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 a correct Python 3 solution for this coding contest problem.
Gotou just received a dictionary. However, he doesn't recognize the language used in the dictionary. He did some analysis on the dictionary and realizes that the dictionary contains all possible diverse words in lexicographical order.
A word is call... | instruction | 0 | 68,769 | 6 | 137,538 |
"Correct Solution:
```
S = input()
if len(S) != 26:
A = [0] * 26
offset = ord('a')
for s in S:
A[ord(s)-offset] = 1
print(S + chr(A.index(0)+offset))
elif S == 'zyxwvutsrqponmlkjihgfedcba':
print(-1)
else:
k = 25
while S[k-1] > S[k]:
k -= 1
X = sorted(S[k-1:])
print(S[:k-1] + X[X.index(S[k-1])... | output | 1 | 68,769 | 6 | 137,539 |
Provide a correct Python 3 solution for this coding contest problem.
Gotou just received a dictionary. However, he doesn't recognize the language used in the dictionary. He did some analysis on the dictionary and realizes that the dictionary contains all possible diverse words in lexicographical order.
A word is call... | instruction | 0 | 68,770 | 6 | 137,540 |
"Correct Solution:
```
s=input()
from bisect import bisect_left as bl,bisect_right as br
if len(s)==26:
if s=="zyxwvutsrqponmlkjihgfedcba":print(-1);exit()
f=s[-1]
p=[s[-1]]
for i in range(2,26):
if s[-i]>f:
f=s[-i];p.append(f)
else:print(s[:-i]+p[bl(p,s[-i])]);exit()
print(chr(ord(s[0])+1))
els... | output | 1 | 68,770 | 6 | 137,541 |
Provide a correct Python 3 solution for this coding contest problem.
Gotou just received a dictionary. However, he doesn't recognize the language used in the dictionary. He did some analysis on the dictionary and realizes that the dictionary contains all possible diverse words in lexicographical order.
A word is call... | instruction | 0 | 68,771 | 6 | 137,542 |
"Correct Solution:
```
from string import ascii_lowercase
def solve(s):
if len(s) < 26:
for c in ascii_lowercase:
if c not in s:
return s + c
while s:
pi = ascii_lowercase.index(s[-1])
s = s[:-1]
for c in ascii_lowercase[pi + 1:]:
if c n... | output | 1 | 68,771 | 6 | 137,543 |
Provide a correct Python 3 solution for this coding contest problem.
Gotou just received a dictionary. However, he doesn't recognize the language used in the dictionary. He did some analysis on the dictionary and realizes that the dictionary contains all possible diverse words in lexicographical order.
A word is call... | instruction | 0 | 68,772 | 6 | 137,544 |
"Correct Solution:
```
S = str(input())
l = [chr(i) for i in range(97,97+26)]
flag = True
for s in l:
if s not in S:
ans = S + s
flag = False
break
if flag:
if S == 'zyxwvutsrqponmlkjihgfedcba':
ans = -1
else:
while flag:
num = ord(S[-1])
S = S[:-1]
for n in range(num+1... | output | 1 | 68,772 | 6 | 137,545 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Gotou just received a dictionary. However, he doesn't recognize the language used in the dictionary. He did some analysis on the dictionary and realizes that the dictionary contains all possible... | instruction | 0 | 68,777 | 6 | 137,554 |
No | output | 1 | 68,777 | 6 | 137,555 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,927 | 6 | 137,854 |
Tags: hashing, strings
Correct Solution:
```
N = int(input())
repo = {} # empty dictionary
total_count = 0
for i in range(N):
val = input()
# we need to convert val into 01010101010101010101010101
# use bit-wise
num = 0
for c in val:
index = ord(c) - ord('a')
num ^= (1 << index) # ... | output | 1 | 68,927 | 6 | 137,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,928 | 6 | 137,856 |
Tags: hashing, strings
Correct Solution:
```
