message stringlengths 2 23.4k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 129 108k | cluster float64 6 6 | __index_level_0__ int64 258 216k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one.
<image>
You can remove a link or a pearl and insert it between two other existing links or pearls (or between ... | instruction | 0 | 99,227 | 6 | 198,454 |
Tags: implementation, math
Correct Solution:
```
from collections import Counter
l= Counter(input())
print("NO" if l["o"] and l["-"] % l["o"] else "YES")
``` | output | 1 | 99,227 | 6 | 198,455 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one.
<image>
You can remove a link or a pearl and insert it between two other existing links or pearls (or between ... | instruction | 0 | 99,228 | 6 | 198,456 |
Tags: implementation, math
Correct Solution:
```
import sys,os,io
from sys import stdin
from math import log, gcd, ceil
from collections import defaultdict, deque, Counter
from heapq import heappush, heappop
from bisect import bisect_left , bisect_right
import math
alphabets = list('abcdefghijklmnopqrstuvwxyz')
de... | output | 1 | 99,228 | 6 | 198,457 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one.
<image>
You can remove a link or a pearl and insert it between two other existing links or pearls (or between ... | instruction | 0 | 99,229 | 6 | 198,458 |
Tags: implementation, math
Correct Solution:
```
s = input()
p = s.count('o')
n = len(s)
if p == 0 or n % p == 0:
ans = 'YES'
else:
ans = 'NO'
print(ans)
``` | output | 1 | 99,229 | 6 | 198,459 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,740 | 6 | 199,480 |
Tags: implementation, two pointers
Correct Solution:
```
s=input()
nb=1
n=0
for i in range(len(s)-1):
if (s[i]!=s[i+1]) and (nb%2==0):
n+=1
nb=1
elif (s[i]!=s[i+1]):
nb=1
else:
nb+=1
if nb%2==0:
print(n+1)
else:
print(n)
``` | output | 1 | 99,740 | 6 | 199,481 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,741 | 6 | 199,482 |
Tags: implementation, two pointers
Correct Solution:
```
dna=input()
ans=0
i=0
while i<len(dna):
j=i+1
while j<len(dna) and dna[j]==dna[j-1]:
j+=1
if not (j-i)&1:
ans+=1
i=j
print(ans)
``` | output | 1 | 99,741 | 6 | 199,483 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,742 | 6 | 199,484 |
Tags: implementation, two pointers
Correct Solution:
```
y=input()
final=0
i=0
while i<len(y):
if y[i]=='A':
flag=0
while i<len(y):
if y[i]=='A':
flag+=1
else:
break
i+=1
if flag%2==0:
final=final+1
elif y[i... | output | 1 | 99,742 | 6 | 199,485 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,743 | 6 | 199,486 |
Tags: implementation, two pointers
Correct Solution:
```
string = input()
s = string[0]
n = 0
values = []
for i in string:
if i == s:
n += 1
else:
values.append(n)
n = 1
s = i
values.append(n)
t = 0
for i in values:
if i % 2 == 0:
t += 1
print(t)
``` | output | 1 | 99,743 | 6 | 199,487 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,744 | 6 | 199,488 |
Tags: implementation, two pointers
Correct Solution:
```
r = input()
i = 0
outer_count = 0
while i < len(r):
count = 0
char = r[i]
while r[i] == char:
count += 1
i += 1
if i == len(r):
break
if count % 2 == 0:
outer_count += 1
print(outer_count)
``` | output | 1 | 99,744 | 6 | 199,489 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,745 | 6 | 199,490 |
Tags: implementation, two pointers
Correct Solution:
```
s = input()
piece = ''
count = 0
for i in range(len(s)-1):
if s[i+1] != s[i] :
piece += s[i]
#print(piece)
if len(piece) % 2 == 0 :
count += 1
piece = ''
else:
piece += s[i]
if i == len(s)-2 and... | output | 1 | 99,745 | 6 | 199,491 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,746 | 6 | 199,492 |
Tags: implementation, two pointers
Correct Solution:
```
import sys
string = str(sys.stdin.readline())
string = list(string)
def solution(string):
count = 1
answer = 0
num = 0
#string.remove("\n")
for i in string:
if i == "\n":
return print(answer)
elif i == string[num+1... | output | 1 | 99,746 | 6 | 199,493 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA that encodes one protein. The stretch of DNA is... | instruction | 0 | 99,747 | 6 | 199,494 |
Tags: implementation, two pointers
