message stringlengths 2 23.8k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 97 109k | cluster float64 0 0 | __index_level_0__ int64 194 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive even number N.
Find the number of strings s of length N consisting of `A`, `B`, and `C` that satisfy the following condition:
* s can be converted to the empty string by re... | instruction | 0 | 89,907 | 0 | 179,814 |
Yes | output | 1 | 89,907 | 0 | 179,815 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive even number N.
Find the number of strings s of length N consisting of `A`, `B`, and `C` that satisfy the following condition:
* s can be converted to the empty string by re... | instruction | 0 | 89,908 | 0 | 179,816 |
Yes | output | 1 | 89,908 | 0 | 179,817 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive even number N.
Find the number of strings s of length N consisting of `A`, `B`, and `C` that satisfy the following condition:
* s can be converted to the empty string by re... | instruction | 0 | 89,909 | 0 | 179,818 |
No | output | 1 | 89,909 | 0 | 179,819 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive even number N.
Find the number of strings s of length N consisting of `A`, `B`, and `C` that satisfy the following condition:
* s can be converted to the empty string by re... | instruction | 0 | 89,910 | 0 | 179,820 |
No | output | 1 | 89,910 | 0 | 179,821 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive even number N.
Find the number of strings s of length N consisting of `A`, `B`, and `C` that satisfy the following condition:
* s can be converted to the empty string by re... | instruction | 0 | 89,911 | 0 | 179,822 |
No | output | 1 | 89,911 | 0 | 179,823 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive even number N.
Find the number of strings s of length N consisting of `A`, `B`, and `C` that satisfy the following condition:
* s can be converted to the empty string by re... | instruction | 0 | 89,912 | 0 | 179,824 |
No | output | 1 | 89,912 | 0 | 179,825 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,306 | 0 | 180,612 |
Tags: implementation, strings
Correct Solution:
```
import sys,math
for _ in range(int(input())):
s=list(map(int,list(input())))
cost=0
cost1=0
mi=10**9
n=len(s)
for i in range(n):
cost=0
cost1=0
for j in range(n):
if j<=i:
if (s[j]==0):
cost+=1
else:
cost1+=1
else:
if (s[... | output | 1 | 90,306 | 0 | 180,613 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,307 | 0 | 180,614 |
Tags: implementation, strings
Correct Solution:
```
n=int(input())
for i in range(n):
j=input()
if list(j)==sorted(j) or list(j)==sorted(j)[::-1]:
print(0)
else:
x, y=j.count("1"), j.count("0")
a, b, c, d=0, y, 0, x
new=[y, x]
for k in j:
if k=="1":
... | output | 1 | 90,307 | 0 | 180,615 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,308 | 0 | 180,616 |
Tags: implementation, strings
Correct Solution:
```
## necessary imports
import sys
input = sys.stdin.readline
from math import ceil, floor;
# swap_array function
def swaparr(arr, a,b):
temp = arr[a];
arr[a] = arr[b];
arr[b] = temp
## gcd function
def gcd(a,b):
if a == 0:
return b
return g... | output | 1 | 90,308 | 0 | 180,617 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,309 | 0 | 180,618 |
Tags: implementation, strings
Correct Solution:
```
for _ in range(int(input())):
s = input()
ch0 = 0
ch1 = 0
ch = [[] for _ in range(1001)]
for i in range(len(s)):
ch[i] = [ch0, ch1]
if int(s[i]) == 0:
ch0 += 1
else:
ch1 += 1
ch[len(s)] = [ch0, ch... | output | 1 | 90,309 | 0 | 180,619 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,310 | 0 | 180,620 |
Tags: implementation, strings
Correct Solution:
```
class Solution:
def __init__(self):
self.s = input()
def solve_and_print(self):
right_1 = self.s.count('1')
left_0, left_1, right_0 = 0, 0, len(self.s)-right_1
min_op = len(self.s)
for c in self.s:
min_op = ... | output | 1 | 90,310 | 0 | 180,621 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,311 | 0 | 180,622 |
Tags: implementation, strings
Correct Solution:
```
for _ in range(int(input())):
s=input()
sum=0
for i in s:
if i=='1':
sum+=1
if sum==0 or sum==len(s):
print(0)
else:
ans_now=100000000000000
l=0
r=sum
for i in range(len(s)):
i... | output | 1 | 90,311 | 0 | 180,623 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,312 | 0 | 180,624 |
Tags: implementation, strings
Correct Solution:
```
for _ in range(int(input())):
s = input()
ans = 10000000
total = 0
for i in s:
if i=='1':
total+=1
l = len(s)
ans = min(ans, total, l-total)
preZeroes = 0
for i in range(l):
if s[i]=='0':
... | output | 1 | 90,312 | 0 | 180,625 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an index of the string, and flip the character at that... | instruction | 0 | 90,313 | 0 | 180,626 |
Tags: implementation, strings
Correct Solution:
```
T=int(input())
for i in range(T):
s=input()
l=[]
ans=99999999999
n=len(s)
for i in range(n):
c=s[i]
ls=s[:i]
rs=s[i+1:]
lsz=ls.count("0")
lso=ls.cou... | output | 1 | 90,313 | 0 | 180,627 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,314 | 0 | 180,628 |
Yes | output | 1 | 90,314 | 0 | 180,629 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,315 | 0 | 180,630 |
Yes | output | 1 | 90,315 | 0 | 180,631 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,316 | 0 | 180,632 |
Yes | output | 1 | 90,316 | 0 | 180,633 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,317 | 0 | 180,634 |
Yes | output | 1 | 90,317 | 0 | 180,635 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,318 | 0 | 180,636 |
No | output | 1 | 90,318 | 0 | 180,637 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,319 | 0 | 180,638 |
No | output | 1 | 90,319 | 0 | 180,639 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,320 | 0 | 180,640 |
No | output | 1 | 90,320 | 0 | 180,641 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Shubham has a binary string s. A binary string is a string containing only characters "0" and "1".
