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.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,179 | 0 | 112,358 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
#############
# Libraries #
#############
import sys
input = sys.stdin.readline
import math
#from math import gcd
import bisect
import heapq
from collections import defaultdict
from collections import deque
from collections import Counter
from functools import lru_cache... | output | 1 | 56,179 | 0 | 112,359 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,180 | 0 | 112,360 |
"Correct Solution:
```
s,k = input().split()
K = int(k)
if s[-1] == "1":
s += "0"
n = len(s)
ls = []
cnt = 0
for i in range(n):
if s[i] == "0":
ls.append(cnt)
cnt = 0
else:
cnt += 1
l = len(ls)
sm = sum(ls)
mod = 998244353
dp = [[[0 for i in range(sm+1)] for j in range(sm+1)] for k in range(l+1)]
dp[0... | output | 1 | 56,180 | 0 | 112,361 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,181 | 0 | 112,362 |
"Correct Solution:
```
def main():
mod = 998244353
s, k = input().split()
k = int(k)
n = len(s)
one = s.count("1")
cnt = 0
zero_list = []
for i in range(n):
if s[i] == "0":
zero_list.append(cnt)
cnt = 0
else:
cnt += 1
z = 0
m... | output | 1 | 56,181 | 0 | 112,363 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,182 | 0 | 112,364 |
"Correct Solution:
```
S,Kstring = input().split()
K = int(Kstring)
lastZero = -1
segment = []
MOD = 998244353
N = len(S)
for i in range(N):
if S[i] == '0':
segment.append(i - lastZero - 1)
lastZero = i
segment.append(N - 1 - lastZero)
M = len(segment)
No1 = N + 1 - M
partialSumSegment = []
for i... | output | 1 | 56,182 | 0 | 112,365 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,183 | 0 | 112,366 |
"Correct Solution:
```
s,k = input().split()
mod = 998244353
k = int(k)
k = min(300,k)
raw = [0]
l = len(s)
for i in range(l):
if s[i] == '0':
raw.append(0)
else:
raw[-1] += 1
#print(raw)
now = [[0 for _ in range(k+1)] for _ in range(k+1)]
l = len(raw)
raw.reverse()
#print(raw)
now[0][0] = 1
for x in raw:
... | output | 1 | 56,183 | 0 | 112,367 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,184 | 0 | 112,368 |
"Correct Solution:
```
S,K = input().split()
A = list(map(len,S.split("0")))
A[0] = 0
A.append(0)
N = len(A)
K = int(K)
K = min(K,S.count("1"))
MOD = 998244353
dp = [[[0]*(K+1) for _ in [0]*(K+1)] for _ in [0]*N]
dp[-1][0][0] = 1
for i in range(1,N):
i = N-1-i
for k in range(K+1):
for n in range(K+1)... | output | 1 | 56,184 | 0 | 112,369 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,185 | 0 | 112,370 |
"Correct Solution:
```
def main():
mod = 998244353
s, k = input().split()
k, n, o, cnt, z, zero_list = int(k), len(s), s.count("1")+1, 0, 0, []
for i in range(n):
if s[i] == "0":
zero_list.append(cnt)
cnt = 0
else:
cnt += 1
m = min(o, k+1)
dp ... | output | 1 | 56,185 | 0 | 112,371 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choose a pair of integers i, j (1\leq i < j\leq |S|) such th... | instruction | 0 | 56,186 | 0 | 112,372 |
"Correct Solution:
```
s,k=input().split();k,o,c,z,L,O=int(k),s.count("1")+1,0,0,[],998244353;M,r=min(o,k+1),range
for i in s:
if i=="0":L+=[c];c=0
else:c+=1
d=[[0]*M for _ in r(o)];d[0][0]=1
for i in L:
D=[[0]*M for _ in r(o)]
for j in r(o):
for l in r(max(z+i-j,0),o-j):
m=max(l-i,0)
for p in r(min(j+1,M-m... | output | 1 | 56,186 | 0 | 112,373 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choo... | instruction | 0 | 56,187 | 0 | 112,374 |
Yes | output | 1 | 56,187 | 0 | 112,375 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S between 0 and K times (inclusive):
* Choo... | instruction | 0 | 56,188 | 0 | 112,376 |
Yes | output | 1 | 56,188 | 0 | 112,377 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The length of the longest common prefix of two strings s=s_1 s_2 … s_n and t = t_1 t_2 … t_m is defined as the maximum k ≤ min(n, m) such that s_1 s_2 … s_k equals t_1 t_2 … t_k. Let's denote th... | instruction | 0 | 56,424 | 0 | 112,848 |
No | output | 1 | 56,424 | 0 | 112,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The length of the longest common prefix of two strings s=s_1 s_2 … s_n and t = t_1 t_2 … t_m is defined as the maximum k ≤ min(n, m) such that s_1 s_2 … s_k equals t_1 t_2 … t_k. Let's denote th... | instruction | 0 | 56,425 | 0 | 112,850 |