Correct Solution:
```
import re
x = input()
l = [0 for i in range(len(x))]
c, h = 1, 0
for i in range(len(x) - 1):
l, r = x[i], x[i + 1]
if l is r:
c += 1
else:
if c % 2 is 0:
h += 1
c = 1
if c % 2 is 0:
h += 1
print(h)
#... | output | 1 | 99,747 | 6 | 199,495 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA ... | instruction | 0 | 99,748 | 6 | 199,496 |
Yes | output | 1 | 99,748 | 6 | 199,497 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA ... | instruction | 0 | 99,749 | 6 | 199,498 |
Yes | output | 1 | 99,749 | 6 | 199,499 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA ... | instruction | 0 | 99,750 | 6 | 199,500 |
Yes | output | 1 | 99,750 | 6 | 199,501 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA ... | instruction | 0 | 99,751 | 6 | 199,502 |
Yes | output | 1 | 99,751 | 6 | 199,503 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA ... | instruction | 0 | 99,752 | 6 | 199,504 |
No | output | 1 | 99,752 | 6 | 199,505 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA ... | instruction | 0 | 99,754 | 6 | 199,508 |
No | output | 1 | 99,754 | 6 | 199,509 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You will receive 3 points for solving this problem.
Manao is designing the genetic code for a new type of algae to efficiently produce fuel. Specifically, Manao is focusing on a stretch of DNA ... | instruction | 0 | 99,755 | 6 | 199,510 |
No | output | 1 | 99,755 | 6 | 199,511 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,761 | 6 | 199,522 |
Tags: implementation, strings
Correct Solution:
```
heading = input()
text = input()
hcounts = {}
for char in heading:
if char != ' ':
if char in hcounts:
hcounts[char] += 1
else:
hcounts[char] = 1
impos = False
for char in text:
if char != ' ':
if char in hcounts:
hcounts[char] -= 1
if hcounts[ch... | output | 1 | 99,761 | 6 | 199,523 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,762 | 6 | 199,524 |
Tags: implementation, strings
Correct Solution:
```
def chrnum(s,a):
ans=0
for i in s:
if i==a:ans+=1
return ans
s1=input()
s2=input()
s1=s1.replace(' ','')
s2=s2.replace(' ','')
def fn(s1,s2):
for i in s2:
if chrnum(s2,i)>chrnum(s1,i):return 'NO'
return 'YES'
print(fn(s1,s2))
``` | output | 1 | 99,762 | 6 | 199,525 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,763 | 6 | 199,526 |
Tags: implementation, strings
Correct Solution:
```
heading = input()
text = input()
for letter in text:
if letter != ' ':
if letter in heading:
heading = heading.replace(letter, '', 1)
else:
print("NO")
exit()
print("YES")
``` | output | 1 | 99,763 | 6 | 199,527 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,764 | 6 | 199,528 |
Tags: implementation, strings
Correct Solution:
```
s1 = list(input().replace(' ', ''))
s2 = list(input().replace(' ', ''))
s3 = []
for i in s2:
if i in s1:
s1.remove(i)
s3.append(i)
if len(s3) == len(s2):
print('YES')
else:
print('NO')
``` | output | 1 | 99,764 | 6 | 199,529 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,765 | 6 | 199,530 |
Tags: implementation, strings
Correct Solution:
```
s1=input()
s2=input()
b=list(set(s2))
if ' ' in b:
b.remove(' ')
c=0
for i in b:
if s2.count(i)<=s1.count(i):
c+=1
if c==len(b):
print('YES')
else:
print('NO')
``` | output | 1 | 99,765 | 6 | 199,531 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,766 | 6 | 199,532 |
Tags: implementation, strings
Correct Solution:
```
# Long Contest 1, Problem J
head = input()
text = input()
hm = {}
for ch in head:
if ch == ' ':
continue
hm[ch] = hm.get(ch, 0)+1
tm = {}
for ch in text:
if ch == ' ':
continue
tm[ch] = tm.get(ch, 0)+1
flag = True
for ch, tcount in tm.items():
hcount = hm.g... | output | 1 | 99,766 | 6 | 199,533 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,767 | 6 | 199,534 |
Tags: implementation, strings
Correct Solution:
```
s = input()
text = input()
headers = {}
for char in s:
try: headers[char] += 1
except: headers[char] = 0
for char in text:
if char == ' ': continue
if char in headers:
if headers[char] >= 0:
headers[char] -= 1
else:
... | output | 1 | 99,767 | 6 | 199,535 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spac... | instruction | 0 | 99,768 | 6 | 199,536 |