He can perform the following operation on the string any amount of times:
* Select an inde... | instruction | 0 | 90,321 | 0 | 180,642 |
No | output | 1 | 90,321 | 0 | 180,643 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,364 | 0 | 180,728 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
t=int(input())
for _ in range(t):
s=input()
n=len(s)
a,b=-1,-1
if s.count('1')==n or s.count('0')==n:
print("YES")
else:
a=s.find("11")
b=s.rfind("00")
if a==-1 or b==-1:
print("YES")
... | output | 1 | 90,364 | 0 | 180,729 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,365 | 0 | 180,730 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
tc = int(input())
for t in range(tc):
seq = input()
rmost00 = seq.rfind("00")
lmost11 = seq.find("11")
if rmost00 >= 0 and lmost11 >= 0 and rmost00 > lmost11:
print("NO")
else:
print("YES")
# prev = seq[0]
#... | output | 1 | 90,365 | 0 | 180,731 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,366 | 0 | 180,732 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
#!/usr/bin/env python
from __future__ import division, print_function
import os
import sys
sys.setrecursionlimit(1000000)
from io import BytesIO, IOBase
if sys.version_info[0] < 3:
from __builtin__ import xrange as range
from future_builtins ... | output | 1 | 90,366 | 0 | 180,733 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,367 | 0 | 180,734 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
t = int(input())
results = []
def find_dob(s):
return [(i, s[i]) for i in range(len(s)-1) if not(s[i]^s[i+1])]
for i in range(t):
s = input()
s = [int(c) for c in s]
dobs = find_dob(s)
dobs_z = [a for (a, b) in dobs if b==0]
... | output | 1 | 90,367 | 0 | 180,735 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,368 | 0 | 180,736 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
for _ in range(int(input())):
s=input()
n=len(s)
f=True
o,z = s.count('1'),s.count('0')
if o==n or z==n:
print('YES')
continue
for i in range(n-1):
if s[i]=='1' and s[i+1]=='1':
for i in range... | output | 1 | 90,368 | 0 | 180,737 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,369 | 0 | 180,738 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
import sys
import math
import bisect
import functools
from functools import lru_cache
from sys import stdin, stdout
from math import gcd, floor, sqrt, log, ceil
from heapq import heappush, heappop, heapify
from collections import defaultdict as dd
from... | output | 1 | 90,369 | 0 | 180,739 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,370 | 0 | 180,740 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
import sys
def solve(s):
n = len(s)
ans = False
for i in range(n):
local_ans = True
removal = []
for j in range(i):
if s[j] == "1":
removal.append(j)
for j in range(i, n):
... | output | 1 | 90,370 | 0 | 180,741 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s, consisting only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
* 1 ≤ a_1 < a_2 < ... < a_k ≤ |s|;
* a_{i-1} ... | instruction | 0 | 90,371 | 0 | 180,742 |
Tags: brute force, dp, greedy, implementation
Correct Solution:
```
import sys
input = sys.stdin.readline
for _ in range(int(input())):
s = input()
try:
i = s.index('11') + 2
if '00' in s[i:]:
print("NO")
else:
print("YES")
except:
print("YES")
``` | output | 1 | 90,371 | 0 | 180,743 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,372 | 0 | 180,744 |
Yes | output | 1 | 90,372 | 0 | 180,745 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,373 | 0 | 180,746 |
Yes | output | 1 | 90,373 | 0 | 180,747 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,374 | 0 | 180,748 |
Yes | output | 1 | 90,374 | 0 | 180,749 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,375 | 0 | 180,750 |
Yes | output | 1 | 90,375 | 0 | 180,751 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,376 | 0 | 180,752 |
No | output | 1 | 90,376 | 0 | 180,753 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,377 | 0 | 180,754 |
No | output | 1 | 90,377 | 0 | 180,755 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,378 | 0 | 180,756 |
No | output | 1 | 90,378 | 0 | 180,757 |
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 only of characters '0' or '1'. Let |s| be the length of s.