#!/usr/bin/env python3
"""
Created on Wed Feb 28 11:47:12 2018
@author: mikolajbinkowski
"""
import sys
N = int(input())
string_count = {}
for _ in range(N):
s = str(input())
char_count = {}
for c in s:
char_count[c] = char_count.get(c, 0) + 1
s0 =... | output | 1 | 68,928 | 6 | 137,857 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,929 | 6 | 137,858 |
Tags: hashing, strings
Correct Solution:
```
from collections import Counter
s=[]
for i in range(int(input())):
x=[0]*26
for j in input().strip():
x[ord(j)-97]^=1
s.append(''.join([str(y) for y in x ]))
z=Counter(s)
#print(s)
an=0
for j in s:
x=list(j)
for q in range(len(x)):
if... | output | 1 | 68,929 | 6 | 137,859 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,930 | 6 | 137,860 |
Tags: hashing, strings
Correct Solution:
```
import sys
input = sys.stdin.readline
def gcd(a, b):
if a == 0:
return b
return gcd(b % a, a)
def lcm(a, b):
return (a * b) / gcd(a, b)
def main():
comp=[]
c=1
for i in range(27):
comp.append(c)
c*=2
n=int(input())... | output | 1 | 68,930 | 6 | 137,861 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,931 | 6 | 137,862 |
Tags: hashing, strings
Correct Solution:
```
def zamien(S):
A = 26*[0]
for znak in S:
A[ord(znak)-ord('a')] += 1
return ''.join([str(i%2) for i in A])
def mainn():
A = {}
wynik = 0
for i in range(int(input())):
s = zamien(input())
wynik ... | output | 1 | 68,931 | 6 | 137,863 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,932 | 6 | 137,864 |
Tags: hashing, strings
Correct Solution:
```
n = int(input())
string_count = {}
for _ in range(n):
s = str(input())
item_count={}
for i,c in enumerate(s):
item_count[c]=item_count.get(c,0)+1
s0=[]
for i,x in enumerate('abcdefghijklmnopqrstuvwxyz'):
if item_count.get(x,0)%2==1:
... | output | 1 | 68,932 | 6 | 137,865 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,933 | 6 | 137,866 |
Tags: hashing, strings
Correct Solution:
```
from collections import Counter
n = int(input())
strings = []
for i in range(0,n):
counter = { x: 0 for x in range(ord('a'), ord('z')+1) }
napis = input()
for val in napis:
counter[ord(val)] = (counter[ord(val)] + 1) % 2
napis = ""
for key, val in counter.... | output | 1 | 68,933 | 6 | 137,867 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). She has learned how to check for a given string ... | instruction | 0 | 68,934 | 6 | 137,868 |
Tags: hashing, strings
Correct Solution:
```
import sys
import math
import collections
import heapq
import decimal
input=sys.stdin.readline
n=int(input())
d={}
ans=0
for i in range(n):
s=input()
k=len(s)-1
c=0
for j in range(k):
c^=(1<<ord(s[j])-97)
ans+=d.get(c,0)
for j in range(26):
... | output | 1 | 68,934 | 6 | 137,869 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,935 | 6 | 137,870 |
Yes | output | 1 | 68,935 | 6 | 137,871 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,936 | 6 | 137,872 |
Yes | output | 1 | 68,936 | 6 | 137,873 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,937 | 6 | 137,874 |
Yes | output | 1 | 68,937 | 6 | 137,875 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,938 | 6 | 137,876 |
Yes | output | 1 | 68,938 | 6 | 137,877 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,939 | 6 | 137,878 |
No | output | 1 | 68,939 | 6 | 137,879 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,940 | 6 | 137,880 |
No | output | 1 | 68,940 | 6 | 137,881 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,941 | 6 | 137,882 |
No | output | 1 | 68,941 | 6 | 137,883 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After learning a lot about space exploration, a little girl named Ana wants to change the subject.