Tags: implementation, strings
Correct Solution:
```
def removeSpace(x):
res = ""
for _ in range(len(x)):
if x[_] != " ":
res += x[_]
return res
string1 = sorted(removeSpace(input()))
string2 = sorted(removeSpace(input()))
temp = 0
count = len(string2)
for i in range(count):
if stri... | output | 1 | 99,768 | 6 | 199,537 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no mor... | instruction | 0 | 99,772 | 6 | 199,544 |
Yes | output | 1 | 99,772 | 6 | 199,545 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no mor... | instruction | 0 | 99,773 | 6 | 199,546 |
No | output | 1 | 99,773 | 6 | 199,547 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no mor... | instruction | 0 | 99,774 | 6 | 199,548 |
No | output | 1 | 99,774 | 6 | 199,549 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no mor... | instruction | 0 | 99,775 | 6 | 199,550 |
No | output | 1 | 99,775 | 6 | 199,551 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading s1 and text s2 that he wants to send. Vasya can use every single heading letter no mor... | instruction | 0 | 99,776 | 6 | 199,552 |
No | output | 1 | 99,776 | 6 | 199,553 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,808 | 6 | 199,616 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
from math import *
n=int(input())
s=input()
t=input()
l=0
r=n-1
for i in range(n):
if(s[i]==t[i]):
l+=1
else:
break
for i in range(n-1,-1,-1):
if(s[i]==t[i]):
r-=1
else:
break
ans=0
if(s[l+1:r+1]==t[l:r]):
an... | output | 1 | 99,808 | 6 | 199,617 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,809 | 6 | 199,618 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writab... | output | 1 | 99,809 | 6 | 199,619 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,810 | 6 | 199,620 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
from sys import stdin
read = stdin.readline
n = int(read())
S = read()
T = read()
for i in range(n):
if S[i] != T[i]:
break
a = b = 1
for j in range(i,n-1):
if S[j] != T[j+1]:
a = (S[j+1:] == T[j+... | output | 1 | 99,810 | 6 | 199,621 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,811 | 6 | 199,622 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
n=int(input())
st1=input()
st2=input()
i=0
while st1[i] == st2[i]:
i+=1
j=n-1
while st1[j] == st2[j]:
j-=1
print(int(st1[i+1:j+1] == st2[i:j]) + int(st1[i:j] == st2[i+1:j+1]))
``` | output | 1 | 99,811 | 6 | 199,623 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,812 | 6 | 199,624 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
import sys
#sys.stdin = open("in.txt")
try:
while True:
n = int(input())
s1 = input()
s2 = input()
L = 0
R = n-1
while s1[L] == s2[L]:
L += 1
while s1[R... | output | 1 | 99,812 | 6 | 199,625 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,813 | 6 | 199,626 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
def aux(s, t):
n = len(s)
lpr = 0
for i in range(n):
if s[i] != t[i]:
break
lpr += 1
lsf = 0
for i in range(n-1, -1, -1):
if s[i] != t[i]:
break
ls... | output | 1 | 99,813 | 6 | 199,627 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,814 | 6 | 199,628 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
i, j = 0, int(input()) - 1
a, b = input(), input()
while a[i] == b[i]: i += 1
while a[j] == b[j]: j -= 1
print((a[i + 1:j + 1] == b[i:j]) + (b[i + 1:j + 1] == a[i:j]))
``` | output | 1 | 99,814 | 6 | 199,629 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Analyzing the mistakes people make while typing search queries is a complex and an interesting work. As there is no guaranteed way to determine what the user originally meant by typing some query, we have to use different sorts of heuristics... | instruction | 0 | 99,815 | 6 | 199,630 |
Tags: constructive algorithms, dp, greedy, hashing, strings, two pointers
Correct Solution:
```
n = int(input())
s, t = input(), input()
i = 0
while s[i] == t[i]:
i += 1
j = n - 1
while s[j] == t[j]:
j -= 1
print(int(s[i + 1:j + 1] == t[i:j]) + int(s[i:j] == t[i + 1:j + 1]))
``` | output | 1 | 99,815 | 6 | 199,631 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,029 | 6 | 200,058 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
