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.
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 | 20,982 | 16 | 41,964 |
"Correct Solution:
```
import re
s = input()
ans = 0
s = s.replace("BC", "D")
L = re.split('[BC]', s)
for i in L:
k = len(i)
temp = 0
for j in range(k):
if i[k-1-j] == "D":
temp += 1
else:
ans += temp
print(ans)
``` | output | 1 | 20,982 | 16 | 41,965 |
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 | 20,983 | 16 | 41,966 |
"Correct Solution:
```
S = input().replace("BC","D")
ans = 0
cnt = 0
for s in S :
if s == "A" :
cnt += 1
elif s == "D" :
ans += cnt
else :
cnt = 0
print(ans)
``` | output | 1 | 20,983 | 16 | 41,967 |
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 | 20,984 | 16 | 41,968 |
"Correct Solution:
```
s=input()
s=s.replace('BC','D')
a=0
ans=0
for i in s:
if i=='A':
a+=1
elif i=='D':
ans+=a
else:
a=0
print(ans)
``` | output | 1 | 20,984 | 16 | 41,969 |
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 | 20,985 | 16 | 41,970 |
"Correct Solution:
```
s = input().replace('BC', 'D')
ans = 0
cnt = 0
for c in s:
if c == 'A':
cnt += 1
elif c == 'D':
ans += cnt
else:
cnt = 0
print(ans)
``` | output | 1 | 20,985 | 16 | 41,971 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,986 | 16 | 41,972 |
Yes | output | 1 | 20,986 | 16 | 41,973 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,987 | 16 | 41,974 |
Yes | output | 1 | 20,987 | 16 | 41,975 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,988 | 16 | 41,976 |
Yes | output | 1 | 20,988 | 16 | 41,977 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,989 | 16 | 41,978 |
Yes | output | 1 | 20,989 | 16 | 41,979 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,990 | 16 | 41,980 |
No | output | 1 | 20,990 | 16 | 41,981 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,991 | 16 | 41,982 |
No | output | 1 | 20,991 | 16 | 41,983 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,992 | 16 | 41,984 |
No | output | 1 | 20,992 | 16 | 41,985 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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` an... | instruction | 0 | 20,993 | 16 | 41,986 |
No | output | 1 | 20,993 | 16 | 41,987 |
Provide a correct Python 3 solution for this coding contest problem.
There are infinitely many cards, numbered 1, 2, 3, ... Initially, Cards x_1, x_2, ..., x_N are face up, and the others are face down.
Snuke can perform the following operation repeatedly:
* Select a prime p greater than or equal to 3. Then, select ... | instruction | 0 | 21,884 | 16 | 43,768 |
"Correct Solution:
```
import itertools
from math import sqrt
def chunk(a):
i = 0
res = []
while i < len(a):
res.append(a[i])
while i != len(a) - 1 and a[i + 1] == a[i] + 1:
i += 1
res.append(a[i] + 1)
i += 1
return res
def augment(g, src, dest):
o = [Non... | output | 1 | 21,884 | 16 | 43,769 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are infinitely many cards, numbered 1, 2, 3, ... Initially, Cards x_1, x_2, ..., x_N are face up, and the others are face down.
Snuke can perform the following operation repeatedly:
* Se... | instruction | 0 | 21,885 | 16 | 43,770 |
No | output | 1 | 21,885 | 16 | 43,771 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are infinitely many cards, numbered 1, 2, 3, ... Initially, Cards x_1, x_2, ..., x_N are face up, and the others are face down.
Snuke can perform the following operation repeatedly:
* Se... | instruction | 0 | 21,886 | 16 | 43,772 |
No | output | 1 | 21,886 | 16 | 43,773 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are infinitely many cards, numbered 1, 2, 3, ... Initially, Cards x_1, x_2, ..., x_N are face up, and the others are face down.
Snuke can perform the following operation repeatedly:
* Se... | instruction | 0 | 21,887 | 16 | 43,774 |
No | output | 1 | 21,887 | 16 | 43,775 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are infinitely many cards, numbered 1, 2, 3, ... Initially, Cards x_1, x_2, ..., x_N are face up, and the others are face down.