No | output | 1 | 56,425 | 0 | 112,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The length of the longest common prefix of two strings s=s_1 s_2 … s_n and t = t_1 t_2 … t_m is defined as the maximum k ≤ min(n, m) such that s_1 s_2 … s_k equals t_1 t_2 … t_k. Let's denote th... | instruction | 0 | 56,426 | 0 | 112,852 |
No | output | 1 | 56,426 | 0 | 112,853 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,471 | 0 | 112,942 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
s = input()[::-1]
ans=''
c=0
for i in s:
if i=='0':
ans+='0'
c+=1
elif c>0:
ans+='1'
c-=1
else:
ans+='0'
print(ans[::-1])
``` | output | 1 | 56,471 | 0 | 112,943 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,472 | 0 | 112,944 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
''' Hey stalker :) '''
INF = 10**10
def main():
print = out.append
''' Cook your dish here! '''
st = list(input())
stk = []
for index, i in enumerate(st):
if i=='0' and len(stk)>0 and stk[-1][0]=='1':
stk.pop()
... | output | 1 | 56,472 | 0 | 112,945 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,473 | 0 | 112,946 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
import sys
input = sys.stdin.readline
def solve():
i = 0
s = list(input().strip())
st = []
for c in s:
if c == '1':
st.append(i)
elif len(st) > 0:
st.pop()
i += 1
for i in st:
s[i] = '0'
print(''.join(s))
solve()
``` | output | 1 | 56,473 | 0 | 112,947 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,474 | 0 | 112,948 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
s=[int(x) for x in list(input())]
n=len(s)
b=[0]*n
counter=0
for i in range(n-1,-1,-1):
if s[i]==0:
counter+=1
elif counter>0:
counter-=1
else:
s[i]=0
arr=''
for item in s:
arr+=str(item)
print(arr)
``` | output | 1 | 56,474 | 0 | 112,949 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,475 | 0 | 112,950 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
s=input()
a,b,c=[],[],[]
count=0
for i in range(len(s)-1,-1,-1):
a.append(s[i])
for i in range(len(a)):
if(a[i]=='0'):
count+=1
b.append('0')
elif(a[i]=='1' and count>0):
count-=1
b.append('1')
elif(a[i]... | output | 1 | 56,475 | 0 | 112,951 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,476 | 0 | 112,952 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
s = input()
t = list(s)
stack =[]
for i in range(len(s)):
if t[i]=='1':
stack.append(i)
elif len(stack):
stack.pop()
for i in range(len(stack)):
t[stack[i]] = '0'
print(''.join(t))
``` | output | 1 | 56,476 | 0 | 112,953 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,477 | 0 | 112,954 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
s=input()
ans=['0' for i in range(len(s))]
st=[]
for i in range(len(s)):
if s[i]=='0':
if len(st):
ans[st.pop()]='1'
else:
st.append(i)
print(''.join(ans))
``` | output | 1 | 56,477 | 0 | 112,955 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
Kirk has a binary string s (a string which con... | instruction | 0 | 56,478 | 0 | 112,956 |
Tags: data structures, greedy, math, strings
Correct Solution:
```
S = input()
N = len(S)
p = q = 0
prv = S[0]
c = 0
C = []
if S[0] == '1':
C.append(0)
for ch in S:
if ch != prv:
C.append(c)
c = 1
prv = ch
else:
c += 1
C.append(c)
ans = []
r = 0
L = len(C)
for i in range(L-... | output | 1 | 56,478 | 0 | 112,957 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,479 | 0 | 112,958 |
Yes | output | 1 | 56,479 | 0 | 112,959 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,480 | 0 | 112,960 |
Yes | output | 1 | 56,480 | 0 | 112,961 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,481 | 0 | 112,962 |
Yes | output | 1 | 56,481 | 0 | 112,963 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,482 | 0 | 112,964 |
Yes | output | 1 | 56,482 | 0 | 112,965 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,483 | 0 | 112,966 |
No | output | 1 | 56,483 | 0 | 112,967 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,484 | 0 | 112,968 |
No | output | 1 | 56,484 | 0 | 112,969 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,485 | 0 | 112,970 |
No | output | 1 | 56,485 | 0 | 112,971 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the length of the string. You can hack this problem if you solve it. But you can hack the previous problem only if you solve both problems.