alpha = [0]*(26)
c = 0
flag = 0
for i in range(n):
a,b = input().split()
if a=='.' :
b = list(set(b))
for i in b:
alpha[ord(i)-97] = -1
elif a=='!':
if alpha.count(max(alpha))==1:
if flag:
c+=1
else:
flag = 1
elif not fla... | output | 1 | 100,029 | 6 | 200,059 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,030 | 6 | 200,060 |
Tags: implementation, strings
Correct Solution:
```
from collections import *
import os, sys
from io import BytesIO, IOBase
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in file.mode or "r" not in file... | output | 1 | 100,030 | 6 | 200,061 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,031 | 6 | 200,062 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
d = set()
for i in range(26):
d.add(chr(ord('a')+i))
chocks = 0
done = -1
for i in range(n):
s = input().split()
toR = []
if s[0] == '!':
chocks += 1
for x in d:
if not x in s[1]: toR.append(x)
for x... | output | 1 | 100,031 | 6 | 200,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,032 | 6 | 200,064 |
Tags: implementation, strings
Correct Solution:
```
'''input
5
! abc
. ad
. b
! cd
? c
'''
t = [0] * 26
e = 0
n = int(input())
if n == 1:
print(0)
quit()
for i in range(n-1):
x, y = input().split()
if x == '!':
if 1 in t:
c = [ord(p) - 97 for p in set(y)]
for x in range(26):
if not(t[x] == 1 and x in c)... | output | 1 | 100,032 | 6 | 200,065 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,033 | 6 | 200,066 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
flag = False
ans = 0
curr = set([chr(x) for x in range(ord('a'), ord('z')+1)])
for i in range(n):
c,s = input().split(' ')
if c[0] == '.':
letters = set(s)
curr = curr - letters
if len(curr) == 1: flag = True
... | output | 1 | 100,033 | 6 | 200,067 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,034 | 6 | 200,068 |
Tags: implementation, strings
Correct Solution:
```
# reading input from stdin
numActions = int(input())
actions = []
for i in range(numActions):
tempStr = input()
if tempStr[0] == '!':
action = 'shock'
elif tempStr[0] == '.':
action = 'none'
else:
action = 'guess'
string = t... | output | 1 | 100,034 | 6 | 200,069 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,035 | 6 | 200,070 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
q = []
for _ in range(n):
q.append(input().split())
s = set('abcdefghijklmnopqrstuvwxyz')
letter = q[-1][-1]
for i in range(n-1):
if q[i][0] == '!':
s &= set(q[i][1])
else:
s -= set(q[i][1])
if len(s) == 1:
cnt = 0
for j i... | output | 1 | 100,035 | 6 | 200,071 |
Provide tags and a correct Python 3 solution for this coding contest problem.
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 he pronounces a word that contains the selected letter, he receiv... | instruction | 0 | 100,036 | 6 | 200,072 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
s = set ('abcdefghijklmnopqrstuvwxyz')
count = 0
for i in range (n):
strg = input().split()
if strg[0] == "?":
if len(s)==1 and i != n - 1:
count += 1
s -= set(strg[1])
if strg[0] == "!":
if len(s)==1:
... | output | 1 | 100,036 | 6 | 200,073 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has 3 keys on it: the `0` key, the `1` key and the backspace key.
To begin with, he is using a plain text ed... | instruction | 0 | 100,234 | 6 | 200,468 |
Yes | output | 1 | 100,234 | 6 | 200,469 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has 3 keys on it: the `0` key, the `1` key and the backspace key.
To begin with, he is using a plain text ed... | instruction | 0 | 100,235 | 6 | 200,470 |
No | output | 1 | 100,235 | 6 | 200,471 |
Provide a correct Python 3 solution for this coding contest problem.
A: Alphabet block
Wakana Nakawa loves palindromes. Because my name is also a palindrome.
Wakana got a set with some alphabet blocks. An alphabet block is a block in which one lowercase alphabet is written for each block, and you can create your fav... | instruction | 0 | 100,288 | 6 | 200,576 |
"Correct Solution:
```
s = input()
cnt = [0]*26
for x in s:
cnt[ord(x)-ord('a')] += 1
print(sum([x%2 for x in cnt])//2)
``` | output | 1 | 100,288 | 6 | 200,577 |
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