Snuke can perform the following operation repeatedly:
* Se... | instruction | 0 | 21,888 | 16 | 43,776 |
No | output | 1 | 21,888 | 16 | 43,777 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,889 | 16 | 43,778 |
"Correct Solution:
```
n, m = map(int, input().split())
if 2*n <= m:
print(n+(m-2*n)//4)
else:
print(m//2)
``` | output | 1 | 21,889 | 16 | 43,779 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,890 | 16 | 43,780 |
"Correct Solution:
```
N,M=map(int,input().split())
print((2*min(N,M//2)+M)//4)
``` | output | 1 | 21,890 | 16 | 43,781 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,891 | 16 | 43,782 |
"Correct Solution:
```
N, M = map(int, input().split())
def solve():
ans = min((N*2+M)//4, M//2)
return ans
print(solve())
``` | output | 1 | 21,891 | 16 | 43,783 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,892 | 16 | 43,784 |
"Correct Solution:
```
n, m = map(int, input().split())
c = m - 2*n
if c <= 0:
print(m//2)
else:
print(n + c//4)
``` | output | 1 | 21,892 | 16 | 43,785 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,893 | 16 | 43,786 |
"Correct Solution:
```
n,m = map(int,input().split())
if(2*n >= m):
print(m//2)
else:
m -= 2*n
print(n + (m//4))
``` | output | 1 | 21,893 | 16 | 43,787 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,894 | 16 | 43,788 |
"Correct Solution:
```
n, m = map(int, input().split())
if 2 * n > m:
print(m // 2)
else:
print((m - 2 * n) // 4 + n)
``` | output | 1 | 21,894 | 16 | 43,789 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,895 | 16 | 43,790 |
"Correct Solution:
```
N, M = map(int, input().split())
M = M//2
if N>=M:
print(M)
else:
print((N+M)//2)
``` | output | 1 | 21,895 | 16 | 43,791 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure below:
9b0bd546db9f28b4093d417b8f274124.png
Snuke decid... | instruction | 0 | 21,896 | 16 | 43,792 |
"Correct Solution:
```
s,c=map(int,input().split())
if s >= c//2 : print(c//2)
else: print(s + (c-2*s)//4)
``` | output | 1 | 21,896 | 16 | 43,793 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,897 | 16 | 43,794 |
Yes | output | 1 | 21,897 | 16 | 43,795 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,898 | 16 | 43,796 |
Yes | output | 1 | 21,898 | 16 | 43,797 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,899 | 16 | 43,798 |
Yes | output | 1 | 21,899 | 16 | 43,799 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,900 | 16 | 43,800 |
Yes | output | 1 | 21,900 | 16 | 43,801 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,901 | 16 | 43,802 |
No | output | 1 | 21,901 | 16 | 43,803 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,902 | 16 | 43,804 |
No | output | 1 | 21,902 | 16 | 43,805 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,903 | 16 | 43,806 |
No | output | 1 | 21,903 | 16 | 43,807 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves puzzles.
Today, he is working on a puzzle using `S`- and `c`-shaped pieces. In this puzzle, you can combine two `c`-shaped pieces into one `S`-shaped piece, as shown in the figure b... | instruction | 0 | 21,904 | 16 | 43,808 |
No | output | 1 | 21,904 | 16 | 43,809 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves "paper cutting": he cuts out characters from a newspaper headline and rearranges them to form another string.
He will receive a headline which contains one of the strings S_1,...,S_... | instruction | 0 | 22,727 | 16 | 45,454 |
Yes | output | 1 | 22,727 | 16 | 45,455 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves "paper cutting": he cuts out characters from a newspaper headline and rearranges them to form another string.
He will receive a headline which contains one of the strings S_1,...,S_... | instruction | 0 | 22,729 | 16 | 45,458 |
Yes | output | 1 | 22,729 | 16 | 45,459 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves "paper cutting": he cuts out characters from a newspaper headline and rearranges them to form another string.