... | instruction | 0 | 56,486 | 0 | 112,972 |
No | output | 1 | 56,486 | 0 | 112,973 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a string s of lowercase English letters. A cursor is positioned on one of the characters. The cursor can be moved with the following operation: choose a letter c and a direction (left o... | instruction | 0 | 56,503 | 0 | 113,006 |
No | output | 1 | 56,503 | 0 | 113,007 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,592 | 0 | 113,184 |
Tags: constructive algorithms, greedy
Correct Solution:
```
for _ in range(int(input())):
#n = int(input())
n,k=map(int, input().split())
#arr=list(map(int, input().split()))
s="abc"*(n//3)
if n%3==1:
s+="a"
elif n%3==2:
s+="ab"
print(s)
``` | output | 1 | 56,592 | 0 | 113,185 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,593 | 0 | 113,186 |
Tags: constructive algorithms, greedy
Correct Solution:
```
t=int(input())
for _ in range(t):
n,k=map(int,input().split())
for i in range(n):
if i%3 == 1:
print("a",end="")
if i%3 == 2:
print("b",end="")
if i%3 == 0:
print("c",end="")
print()
``` | output | 1 | 56,593 | 0 | 113,187 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,594 | 0 | 113,188 |
Tags: constructive algorithms, greedy
Correct Solution:
```
"""
// Author : snape_here - Susanta Mukherjee
"""
from __future__ import division, print_function
import os,sys
from io import BytesIO, IOBase
if sys.version_info[0] < 3:
from __builtin__ import xrange as range
from future_builtins import... | output | 1 | 56,594 | 0 | 113,189 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,595 | 0 | 113,190 |
Tags: constructive algorithms, greedy
Correct Solution:
```
t=int(input())
for _ in range(t):
n,k=map(int,input().split())
for i in range(n):
print(chr(ord('a')+i%3),end='')
print()
``` | output | 1 | 56,595 | 0 | 113,191 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,596 | 0 | 113,192 |
Tags: constructive algorithms, greedy
Correct Solution:
```
t = int(input())
def solve():
n,k = map(int, input().split())
ans = []
i = 0
done = False
while(True):
if(done):
break
for c in "abc":
ans.append(c)
i+=1
if(i == n):
... | output | 1 | 56,596 | 0 | 113,193 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,597 | 0 | 113,194 |
Tags: constructive algorithms, greedy
Correct Solution:
```
t=int(input())
import math
for i in range(0,t):
nm = input().split()
n = int(nm[0])
k = int(nm[1])
k_1 = 3*k
x= math.ceil(n/k_1)
string= ""
output_string = ""
out_1 = ""
for i in range(0,k):
string = string+"a"
... | output | 1 | 56,597 | 0 | 113,195 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,598 | 0 | 113,196 |
Tags: constructive algorithms, greedy
Correct Solution:
```
def read_int():
return int(input())
def read_ints():
return map(int, input().split(' '))
t = read_int()
for case_num in range(t):
n, k = read_ints()
print(('abc' * n)[:n])
``` | output | 1 | 56,598 | 0 | 113,197 |
Provide tags and a correct Python 3 solution for this coding contest problem.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularly difficult, but Joe's generated string had to ... | instruction | 0 | 56,599 | 0 | 113,198 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys
import math
import bisect
from sys import stdin, stdout
from math import gcd, floor, sqrt, log
from collections import defaultdict as dd
from bisect import bisect_left as bl, bisect_right as br
from collections import Counter
from collections import... | output | 1 | 56,599 | 0 | 113,199 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,600 | 0 | 113,200 |
Yes | output | 1 | 56,600 | 0 | 113,201 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,601 | 0 | 113,202 |
Yes | output | 1 | 56,601 | 0 | 113,203 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,602 | 0 | 113,204 |
Yes | output | 1 | 56,602 | 0 | 113,205 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,603 | 0 | 113,206 |
Yes | output | 1 | 56,603 | 0 | 113,207 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,604 | 0 | 113,208 |
No | output | 1 | 56,604 | 0 | 113,209 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,605 | 0 | 113,210 |
No | output | 1 | 56,605 | 0 | 113,211 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,606 | 0 | 113,212 |
No | output | 1 | 56,606 | 0 | 113,213 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One fall day Joe got bored because he couldn't find himself something interesting to do. Marty suggested Joe to generate a string of length n to entertain him somehow. It didn't seem particularl... | instruction | 0 | 56,607 | 0 | 113,214 |
No | output | 1 | 56,607 | 0 | 113,215 |
Provide a correct Python 3 solution for this coding contest problem.
