possible nu... | instruction | 0 | 20,978 | 16 | 41,956 |
"Correct Solution:
```
s=input()
s=s.replace("BC","1")
s=s.replace("A","0")
s=s.replace("B","2")
s=s.replace("C","2")
l=[]
cnt1=0
ans=0
for ss in reversed(s):
if ss=="0":
ans+=cnt1
elif ss=="1":
cnt1+=1
else:
cnt1=0
print(ans)
``` | output | 1 | 20,978 | 16 | 41,957 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of `A`, `B` and `C`.
Snuke wants to perform the following operation on s as many times as possible:
* Choose a contiguous substring of s that reads `ABC` and replace it with `BCA`.
Find the maximum possible nu... | instruction | 0 | 20,979 | 16 | 41,958 |
"Correct Solution:
```
S = input()
S = S.replace('BC','D')
ans = a = 0
for c in S:
if c=='A':
a += 1
elif c=='D':
ans += a
else:
a = 0
print(ans)
``` | output | 1 | 20,979 | 16 | 41,959 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of `A`, `B` and `C`.
Snuke wants to perform the following operation on s as many times as possible:
* Choose a contiguous substring of s that reads `ABC` and replace it with `BCA`.
Find the maximum possible nu... | instruction | 0 | 20,980 | 16 | 41,960 |
"Correct Solution:
```
s=input().replace("BC","X").replace("B","Y").replace("C","Y")
ans=0
for t in s.split("Y"):
cnt=t.count("X")
for c in t:
if c=="A":
ans+=cnt
else:
cnt-=1
print(ans)
``` | output | 1 | 20,980 | 16 | 41,961 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of `A`, `B` and `C`.
Snuke wants to perform the following operation on s as many times as possible:
* Choose a contiguous substring of s that reads `ABC` and replace it with `BCA`.
Find the maximum possible nu... | instruction | 0 | 20,981 | 16 | 41,962 |
"Correct Solution:
```
S=input()
N=len(S)
i=0
now=0
ans=0
while i<N:
if S[i]=='A':
now+=1
elif S[i:i+2]=='BC':
ans+=now
i+=1
else:
now=0
i+=1
print(ans)
``` | output | 1 | 20,981 | 16 | 41,963 |
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