Ana is a girl who loves palindromes (string that can be read the same backwards as forward). S... | instruction | 0 | 68,942 | 6 | 137,884 |
No | output | 1 | 68,942 | 6 | 137,885 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,329 | 6 | 138,658 |
Tags: implementation
Correct Solution:
```
a = []
b = []
for i in range(4):
x = input()
a.append(len(x[2:]))
b.append(x)
c = a.copy()
a.sort()
if 2 * a[0] <= a[1] and a[-1] < 2 * a[-2]:
print(b[c.index(a[0])][0])
elif a[-1] >= 2 * a[-2] and 2 * a[0] > a[1]:
print(b[c.index(a[-1])][0])
else:
prin... | output | 1 | 69,329 | 6 | 138,659 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,330 | 6 | 138,660 |
Tags: implementation
Correct Solution:
```
# Codeforces Problemset
# 437A
a = len(input()) - 2
b = len(input()) - 2
c = len(input()) - 2
d = len(input()) - 2
great = []
if 2*a <= b and 2*a <= c and 2*a <= d:
great.append('A')
elif 2*b <= a and 2*b <= c and 2*b <= d:
great.append('B')
elif 2*c <= a and 2*c <... | output | 1 | 69,330 | 6 | 138,661 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,331 | 6 | 138,662 |
Tags: implementation
Correct Solution:
```
p={ __:len(input())-2 for __ in 'ABCD'}
from math import floor
#print(p)
las=None
tot=0
for i in p:
if all([(2*p[i])<=p[j] for j in p if i!=j]) or\
all([p[i]>=(p[j]*2) for j in p if i!=j]):
las=i
tot+=1
if las!=None and tot==1:
prin... | output | 1 | 69,331 | 6 | 138,663 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,332 | 6 | 138,664 |
Tags: implementation
Correct Solution:
```
a = [0] * 4
for i in range(4):
s = input().strip()
a[i] = len(s) - 2
ans = 'C'
f = 0
for i in range(4):
f1 = 1
f2 = 1
for j in range(4):
if i != j and a[i] < 2 * a[j]:
f1 = 0
if i != j and 2 * a[i] > a[j]:
f2 = 0
... | output | 1 | 69,332 | 6 | 138,665 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,333 | 6 | 138,666 |
Tags: implementation
Correct Solution:
```
answers = [len(input().split(".")[1]) for x in range(4)]
letters = ["A", "B", "C", "D"]
good = []
for x in range(4):
condition = True
for y in range(4):
if x != y and not answers[x] * 2 <= answers[y]:
condition = False
break
if not c... | output | 1 | 69,333 | 6 | 138,667 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,334 | 6 | 138,668 |
Tags: implementation
Correct Solution:
```
a,b,c,d=input(),input(),input(),input()
a=len(a)-2
b=len(b)-2
c=len(c)-2
d=len(d)-2
e=False
if 2*a<=c and 2*a<=b and 2*a<=d or a>=2*c and a>=2*b and a>=2*d: e='A'
if 2*b<=a and 2*b<=c and 2*b<=d or b>=2*a and b>=2*c and b>=2*d:
if e==False:
e='B'
else:
... | output | 1 | 69,334 | 6 | 138,669 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,335 | 6 | 138,670 |
Tags: implementation
Correct Solution:
```
a={"A":len(input()[2:]),"B":len(input()[2:]),"C":len(input()[2:]),"D":len(input()[2:])}
mi=min(a.values())
ma=max(a.values())
l=list(a.values())
c=0
s=0
key_list = list(a.keys())
val_list = list(a.values())
for i in a.values():
if i==mi:
continue
elif mi<=i/2... | output | 1 | 69,335 | 6 | 138,671 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time a child got a test consisting of multiple-choice questions as homework. A multiple-choice question consists of four choices: A, B, C and D. Each choice has a description, and the child should find out the only one that is co... | instruction | 0 | 69,336 | 6 | 138,672 |
Tags: implementation
Correct Solution:
```
a = []
for i in range(4):
a.append(len(input()) - 2)
ans = list("ABCD")
tosc = ''
for i in range(4):
ok1 = 1;
ok2 = 1;
for j in range(4):
if i == j:
continue;
if a[i] < 2 * a[j]:
ok1 = 0
if a[i] * 2 > a[j]:
... | output | 1 | 69,336 | 6 | 138,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,926 | 6 | 139,852 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