For given two sequences $X$ and $Y$, a sequence $Z$ is a common subsequence of $X$ and $Y$ if $Z$ is a subsequence of both $X$ and $Y$. For example, if $X = \\{a,b,c,b,d,a,b\\}$ and $Y = \\{b,d,c,a,b,a\\}$, the sequence $\\{b,c,a\\}$ is a common subs... | instruction | 0 | 57,123 | 0 | 114,246 |
"Correct Solution:
```
for i in range(int(input())):
s=input()
t=input()
a=[0]
for i in s:
for j in range(len(a)-1,-1,-1):
b=t.find(i,a[j])+1
if b:
if j+1<len(a):
a[j+1]=min(a[j+1],b)
else:
a.append(b... | output | 1 | 57,123 | 0 | 114,247 |
Provide a correct Python 3 solution for this coding contest problem.
For given two sequences $X$ and $Y$, a sequence $Z$ is a common subsequence of $X$ and $Y$ if $Z$ is a subsequence of both $X$ and $Y$. For example, if $X = \\{a,b,c,b,d,a,b\\}$ and $Y = \\{b,d,c,a,b,a\\}$, the sequence $\\{b,c,a\\}$ is a common subs... | instruction | 0 | 57,124 | 0 | 114,248 |
"Correct Solution:
```
# novel様のコードを借りて提出のテストです。失礼します
def lcs(s1, s2):
dp = []
for s2_k in s2:
bgn_idx = 0
for i, cur_idx in enumerate(dp):
chr_idx = s1.find(s2_k, bgn_idx) + 1
if not chr_idx:
break
dp[i] = min(cur_idx, chr_idx)
bgn... | output | 1 | 57,124 | 0 | 114,249 |
Provide a correct Python 3 solution for this coding contest problem.
For given two sequences $X$ and $Y$, a sequence $Z$ is a common subsequence of $X$ and $Y$ if $Z$ is a subsequence of both $X$ and $Y$. For example, if $X = \\{a,b,c,b,d,a,b\\}$ and $Y = \\{b,d,c,a,b,a\\}$, the sequence $\\{b,c,a\\}$ is a common subs... | instruction | 0 | 57,125 | 0 | 114,250 |
"Correct Solution:
```
def lcs_hs(s1, s2):
from bisect import bisect_left
p = []
append_p = p.append
for i, c in enumerate(s1):
j = s2.find(c)+1
while j:
append_p((i, -j))
j = s2.find(c, j)+1
lis, result = [], 0
append_lis = lis.append
for _, y in so... | output | 1 | 57,125 | 0 | 114,251 |
Provide a correct Python 3 solution for this coding contest problem.
For given two sequences $X$ and $Y$, a sequence $Z$ is a common subsequence of $X$ and $Y$ if $Z$ is a subsequence of both $X$ and $Y$. For example, if $X = \\{a,b,c,b,d,a,b\\}$ and $Y = \\{b,d,c,a,b,a\\}$, the sequence $\\{b,c,a\\}$ is a common subs... | instruction | 0 | 57,126 | 0 | 114,252 |
"Correct Solution:
```
def lcs(X,Y):
res = [0 for i in range(len(X)+1)]
for y in Y:
previous = res[:]
for i,x in enumerate(X):
if x == y:
res[i+1] = previous[i] + 1
elif res[i] > previous[i+1]:
res[i+1] = res[i]
return res[-1]
n = int(... | output | 1 | 57,126 | 0 | 114,253 |
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