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 |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `+` must not occur consecutively after insertion.
All st... | instruction | 0 | 95,968 | 0 | 191,936 |
"Correct Solution:
```
s = input()
n = len(s)
ans = 0
for i in range(2**(n-1)):
key = ""
for j in range(n-1):
key = key + s[j]
if (i>>j)&1:
key = key + "+"
key = key + s[n-1]
ans += eval(key)
print(ans)
``` | output | 1 | 95,968 | 0 | 191,937 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `+` must not occur consecutively after insertion.
All st... | instruction | 0 | 95,969 | 0 | 191,938 |
"Correct Solution:
```
S = input()
L = len(S)-1
a = 0
for i in range(2**L):
T = S[0]
for j in range(L):
T+=(i>>j&1)*"+"+S[1+j]
a+=eval(T)
print(a)
``` | output | 1 | 95,969 | 0 | 191,939 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `+` must not occur consecutively after insertion.
All st... | instruction | 0 | 95,970 | 0 | 191,940 |
"Correct Solution:
```
s = input()
ans = 0
for i in range(2**(len(s)-1)):
t = 0
for j in range(len(s)-1):
if (i >> j)&1:
ans += int(s[t:j+1])
t = j+1
ans += int(s[t:])
print(ans)
``` | output | 1 | 95,970 | 0 | 191,941 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `+` must not occur consecutively after insertion.
All st... | instruction | 0 | 95,971 | 0 | 191,942 |
"Correct Solution:
```
s = input()
l = len(s)
def dfs(i, f):
if i == l - 1:
return sum(list(map(int, f.split('+'))))
return dfs(i + 1, f + s[i + 1]) + dfs(i + 1, f + '+' + s[i + 1])
print(dfs(0, s[0]))
``` | output | 1 | 95,971 | 0 | 191,943 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `+` must not occur consecutively after insertion.
All st... | instruction | 0 | 95,972 | 0 | 191,944 |
"Correct Solution:
```
s=input()
l=len(s)
def dfs(i,f):
if i==l-1:
return eval(f)
else:
return dfs(i+1, f+s[i+1]) + dfs(i+1,f+'+'+s[i+1])
print(dfs(0,s[0]))
``` | output | 1 | 95,972 | 0 | 191,945 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string S consisting of digits between `1` and `9`, inclusive. You can insert the letter `+` into some of the positions (possibly none) between two letters in this string. Here, `+` must not occur consecutively after insertion.
All st... | instruction | 0 | 95,973 | 0 | 191,946 |
"Correct Solution:
```
S = input()
def func(S, i):
if len(S) <= i:
return eval(S)
S1 = S[:i] + '+' + S[i:]
return func(S, i + 1) + func(S1, i + 2)
print(func(S, 1))
``` | output | 1 | 95,973 | 0 | 191,947 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,205 | 0 | 192,410 |
Tags: data structures
Correct Solution:
```
# 1234D. Distinct Characters Queries
import sys
input = sys.stdin.readline
class SegmentTree:
def __init__(
self,
init_val: "initial value: Array or str",
segfunc: "operation unique in case",
ide_ele: "identity element corresponding init_v... | output | 1 | 96,205 | 0 | 192,411 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,206 | 0 | 192,412 |
Tags: data structures
Correct Solution:
```
import sys,math,itertools
from collections import Counter,deque,defaultdict
from bisect import bisect_left,bisect_right
from heapq import heappop,heappush,heapify
from copy import deepcopy
mod = 10**9+7
INF = float('inf')
def inp(): return int(sys.stdin.readline())
def inpl(... | output | 1 | 96,206 | 0 | 192,413 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,207 | 0 | 192,414 |
Tags: data structures
Correct Solution:
```
import heapq
import math
import sys
input = sys.stdin.readline
def li():return [int(i) for i in input().rstrip('\n').split()]
def value():return int(input())
def givesum(a,b):
c=[0]*26
for i in range(len(a)):
c[i] = a[i]+b[i]
return c
def dolist(a):
... | output | 1 | 96,207 | 0 | 192,415 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,208 | 0 | 192,416 |
Tags: data structures
Correct Solution:
```
class SortedList:
def __init__(self, iterable=[], _load=200):
"""Initialize sorted list instance."""