He will receive a headline which contains one of the strings S_1,...,S_... | instruction | 0 | 22,731 | 16 | 45,462 |
No | output | 1 | 22,731 | 16 | 45,463 |
Provide a correct Python 3 solution for this coding contest problem.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are distinct.
He made a sequence $b$, but actually, he is no... | instruction | 0 | 22,735 | 16 | 45,470 |
"Correct Solution:
```
n,K=map(int,input().split())
lists=list(map(int,input().split()))
mod=10**9+7
dp=[[["inf" for i in range(256)] for j in range(n+1)] for k in range(n+1)]
#dp[i][j][k]=カードのi番目までからjこまでを取ってxorの値をkにする方法
#dp[i][j]=="inf" (i<jの時)
for i in range(n+1):
dp[i][0][0]=1
for i in range(1,n+1):
num=lis... | output | 1 | 22,735 | 16 | 45,471 |
Provide a correct Python 3 solution for this coding contest problem.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are distinct.
He made a sequence $b$, but actually, he is no... | instruction | 0 | 22,736 | 16 | 45,472 |
"Correct Solution:
```
n,m = (int(i) for i in input().split())
a = [int(i) for i in input().split()]
dp = [[[0]*(n+1) for i in range(256)] for i in range(n+1)]
dp[1][a[0]][1],x,mod,ans = 1,[0,1],10**9+7,0
for i in range(n+1): dp[i][0][0] = 1
for i in range(2,n+1):
for j in range(256):
for k in range(1,i+1): dp[i][j]... | output | 1 | 22,736 | 16 | 45,473 |
Provide a correct Python 3 solution for this coding contest problem.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are distinct.
He made a sequence $b$, but actually, he is no... | instruction | 0 | 22,737 | 16 | 45,474 |
"Correct Solution:
```
N,K = map(int,input().split())
src = list(map(int,input().split()))
MOD = 10**9+7
dp = [[0 for k in range(256)] for i in range(N+1)]
dp[0][0] = 1
for i,a in enumerate(src):
for j in range(i,-1,-1):
for k in range(256):
if dp[j][k] == 0: continue
dp[j+1][k^a] +... | output | 1 | 22,737 | 16 | 45,475 |
Provide a correct Python 3 solution for this coding contest problem.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are distinct.
He made a sequence $b$, but actually, he is no... | instruction | 0 | 22,738 | 16 | 45,476 |
"Correct Solution:
```
n,m = map(int, input().split())
mod = 10**9 + 7
a = list(map(int, input().split()))
dp = [[[0]*256 for _ in range(n+1)]for i in range(n+1)]
dp[0][0][0] = 1
for i in range(n):
x = a[i]
dp[i+1][0] = dp[i][0][:]
for j in range(n):
for k in range(256):
dp[i+1][j+1][k] = (dp[i][j+1][k]... | output | 1 | 22,738 | 16 | 45,477 |
Provide a correct Python 3 solution for this coding contest problem.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are distinct.
He made a sequence $b$, but actually, he is no... | instruction | 0 | 22,739 | 16 | 45,478 |
"Correct Solution:
```
mod=10**9+7
n,x=map(int,input().split())
a=list(map(int,input().split()))
dp=[[[0]*256 for j in range(n+1)] for k in range(2)]
dp[0][0][0]=1
for i in range(n):
for j in range(n+1):
for k in range(256):
dp[(i+1)&1][j][k]=dp[i&1][j][k]
for j in range(n):
for k in range(256):
... | output | 1 | 22,739 | 16 | 45,479 |
Provide a correct Python 3 solution for this coding contest problem.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are distinct.
