input stringlengths 1 8.57k | output stringlengths 2 5.65k |
|---|---|
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a table sized a × b squares, and each square is colored white or black. There ar... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a table sized a × b squares, and each square is colored white or black. There ar... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a table sized a × b squares, and each square is colored white or black. There ar... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time h... | No |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
s=input()
print("no" if len(s) != len(set(s)) else "yes")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
S=input()
L=set(S)
print('yes' if len(S)==len(L) else "no")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
s=list(input())
print('yes' if len(s)==len(list(set(s))) else "no")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
s = input()
t = set(s)
print("yes" if len(s) == len(t) else "no")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
S = input()
print("yes") if len(S) == len(set(list(S))) else print("no")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
l=list(input())
s=set(l)
print("yes" if len(l)==len(s) else "no")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
s = input()
x = set(s)
print('yes' if len(s) == len(x) else 'no')
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the length of S.
* S consists of lowercase English letters.
I... | "Correct Solution:
```
s=list(input())
print('yes' if sorted(s)==sorted(set(s)) else 'no')
``` |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | Yes |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | Yes |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | Yes |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | Yes |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | No |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | No |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | No |
### Instruction:
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 lowercase English letters. Determine whether all the characters in S are different.
Constraints
* 2 ≤ |S| ≤ 26, where |S| denotes the le... | No |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, decided to create a password that meets all of the follow... | "Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time
sys.setrecursionlimit(10**7)
inf = 10**20
mod = 10**9 + 7
def LI(): return list(map(int, input().split()))
def LF(): return list(map(float, input().split()))
def LS(): return input().split()
def I(): return... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, decided to create a password that meets all of the follow... | "Correct Solution:
```
N = int(input())
S = []
for _ in range(N):
s = input()
S.append(s)
class RollingHash:
def __init__(self, s, base=1007, mod=10**9+7):
self.s = s
self.length = length = len(s)
self.base = base
self.mod = mod
self.h = h = [0] * (length + 1)
... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, decided to create a password that meets all of the follow... | "Correct Solution:
```
def make_alphabet(now_alphabet, alphabet):
next_alphabet = []
for n_al in now_alphabet:
for al in alphabet:
next_alphabet.append(n_al+al)
return next_alphabet
a = int(input())
b = []
for a in range(a):
b.append(input())
alphabet = [chr(ch) for ch in range(97,1... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, decided to create a password that meets all of the follow... | "Correct Solution:
```
# coding:utf-8
# AOJ 2808 RUPC 2017 Password
import itertools
INF = float('inf')
MOD = 10 ** 9 + 7
def inpl(): return list(map(int, input().split()))
class RollingHash:
def __init__(self, s, base, mod):
self.s = s
self.length = length = len(s)
self.base = base
... |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, d... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, d... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, d... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
problem
AOR Ika wants to create a strong password that consists only of lowercase letters. AOR Ika-chan, who was given an example of $ N $ of dangerous passwords by a friend, d... | No |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
from collections import deque
def comb(s):
p = deque([('','')])
for i in range(len(s)):
for j in range(2**i):
e = p.pop()
p.appendleft((e[0]+s[i],e[1]))
p.appendleft((e[0],e[1]+s[i]))
return p
n = int(input())
s = input()
sl = s[0:n]
sr ... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
from collections import defaultdict
N = int(input())
S = input()
S1 = S[:N]
S2 = S[::-1][:N]
def get_s(s, i):
s1 = s2 = ''
for j in range(N):
if i>>j & 1:
s1 += s[j]
else:
s2 += s[j]
return (s1, s2)
d1 = defaultdict(int)
d2 = defaultdict(int)
for i in range(2**N):
s... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
from collections import defaultdict
N = int(input())
S = input()
left = S[:N]
right = S[:N-1:-1]
# leftの(blue, red)のパターンを全列挙
br_pattern = defaultdict(int)
for bit in range(1<<N):
blue = ""
red = ""
for isb in range(N):
if bit & (1<<isb):
blue = blue + left[isb]
... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
N=int(input())
S=input()
ans=0
first={}
last={}
def dfs(r,b,num):
if num==N:
if (r,b) not in first:
first[(r,b)]=0
first[(r,b)]+=1
return 0
if len(r)<N:
dfs(r+S[num],b,num+1)
if len(b)<N:
dfs(r,S[num]+b,num+1)
dfs("","",0)
def ... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
from itertools import product, compress
from collections import Counter
N = int(input())
Ss = input()
S1s = Ss[:N]
ptn1s = [''.join(compress(S1s, sels)) for sels in product(range(2), repeat=N)]
cnt1 = Counter([(red, blue) for red, blue in zip(ptn1s, reversed(ptn1s))])
S2s = Ss[N:][::-1]
ptn2s ... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
from itertools import product
from collections import defaultdict
def solve(S):
def helper(s):
n = len(s)
d = defaultdict(int)
for p in product((True,False),repeat=n):
t = [-1]*(n+1)
t[-1] = sum(p)
i = 0
j = n-1
... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
def main():
from collections import defaultdict
N = int(input())
S = str(input())
dic = defaultdict(int)
for i in range(2 ** N):
a = str()
b = str()
for j in range(N):
if (i >> j) & 1:
a += S[j + N]
else:
... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisfy the following condition?