values = sorted(iterable)
self._len = _len = len(values)
self._load = _load
self._lists = _lists = [values[i:i + _load] for i in ra... | output | 1 | 96,208 | 0 | 192,417 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,209 | 0 | 192,418 |
Tags: data structures
Correct Solution:
```
import sys
input = sys.stdin.readline
class SegmentTree:
a = ord('a')
def __init__(self):
data = [1 << ord(c) - self.a for c in input()[:-1]]
self.n = 1 << len(bin(len(data) - 1)) - 2
self.data = [0] * self.n + data + [0] * (self.n - len(da... | output | 1 | 96,209 | 0 | 192,419 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,210 | 0 | 192,420 |
Tags: data structures
Correct Solution:
```
import atexit
import io
import sys
_INPUT_LINES = sys.stdin.read().splitlines()
input = iter(_INPUT_LINES).__next__
_OUTPUT_BUFFER = io.StringIO()
sys.stdout = _OUTPUT_BUFFER
@atexit.register
def write():
sys.__stdout__.write(_OUTPUT_BUFFER.getvalue())
class ... | output | 1 | 96,210 | 0 | 192,421 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,211 | 0 | 192,422 |
Tags: data structures
Correct Solution:
```
class SegmentTree:
def __init__(self, n):
self.n = 2**(n-1).bit_length()
self.data = [0 for _ in range(2*self.n)]
def build(self, arr):
for i in range(len(arr)):
self.data[self.n+i] = 1<<arr[i]
for i in range(self.n-1, 0, ... | output | 1 | 96,211 | 0 | 192,423 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example, the substrings of "codeforces" are "code", "fo... | instruction | 0 | 96,212 | 0 | 192,424 |
Tags: data structures
Correct Solution:
```
# -*- coding: utf-8 -*-
# Baqir Khan
# Software Engineer (Backend)
from sys import stdin
inp = stdin.readline
class SegmentTree:
def __init__(self, values, default, func):
"""
Segment tree to find Value function for any segment of some array A.
... | output | 1 | 96,212 | 0 | 192,425 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,213 | 0 | 192,426 |
Yes | output | 1 | 96,213 | 0 | 192,427 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,214 | 0 | 192,428 |
Yes | output | 1 | 96,214 | 0 | 192,429 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,215 | 0 | 192,430 |
Yes | output | 1 | 96,215 | 0 | 192,431 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,216 | 0 | 192,432 |
Yes | output | 1 | 96,216 | 0 | 192,433 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,217 | 0 | 192,434 |
No | output | 1 | 96,217 | 0 | 192,435 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,218 | 0 | 192,436 |
No | output | 1 | 96,218 | 0 | 192,437 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,219 | 0 | 192,438 |
No | output | 1 | 96,219 | 0 | 192,439 |
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 Latin letters and q queries for this string.
Recall that the substring s[l; r] of the string s is the string s_l s_{l + 1} ... s_r. For example,... | instruction | 0 | 96,220 | 0 | 192,440 |
No | output | 1 | 96,220 | 0 | 192,441 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,324 | 0 | 192,648 |
Tags: dp, strings
Correct Solution:
```
n,m=map(int,input().split())
s=input().strip()
t=input().strip()
dp=[[0]*(m+1) for j in range(n+1)]
ans=0
for j in range(1,n+1):
for k in range(1,m+1):
if s[j-1]==t[k-1]:
dp[j][k]=max(0,dp[j-1][k-1]+2,dp[j-1][k]-1,dp[j][k-1]-1)
else:
dp... | output | 1 | 96,324 | 0 | 192,649 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,325 | 0 | 192,650 |
Tags: dp, strings
Correct Solution:
```
import sys
import math
def II():
return int(sys.stdin.readline())
def LI():
return list(map(int, sys.stdin.readline().split()))
def MI():
return map(int, sys.stdin.readline().split())
def SI():
return sys.stdin.readline().strip()
def FACT(n, mod):
s = 1
facts =... | output | 1 | 96,325 | 0 | 192,651 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,326 | 0 | 192,652 |
Tags: dp, strings
Correct Solution:
```
def LCS(str1,m,str2,n):
dp=[[0 for x in range(n)]for y in range(m)]
dp[0][0]=2 if str1[0]==str2[0] else 0
m_score=dp[0][0]
for x in range(1,n):
if str1[0]==str2[x]:
dp[0][x]=2
m_score=max(m_score,dp[0][x])
else:... | output | 1 | 96,326 | 0 | 192,653 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,327 | 0 | 192,654 |
Tags: dp, strings
Correct Solution:
```
m,n = map(int,input().split())
s1 = input()
s2 = input()
dp = [[0 for j in range(n+1)] for i in range(m+1)]
for i in range(m):
dp[i][n] = -i-1
for j in range(n):
dp[m][j] = -j-1
ans = 0
for i in range(m):
for j in range(n):
if s1[i]!=s2[j]:
dp[i]... | output | 1 | 96,327 | 0 | 192,655 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,328 | 0 | 192,656 |
Tags: dp, strings
Correct Solution:
```