He made a sequence $b$, but actually, he is no... | instruction | 0 | 22,740 | 16 | 45,480 |
"Correct Solution:
```
n, k = map(int, input().split())
*A, = map(int, input().split())
MOD = 10**9 + 7
C = {a for a in A}
n = len(C)
m = [[0]*256 for i in range(n+1)]
m[0][0] = 1
for c in C:
for i in range(n-1, -1, -1):
s = m[i]; t = m[i+1]
for j in range(256):
t[c^j] += s[j]
ans = 0... | output | 1 | 22,740 | 16 | 45,481 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are ... | instruction | 0 | 22,741 | 16 | 45,482 |
No | output | 1 | 22,741 | 16 | 45,483 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are ... | instruction | 0 | 22,742 | 16 | 45,484 |
No | output | 1 | 22,742 | 16 | 45,485 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are ... | instruction | 0 | 22,743 | 16 | 45,486 |
No | output | 1 | 22,743 | 16 | 45,487 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sample testcase 3 has a mistake, so we erased this case and rejudged all solutions of this problem. (21:01)
Snuke got a sequence $a$ of length $n$ from AtCoder company. All elements in $a$ are ... | instruction | 0 | 22,744 | 16 | 45,488 |
No | output | 1 | 22,744 | 16 | 45,489 |
Provide a correct Python 3 solution for this coding contest problem.
We have a board with a 2 \times N grid. Snuke covered the board with N dominoes without overlaps. Here, a domino can cover a 1 \times 2 or 2 \times 1 square.
Then, Snuke decided to paint these dominoes using three colors: red, cyan and green. Two do... | instruction | 0 | 23,667 | 16 | 47,334 |
"Correct Solution:
```
mod = 10**9 + 7
n = int(input())
s1 = input(); s2 = input()
s = ""
i = 0
while i < n:
if s1[i] == s2[i]:
s += "A"
i += 1
else:
s += "B"
i += 2
answer = 3 if s[0] == "A" else 6
for i in range(len(s) - 1):
if s[i] + s[i + 1] == "AA":
answer *=... | output | 1 | 23,667 | 16 | 47,335 |
Provide a correct Python 3 solution for this coding contest problem.
We have a board with a 2 \times N grid. Snuke covered the board with N dominoes without overlaps. Here, a domino can cover a 1 \times 2 or 2 \times 1 square.
Then, Snuke decided to paint these dominoes using three colors: red, cyan and green. Two do... | instruction | 0 | 23,668 | 16 | 47,336 |
"Correct Solution:
```
# 横か縦か。各時点でn-2 or n-1C2
# str1だけ見ればよい
N = int(input())
txt = input()
pattern = []
j = 0
while j < N:
if j == N-1 or txt[j] != txt[j+1]:
pattern.append(1)
j += 1
else:
pattern.append(2)
j += 2
MOD = 10**9 + 7
ans = 3 if pattern[0] == 1 else 6
for j in range(1,len(pat... | output | 1 | 23,668 | 16 | 47,337 |
Provide a correct Python 3 solution for this coding contest problem.
We have a board with a 2 \times N grid. Snuke covered the board with N dominoes without overlaps. Here, a domino can cover a 1 \times 2 or 2 \times 1 square.
Then, Snuke decided to paint these dominoes using three colors: red, cyan and green. Two do... | instruction | 0 | 23,669 | 16 | 47,338 |
"Correct Solution:
```
MOD = 10**9 + 7
N = input()
S1 = list(input())
S2 = list(input())
res = 1
right_used_color = 0
while len(S1) > 0:
if S1[len(S1)-1] == S2[len(S1)-1]:
res = res * (3 - right_used_color) % MOD
right_used_color = 1
elif right_used_color == 2:
res = res * 3 % MOD
... | output | 1 | 23,669 | 16 | 47,339 |
Provide a correct Python 3 solution for this coding contest problem.
We have a board with a 2 \times N grid. Snuke covered the board with N dominoes without overlaps. Here, a domino can cover a 1 \times 2 or 2 \times 1 square.
Then, Snuke decided to paint these dominoes using three colors: red, cyan and green. Two do... | instruction | 0 | 23,670 | 16 | 47,340 |
"Correct Solution:
```
mod=1000000007
n=int(input())
a=input()
d=[0]
for i in range(1,n):
if a[i-1]==a[i]:
d[-1]+=1
else:
d.append(0)
ans=[3,6][d[0]]
for i in range(1,len(d)):
if d[i-1]==d[i]==1:
t=3
elif d[i-1]==1 and d[i]==0:
t=1
else:
t=2
ans=(ans*t)%m... | output | 1 | 23,670 | 16 | 47,341 |
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