* The string obtained by rea... | "Correct Solution:
```
def run(n, s):
'''
文字列sを半分に分けて、右半分を逆順に並び替える
さらに色の塗分けを逆にすると、左半分と右半分は
同じになる
'''
sl = s[0:n]
sr = s[n:2*n][::-1]
keys1 = [c[0]+'-'+c[1] for c in comb(sl)]
keys2 = [c[0]+'-'+c[1] for c in comb(sr)]
dict = {}
for key1 in keys1:
if key1 in dict:
... |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | Yes |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | Yes |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | Yes |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | Yes |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | No |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | No |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | No |
### Instruction:
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 of length 2N consisting of lowercase English letters.
There are 2^{2N} ways to color each character in S red or blue. Among these ways, how many satisf... | No |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
N = int(input())
temp=0
dia_break=0
for _ in range(N):
x = input()
if x=="A":
temp += 1
elif x=='Un':
temp -= 1
if temp < 0:
dia_break = 1
if dia_break==0 and temp==0:
print("YES")
else:
print("NO")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
n = int(input())
s_list = []
for ii in range(n):
ss = input()
s_list.append(ss)
c=0
for s in s_list:
if(s=="A"):
c+=1
else:
c-=1
if(c<0):
break
if(c==0):
print("YES")
else:
print("NO")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
n = int(input())
s = [str(input()) for i in range(n)]
cnt = 0
for i in s:
if i == "A":
cnt += 1
else:
cnt -= 1
if cnt < 0:
print("NO")
exit()
if cnt != 0:
print("NO")
else:
print("YES")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
a = 0
for _ in range(int(input())):
if input() == "A":a += 1
else:
a -= 1
if a < 0:
print("NO")
break
else:
print("YES" if a == 0 else "NO")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
N = int(input())
S = [input() for _ in range(N)]
first = 0
second = 0
ans = "YES"
for s in S:
if s == "A":
first += 1
elif s == "Un":
second += 1
if first < second:
ans = "NO"
break
if first != second:
ans = "NO"
print(ans)
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
n = int(input())
s = [input() for i in range(n)]
cnt = 0
for e in s:
if e=="A":
cnt += 1
else:
cnt -= 1
if cnt<0:
print("NO")
exit()
if cnt==0:
print("YES")
else:
print("NO")
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
BEF_STR= "A"
AFT_STR = "Un"
def get_data():
data = input()
return data
def make_data_list(num):
data_list = [None] * num
for i in range(num):
data_list[i] = get_data()
return data_list
#A-Unでワンセットとなるかを確認する関数を作りたい
def check_STR1_to_STR2_correspondence(data_list):
... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
A-Aun's breathing
Problem Statement
Maeda-san and Goto-san, who will both turn 70 years old in 2060, are long-time friends and friends who fought together at the ACM-ICPC in college.
The two are still excited about competitive pro... | "Correct Solution:
```
def finish():
print('NO')
exit()
N = int(input())
cnt = 0
vec = -1
for i in range(N):
w = input()
if w == 'A':
#if vec == -1 and cnt != 0:
# finish()
cnt += 1
vec = 1
else:
if cnt == 0:
finish()
cnt -= 1
... |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortu... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A correct expression of the form a+b=c was written; a, b and c are non-negative integers without leading zeros. In this expression, the plus and equally signs were lost. The tas... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A correct expression of the form a+b=c was written; a, b and c are non-negative integers without leading zeros. In this expression, the plus and equally signs were lost. The tas... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A correct expression of the form a+b=c was written; a, b and c are non-negative integers without leading zeros. In this expression, the plus and equally signs were lost. The tas... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A correct expression of the form a+b=c was written; a, b and c are non-negative integers without leading zeros. In this expression, the plus and equally signs were lost. The tas... | No |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
Problem statement
Jota knows only the characters from `a` to` z` and the addition symbol `+`. Jota has an older sister, Tachiko. In addition to that, Tatsuko knows multiplication `*`, parentheses `(`, `)`, and integers (numbers) bet... | "Correct Solution:
```
input()
s=input().split('+')
t=[s.count(x) for x in set(s)]
print(sum(min(3*t.count(x),t.count(x)+4) for x in set(t) if x!=1)+len(t)-1+t.count(1))
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
Problem statement
Jota knows only the characters from `a` to` z` and the addition symbol `+`. Jota has an older sister, Tachiko. In addition to that, Tatsuko knows multiplication `*`, parentheses `(`, `)`, and integers (numbers) bet... | "Correct Solution:
```
from collections import Counter
n = int(input())
s = input()
counter = Counter(s[0::2])
counter2 = Counter(counter.values())
ans = 0
for k, v in counter2.items():
if k == 1:
ans += 2 * v
else:
if v == 1:
ans += 4
else:
ans += 4 + v * 2
print(ans - 1)
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
Problem statement
Jota knows only the characters from `a` to` z` and the addition symbol `+`. Jota has an older sister, Tachiko. In addition to that, Tatsuko knows multiplication `*`, parentheses `(`, `)`, and integers (numbers) bet... | "Correct Solution:
```
input()
s = input()
cs = s.split("+")
ns = []
ds = []
for c in cs:
cont = False
i = 0
for a in ds:
if(a == c):
cont = True
ns[i] += 1
break
i += 1
if(not cont):
ds.append(c)
ns.append(1)
nums = [0 for i in range(9... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
Problem statement
Jota knows only the characters from `a` to` z` and the addition symbol `+`. Jota has an older sister, Tachiko. In addition to that, Tatsuko knows multiplication `*`, parentheses `(`, `)`, and integers (numbers) bet... | "Correct Solution:
```
input()
s=input().split('+')
t=[s.count(x) for x in set(s)]
a=sum(min(3*t.count(x),t.count(x)+4) for x in set(t) if x!=1)+len(t)-1+t.count(1)
print(a)
``` |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
Problem statement
Jota knows only the characters from `a` to` z` and the addition symbol `+`. Jota has an older sister, Tachiko. In addition to that, Tatsuko knows multiplication `*`, parentheses `(`, `)`, and integers (numbers) bet... | "Correct Solution:
```
# -*- coding: utf-8 -*-
from collections import Counter
N = input()
S = input().split('+')
dic_chr_num = Counter(S)
dic_num_kind = Counter(dic_chr_num.values())
ans = 4 * len(dic_chr_num) - 1
for num, kind in dic_num_kind.items():
if num == 1:
ans -= 2 * kind
elif kind >= 2:
... |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consi... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Malek has recently found a treasure map. While he was looking for a treasure he found a locked door. There was a string s written on the door consisting of characters '(', ')' a... | No |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You have two strings A = A_1 A_2 ... A_n and B = B_1 B_2 ... B_n of the same length consisting of 0 and 1.
You can transform A using the following operations in any order and as many times as you want:
* Shift A by one character to... | "Correct Solution:
```
import sys
sys.setrecursionlimit(2147483647)
INF=float("inf")
MOD=10**9+7
input=lambda:sys.stdin.readline().rstrip()
def resolve():
A,B=(list(map(int,input())) for _ in range(2))
n=len(A)
# B が全て0のときだけ例外処理
if(all(b==0 for b in B)):
if(all(a==0 for a in A)):
pr... |
### Instruction:
Provide a correct Python 3 solution for this coding contest problem.
You have two strings A = A_1 A_2 ... A_n and B = B_1 B_2 ... B_n of the same length consisting of 0 and 1.
You can transform A using the following operations in any order and as many times as you want:
* Shift A by one character to... | "Correct Solution:
```
# B 하나씩 shift하면서 타겟을 정함. 이제 A -> B' 만드는 게 목표
A = input()
B = input()
N = len(A)
if B.count('1') == 0 and A != B:
print(-1)
exit()
ans = int(2e18)
ld = [i if B[i] == '1' else -int(1e9) for i in range(N)]
rd = [i if B[i] == '1' else int(1e9) for i in range(N)]
for i in range(1, N): ld[i... |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have two strings A = A_1 A_2 ... A_n and B = B_1 B_2 ... B_n of the same length consisting of 0 and 1.
You can transform A using the following operations in any order and a... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have two strings A = A_1 A_2 ... A_n and B = B_1 B_2 ... B_n of the same length consisting of 0 and 1.
You can transform A using the following operations in any order and a... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have two strings A = A_1 A_2 ... A_n and B = B_1 B_2 ... B_n of the same length consisting of 0 and 1.
You can transform A using the following operations in any order and a... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have two strings A = A_1 A_2 ... A_n and B = B_1 B_2 ... B_n of the same length consisting of 0 and 1.
You can transform A using the following operations in any order and a... | No |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The name of one small but proud corporation consists of n lowercase English letters. The Corporation has decided to try rebranding — an active marketing strategy, that includes ... | Yes |
### Instruction:
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The name of one small but proud corporation consists of n lowercase English letters. The Corporation has decided to try rebranding — an active marketing strategy, that includes ... | Yes |
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