#!/usr/bin/env python3.9
from operator import itemgetter
def maxS(A, B):
''' S(C,D) = 4*LCS(C,D) - |C| - |D| '''
# tuple(lcs, len(c), len(d)), len(c) <= len(d)
# zero-padding (1, 1, 0, 0)
# LCS = [[(0, 0, 0,)]*(len(B)+1) for _ in range(len(A)+1)]
# LCS = [[(... | output | 1 | 96,328 | 0 | 192,657 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,329 | 0 | 192,658 |
Tags: dp, strings
Correct Solution:
```
n,m=map(int,input().split())
s=input().strip()
t=input().strip()
dp=[[0]*(m+1) for j in range(n+1)]
ans=0
for j in range(1,n+1):
for k in range(1,m+1):
if s[j-1]==t[k-1]:
dp[j][k]=max(0,dp[j-1][k-1]+2)
else:
dp[j][k]=max(0,dp[j-1][k]-1,... | output | 1 | 96,329 | 0 | 192,659 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,330 | 0 | 192,660 |
Tags: dp, strings
Correct Solution:
```
import sys
import os
from io import BytesIO, IOBase
#Fast IO Region
BUFSIZE = 8192
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.mo... | output | 1 | 96,330 | 0 | 192,661 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two strings A and B representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, where LCS(C,D) denotes the length of the Longest C... | instruction | 0 | 96,331 | 0 | 192,662 |
Tags: dp, strings
Correct Solution:
```
import io, os
from math import *
def lcs(x, y):
n = len(x)
m = len(y)
dp = [[0]*(m+1) for _ in range(n+1)]
best = 0
for i in range(1, n+1):
for j in range(1, m+1):
opt1 = dp[i-1][j] - 1
opt2 = dp[i][j-1] - 1
opt3 ... | output | 1 | 96,331 | 0 | 192,663 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,332 | 0 | 192,664 |
Yes | output | 1 | 96,332 | 0 | 192,665 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,333 | 0 | 192,666 |
Yes | output | 1 | 96,333 | 0 | 192,667 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,334 | 0 | 192,668 |
Yes | output | 1 | 96,334 | 0 | 192,669 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,335 | 0 | 192,670 |
Yes | output | 1 | 96,335 | 0 | 192,671 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,336 | 0 | 192,672 |
No | output | 1 | 96,336 | 0 | 192,673 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,337 | 0 | 192,674 |
No | output | 1 | 96,337 | 0 | 192,675 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,338 | 0 | 192,676 |
No | output | 1 | 96,338 | 0 | 192,677 |
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 representing essays of two students who are suspected cheaters. For any two strings C, D we define their similarity score S(C,D) as 4⋅ LCS(C,D) - |C| - |D|, whe... | instruction | 0 | 96,339 | 0 | 192,678 |
No | output | 1 | 96,339 | 0 | 192,679 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Dreamoon has a string s and a pattern string p. He first removes exactly x characters from s obtaining string s' as a result. Then he calculates <image> that is defined as the maximal number of non-overlapping substrings equal to p that can ... | instruction | 0 | 96,521 | 0 | 193,042 |
Tags: dp, strings
Correct Solution:
```
s, p = input(), input()
n, m = len(s) + 1, len(p)
d = [[0] * n for t in range(n)]
for x in range(1, n):
i, j = x, m
while i and j:
j -= s[i - 1] == p[j - 1]
i -= 1
if not j:
for y in range(i + 1): d[x][y + x - i - m] = d[i][y] + 1
for y in ... | output | 1 | 96,521 | 0 | 193,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon has a string s and a pattern string p. He first removes exactly x characters from s obtaining string s' as a result. Then he calculates <image> that is defined as the maximal number of ... | instruction | 0 | 96,522 | 0 | 193,044 |
No | output | 1 | 96,522 | 0 | 193,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon has a string s and a pattern string p. He first removes exactly x characters from s obtaining string s' as a result. Then he calculates <image> that is defined as the maximal number of ... | instruction | 0 | 96,523 | 0 | 193,046 |
No | output | 1 | 96,523 | 0 | 193,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon has a string s and a pattern string p. He first removes exactly x characters from s obtaining string s' as a result. Then he calculates <image> that is defined as the maximal number of ... | instruction | 0 | 96,524 | 0 | 193,048 |
No | output | 1 | 96,524 | 0 | 193,049 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dreamoon has a string s and a pattern string p. He first removes exactly x characters from s obtaining string s' as a result. Then he calculates <image> that is defined as the maximal number of ... | instruction | 0 | 96,525 | 0 | 193,050 |
No | output | 1 | 96,525 | 0 | 193,051 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S of length N.