You are asked to choose some integer k (k > 0) and find a sequence a of length k such that:
*... | instruction | 0 | 90,379 | 0 | 180,758 |
No | output | 1 | 90,379 | 0 | 180,759 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string S of length n with each character being one of the first m lowercase English letters.
Calculate how many different strings T of length n composed from the first m lowercase English letters exist such that the length ... | instruction | 0 | 90,531 | 0 | 181,062 |
Tags: dp, greedy
Correct Solution:
```
def main():
n, m = map(int, input().split())
s = input()
k = sum(s[i] != s[i - 1] for i in range(1, n)) + 1
x = i = 0
while i < n - 1:
if s[i] != s[i + 1]:
j = i
while i + 2 < n and s[i] == s[i + 2]:
i += 1
... | output | 1 | 90,531 | 0 | 181,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,580 | 0 | 181,160 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
a = list(input())
b = list(input())
s = [-1]
i = 0
j = 0
while i < len(a) and j < len(b):
if a[i] == b[j]:
s.append(i)
j += 1
i += 1
e = [10**6]
i = len(a) - 1
j = len(b) - 1
while i >= 0 and j >= 0:
if a[i] == b[j]:
e.append(i)
j ... | output | 1 | 90,580 | 0 | 181,161 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,581 | 0 | 181,162 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
import math
def prefixIds(a, b):
prefSubsId = [math.inf] * len(b)
# print(a)
# print(b)
bId = 0
aId = 0
while aId < len(a):
if bId == len(b):
break
if a[aId] == b[bId]:
prefSubsId[bId] = aId + 1
bId += 1
aId += 1
els... | output | 1 | 90,581 | 0 | 181,163 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,582 | 0 | 181,164 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
from sys import stdin
def main():
t = stdin.readline()
s = stdin.readline()
n = len(s) - 1
m = len(t) - 1
post = [-1] * n
ss = n - 1
st = m - 1
while st >= 0 and ss >= 0:
if t[st] == s[ss]:
po... | output | 1 | 90,582 | 0 | 181,165 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,583 | 0 | 181,166 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
a = input()
b = input()
prefix = [-1] * len(b)
postfix = [-1] * len(b)
prefix[0] = a.find(b[0])
postfix[len(b) - 1] = a.rfind(b[len(b) - 1])
for i in range(1, len(b)):
prefix[i] = a.find(b[i], prefix[i - 1] + 1)
if prefix[i] == -1:
... | output | 1 | 90,583 | 0 | 181,167 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,584 | 0 | 181,168 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
import sys
s, t = input(), '*'+input()
n, m = len(s), len(t)-1
inf = 10**9
pre, suf = [-1] + [inf]*(m+1), [-1]*(m+1) + [n]
i = 0
for j in range(1, m+1):
while i < n and s[i] != t[j]:
i += 1
if i == n:
break
pre[j] =... | output | 1 | 90,584 | 0 | 181,169 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,585 | 0 | 181,170 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
import sys
input = sys.stdin.readline
def solve():
a = input().strip()
b = input().strip()
n = len(a)
m = len(b)
c = [0]*m
d = [0]*m
p = 0
for i in range(m):
for j in range(p, n):
if a[j] == b[i]:
c[i] = j
p = j + 1
b... | output | 1 | 90,585 | 0 | 181,171 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,586 | 0 | 181,172 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
a, b = str(input()), str(input())
p, s, pp, sp = [0] * len(b), [0] * len(b), 0, len(a) - 1
p[0] = a.find(b[0])
while sp >= 0 and a[sp] != b[-1]:
sp -= 1
s[len(b) - 1] = sp
pp, sp = p[0] + 1, sp - 1
for i in range(1, len(b)):
if p[i - 1] == -1... | output | 1 | 90,586 | 0 | 181,173 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence of string a. It can happen that you will not n... | instruction | 0 | 90,587 | 0 | 181,174 |
Tags: binary search, hashing, strings, two pointers
Correct Solution:
```
a=input()
b=input()
pre=[len(a) for i in range(len(b))]
suf=[-1 for i in range(len(b))]
temp=0
whole=0
for i in range(len(a)):
if b[temp]==a[i]:
pre[temp]=i
temp+=1
if temp==len(b):
whole=1
brea... | output | 1 | 90,587 | 0 | 181,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,588 | 0 | 181,176 |
Yes | output | 1 | 90,588 | 0 | 181,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,589 | 0 | 181,178 |
Yes | output | 1 | 90,589 | 0 | 181,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,590 | 0 | 181,180 |
Yes | output | 1 | 90,590 | 0 | 181,181 |
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