import sys
input = sys.stdin.readline
n=int(input())
L=list(input().split())
#n=2*10**5
#L=["aaa","bbb"]*(10**5)
ANS=[L[0]]
LEN2=len(L[0])
mod0=1<<16
mod1=(1<<16)-3
mod2=(1<<16)-2
p=75
TABLE0=[0]
TABLE1=[0]
TABLE2=... | output | 1 | 69,926 | 6 | 139,853 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,927 | 6 | 139,854 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
from sys import stdin,stdout
from sys import setrecursionlimit as SRL; SRL(10**7)
rd = stdin.readline
rrd = lambda: map(int, rd().strip().split())
nxt = [0] * (1000005)
n = int(rd())
s = list(rd().split())
ans = []
fo... | output | 1 | 69,927 | 6 | 139,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,928 | 6 | 139,856 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
def zalgo(s:str):
l=0;r=0;n=len(s);
z = [0]*n
for i in range(1,n):
z[i] = 0
if(i<=r): z[i]=min(r-i+1,z[i-l])
while(i+z[i]<n and s[z[i]]==s[i+z[i]]): z[i]+=1
if(i+z[i]-1>r):
l = i
... | output | 1 | 69,928 | 6 | 139,857 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,929 | 6 | 139,858 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
from sys import stdin,stdout
from sys import setrecursionlimit as SRL; SRL(10**7)
rd = stdin.readline
rrd = lambda: map(int, rd().strip().split())
nxt = [0] * (1000005)
n = int(rd())
s = list(rd().split())
ans = []
fo... | output | 1 | 69,929 | 6 | 139,859 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,930 | 6 | 139,860 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
def compress(words):
if not words:
return ''
def prefix(s):
table = [0] * len(s)
j = 0
for i in range(1, len(s)):
while 0 < j and s[i] != s[j]:
j = tab... | output | 1 | 69,930 | 6 | 139,861 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,931 | 6 | 139,862 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
def prefix_func(s):
p = [0] * len(s)
for i in range(1, len(s)):
j = p[i - 1]
while j > 0 and s[i] != s[j]:
j = p[j - 1]
if s[i] == s[j]:
j += 1
p[i] = j
... | output | 1 | 69,931 | 6 | 139,863 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,932 | 6 | 139,864 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
n = int(input())
words = input().split()[:n]
p_base = 1543
p_mod = 1300199
current = [c for c in words[0]]
for word in words[1:]:
cur_hash = 0
word_hash = 0
cur_base = 1
i_matches = []
same_i = 0
... | output | 1 | 69,932 | 6 | 139,865 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix of the second word that coincides with a ... | instruction | 0 | 69,933 | 6 | 139,866 |
Tags: brute force, hashing, implementation, string suffix structures, strings
Correct Solution:
```
from sys import stdin, stdout
def compresswords(n, words):
a = []
for c in words[0]:
a.append(c)
for i in range(1, len(words)):
lps = getlps(words[i])
#print(lps)
idx = get... | output | 1 | 69,933 | 6 | 139,867 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,934 | 6 | 139,868 |
Yes | output | 1 | 69,934 | 6 | 139,869 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,935 | 6 | 139,870 |
Yes | output | 1 | 69,935 | 6 | 139,871 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,936 | 6 | 139,872 |
Yes | output | 1 | 69,936 | 6 | 139,873 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,937 | 6 | 139,874 |
Yes | output | 1 | 69,937 | 6 | 139,875 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,938 | 6 | 139,876 |
No | output | 1 | 69,938 | 6 | 139,877 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,939 | 6 | 139,878 |
No | output | 1 | 69,939 | 6 | 139,879 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,940 | 6 | 139,880 |