Find the maximum length of a non-empty string that occurs twice or more in S as contiguous substrings without overlapping.
More formally, find the maximum positive integer len such that there exist integers l_1 and ... | instruction | 0 | 96,762 | 0 | 193,524 |
"Correct Solution:
```
N = int(input())
S = input()
dp = [[0]*N for i in range(N)]
pm = 0
ans = 0
for i in range(N-1,0,-1):
for j in range(i-1,-1,-1):
if S[i]==S[j]:
if i<N-1:
dp[i][j] = min(dp[i+1][j+1]+1, i-j)
else:
dp[i][j] = 1
else:
dp[i][j] = 0
if dp[i][j]>ans:
... | output | 1 | 96,762 | 0 | 193,525 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S of length N.
Find the maximum length of a non-empty string that occurs twice or more in S as contiguous substrings without overlapping.
More formally, find the maximum positive integer len such that there exist integers l_1 and ... | instruction | 0 | 96,763 | 0 | 193,526 |
"Correct Solution:
```
def main():
n=int(input())
s=input()
dp=[[0]*(n+1) for i in range(n+1)]
ans=0
for i in reversed(range(n)):
for j in reversed(range(i+1,n)):
if s[i]==s[j]:
dp[i][j]=dp[i+1][j+1]+1
ans=max(ans,min(j-i,dp[i][j]))
print(ans)
if __name__=='__main__':
m... | output | 1 | 96,763 | 0 | 193,527 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S of length N.
Find the maximum length of a non-empty string that occurs twice or more in S as contiguous substrings without overlapping.
More formally, find the maximum positive integer len such that there exist integers l_1 and ... | instruction | 0 | 96,764 | 0 | 193,528 |
"Correct Solution:
```
I=input;n=int(I());s=I();j=1;r=[]
for i in range(n):
while (j<n)and(s[i:j] in s[j:]):j+=1
r.append(j-i-1)
print(max(r))
``` | output | 1 | 96,764 | 0 | 193,529 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S of length N.
Find the maximum length of a non-empty string that occurs twice or more in S as contiguous substrings without overlapping.
More formally, find the maximum positive integer len such that there exist integers l_1 and ... | instruction | 0 | 96,765 | 0 | 193,530 |
"Correct Solution:
```
N = int(input())
S = input()
ans = 0
dp = [0] * N
for i in range(N - 1):
dp2 = dp[:]
for j in range(i + 1, N):
if S[i] == S[j] and j - i > dp2[j-1]:
dp[j] = dp2[j-1] + 1
ans = max(ans, dp[j])
else:
dp[j] = 0
print(ans)
``` | output | 1 | 96,765 | 0 | 193,531 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S of length N.
Find the maximum length of a non-empty string that occurs twice or more in S as contiguous substrings without overlapping.
More formally, find the maximum positive integer len such that there exist integers l_1 and ... | instruction | 0 | 96,766 | 0 | 193,532 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
def main():
n = int(input())
s = input()[::-1]
ans = 0
l = 0
r = 1
for r in range(1,n):
if s[l:r] in s[r:]:
ans=r-l
else:
l += 1
print(ans)
main()
``` | output | 1 | 96,766 | 0 | 193,533 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S of length N.
Find the maximum length of a non-empty string that occurs twice or more in S as contiguous substrings without overlapping.
More formally, find the maximum positive integer len such that there exist integers l_1 and ... | instruction | 0 | 96,767 | 0 | 193,534 |
"Correct Solution:
```
n=int(input())
s=input()
ans=i=0
j=1
while j<n:
t=s[i:j]
if t in s[j:]:
ans=max(ans,j-i)
j+=1
else:
i+=1
print(ans)
``` | output | 1 | 96,767 | 0 | 193,535 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S of length N.
Find the maximum length of a non-empty string that occurs twice or more in S as contiguous substrings without overlapping.
More formally, find the maximum positive integer len such that there exist integers l_1 and ... | instruction | 0 | 96,768 | 0 | 193,536 |
"Correct Solution:
```
N = int(input())
S = input()
ans = 0
right = 0
for left in range(N - 1):
while right < N and (S[left : right] in S[right :]):
right += 1
if left == right:
right += 1
ans = max(ans, right - left - 1)
print(ans)
``` | output | 1 | 96,768 | 0 | 193,537 |
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