No | output | 1 | 69,940 | 6 | 139,881 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Amugae has a sentence consisting of n words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest p... | instruction | 0 | 69,941 | 6 | 139,882 |
No | output | 1 | 69,941 | 6 | 139,883 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nam is playing with a string on his computer. The string consists of n lowercase English letters. It is meaningless, so Nam decided to make the string more beautiful, that is to make it be a palindrome by using 4 arrow keys: left, right, up,... | instruction | 0 | 70,195 | 6 | 140,390 |
Tags: brute force, greedy, implementation
Correct Solution:
```
n, p = map(int, input().split())
p -= 1
st = input().strip()
l = 0
h = n // 2 - 1
if p > h:
p = n - 1 - p
inside = False
ans = 0
i = 0
H = -1
while i <= h:
if st[i] != st[n - 1 - i]:
if not inside:
l = i
inside = Tr... | output | 1 | 70,195 | 6 | 140,391 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nam is playing with a string on his computer. The string consists of n lowercase English letters. It is meaningless, so Nam decided to make the string more beautiful, that is to make it be a palindrome by using 4 arrow keys: left, right, up,... | instruction | 0 | 70,197 | 6 | 140,394 |
Tags: brute force, greedy, implementation
Correct Solution:
```
n, p = map(int, input().split())
p -= 1
if p >= n // 2 : p = n - 1 - p
s = input()
d = [abs(ord(s[i]) - ord(s[n - i - 1])) for i in range (n // 2)]
d = [min(x, 26 - x) for x in d]
first = last = -1
for i in range (len(d)) :
if d[i] > 0 :
if fir... | output | 1 | 70,197 | 6 | 140,395 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nam is playing with a string on his computer. The string consists of n lowercase English letters. It is meaningless, so Nam decided to make the string more beautiful, that is to make it be a palindrome by using 4 arrow keys: left, right, up,... | instruction | 0 | 70,198 | 6 | 140,396 |
Tags: brute force, greedy, implementation
Correct Solution:
```
n,p=map(int,input().split())
s=input()
ans=[]
for i in range(len(s)):
ans.append(s[i])
sm1=0
la1=0
flag=0
for i in range(len(ans)//2):
if(ans[i]!=ans[-1*(i+1)] and flag==0):
sm1=i+1
flag=1
if(ans[i]!=ans[-1*(i+1)]):
la... | output | 1 | 70,198 | 6 | 140,397 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nam is playing with a string on his computer. The string consists of n lowercase English letters. It is meaningless, so Nam decided to make the string more beautiful, that is to make it be a palindrome by using 4 arrow keys: left, right, up,... | instruction | 0 | 70,199 | 6 | 140,398 |
Tags: brute force, greedy, implementation
Correct Solution:
```
n,p=map(int,input().split())
s=input()
ans=0
p-=1
if(n%2==1 and p==n//2 and n!=1):
p-=1
ans+=1
cnt=0
for i in range(n):
if(n-1-i<=i):
break
if(s[i]!=s[n-1-i]):
cnt+=1
if(p>=n//2 and n!=1):
h=""
for i in range(n-1,-1... | output | 1 | 70,199 | 6 | 140,399 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Nam is playing with a string on his computer. The string consists of n lowercase English letters. It is meaningless, so Nam decided to make the string more beautiful, that is to make it be a palindrome by using 4 arrow keys: left, right, up,... | instruction | 0 | 70,200 | 6 | 140,400 |
Tags: brute force, greedy, implementation
Correct Solution:
```
import sys
from functools import lru_cache, cmp_to_key
from heapq import merge, heapify, heappop, heappush
# from math import *
from collections import defaultdict as dd, deque, Counter as C
from itertools import combinations as comb, permutations as perm
... | output | 1 | 70,200 | 6 | 140,401 |
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