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 tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 97 | 0 | 194 |
Tags: dp, strings
Correct Solution:
```
n, k = map(int, input().split())
s = input()
ns = len(s)
pos = [0 for i in range(26)]
dp = [[0 for j in range(ns + 1)] for i in range(ns + 1)]
dp[0][0] = 1
for i in range(1, ns + 1):
v = ord(s[i - 1]) - ord('a')
for j in range(0, i + 1):
if j > 0:
dp... | output | 1 | 97 | 0 | 195 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 98 | 0 | 196 |
Tags: dp, strings
Correct Solution:
```
def super_solve(n, k, s):
last = []
for i in range (0, 256):
last.append(0)
dp = []
for i in range (0, 105):
tmp = []
for j in range (0, 105):
tmp.append(0)
dp.append( tmp )
now = []
for i in range (0, 105):
tmp = []
for j in range (0, 105):
tmp.append(0... | output | 1 | 98 | 0 | 197 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 99 | 0 | 198 |
Tags: dp, strings
Correct Solution:
```
# NUMBER OF DISTINCT SUBSEQUENCES OF EVERY LENGTH K FOR 0<=K<=len(s)
n,k=map(int,input().split())
s=input()
pos=[-1]*26
lst=[]
for i in range(0,len(s)):
pos[ord(s[i])-97]=i
h=[]
for j in range(26):
h.append(pos[j])
lst.append(h)
dp=[]
for i in range(n... | output | 1 | 99 | 0 | 199 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 100 | 0 | 200 |
Tags: dp, strings
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
# region fastio
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.... | output | 1 | 100 | 0 | 201 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 101 | 0 | 202 |
Tags: dp, strings
Correct Solution:
```
from sys import stdin
n, k = [int(i) for i in stdin.readline().strip().split()]
s = stdin.readline().strip()
def get_f(s):
F = [len(s) * [0] for _ in range((len(s) + 1))]
size = 0
for index in range(len(s)):
F[size][index] = 1
F[1][0] = 1
p = {s[0]... | output | 1 | 101 | 0 | 203 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 102 | 0 | 204 |
Tags: dp, strings
Correct Solution:
```
def naiveSolve():
return
def charToInt(c): #'a'->0
return ord(c)-ord('a')
def main():
n,k=readIntArr()
s=input()
arr=[charToInt(c) for c in s]
dp=[[0 for _ in range(n+1)] for __ in range(n)]
# dp[i][l]
for i in range(n):... | output | 1 | 102 | 0 | 205 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 103 | 0 | 206 |
Tags: dp, strings
Correct Solution:
```
def main():
from sys import stdin
input = stdin.readline
# input = open('25-B.txt', 'r').readline
n, k = map(int, input().split())
s = input()[:-1]
dp = [[0] * 26 for i in range(n + 1)]
dp[0][0] = 1
for ch in s:
j = ord(ch) - ord('a')
... | output | 1 | 103 | 0 | 207 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the order of the remaining symbols. Characters to b... | instruction | 0 | 104 | 0 | 208 |
Tags: dp, strings
Correct Solution:
```
[n, k] = [int(i) for i in input().split()]
s = input()
cntsz = [0 for i in range(105)]
dp = [[0 for i in range(105)] for j in range(105)]
lst = [0 for i in range(105)]
prv = [0 for i in range(26)]
n = len(s)
s = '%' + s
for i in range(n + 1):
dp[i][0]=1
for i in range(1, n + 1)... | output | 1 | 104 | 0 | 209 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 105 | 0 | 210 |
Yes | output | 1 | 105 | 0 | 211 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 106 | 0 | 212 |
Yes | output | 1 | 106 | 0 | 213 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 107 | 0 | 214 |
Yes | output | 1 | 107 | 0 | 215 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 108 | 0 | 216 |
Yes | output | 1 | 108 | 0 | 217 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 109 | 0 | 218 |
No | output | 1 | 109 | 0 | 219 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 110 | 0 | 220 |
No | output | 1 | 110 | 0 | 221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 111 | 0 | 222 |
No | output | 1 | 111 | 0 | 223 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard versions is constraints.
A subsequence is a string that can be derived from another string by deleting some or no symbols without changing the ... | instruction | 0 | 112 | 0 | 224 |
No | output | 1 | 112 | 0 | 225 |
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 and an array of strings [t_1, t_2, ..., t_k]. Each string t_i consists of lowercase Latin letters from a to n; S consists of lowercase Latin letters from a to n and no m... | instruction | 0 | 176 | 0 | 352 |
No | output | 1 | 176 | 0 | 353 |
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 and an array of strings [t_1, t_2, ..., t_k]. Each string t_i consists of lowercase Latin letters from a to n; S consists of lowercase Latin letters from a to n and no m... | instruction | 0 | 177 | 0 | 354 |
No | output | 1 | 177 | 0 | 355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nick likes strings very much, he likes to rotate them, sort them, rearrange characters within a string... Once he wrote a random string of characters a, b, c on a piece of paper and began to per... | instruction | 0 | 253 | 0 | 506 |
No | output | 1 | 253 | 0 | 507 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,013 | 0 | 2,026 |
Tags: implementation, strings
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
from collections import Counter as count_values
import math
def input_data():
return list(map(int,input().split()))
def source():
string = input()
data = []
output = ''
j = 0
for i i... | output | 1 | 1,013 | 0 | 2,027 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,014 | 0 | 2,028 |
Tags: implementation, strings
Correct Solution:
```
for z in range(int(input())):
b = list(input())
a = [b[0]]
for x in range(1, len(b), 2):
a.append(b[x])
print(''.join(a))
``` | output | 1 | 1,014 | 0 | 2,029 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,015 | 0 | 2,030 |
Tags: implementation, strings
Correct Solution:
```
from sys import stdin
for _ in range (int(stdin.readline())):
b=stdin.readline().strip()
a=b[0]
for i in range (1,len(b)-1,2):
a+=b[i]
a+=b[len(b)-1]
print(a)
``` | output | 1 | 1,015 | 0 | 2,031 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,016 | 0 | 2,032 |
Tags: implementation, strings
Correct Solution:
```
for _ in range(int(input())):
s=input()
we=len(s)
if we==2:
print(s)
else:
ans=s[0]
for i in range(1,we-1,2):
ans+=s[i]
ans+=s[-1]
print(ans)
``` | output | 1 | 1,016 | 0 | 2,033 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,017 | 0 | 2,034 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
for i in range(n):
temp = input()
print(temp[0] + temp[1:len(temp) - 1:2] + temp[len(temp)-1])
``` | output | 1 | 1,017 | 0 | 2,035 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,018 | 0 | 2,036 |
Tags: implementation, strings
Correct Solution:
```
t = int(input())
for z in range(t):
s = input()
if(len(s)<3):
print(s)
else:
r=s[0]
i=1
while(i<len(s)):
r+=s[i]
i+=2
print(r)
``` | output | 1 | 1,018 | 0 | 2,037 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,019 | 0 | 2,038 |
Tags: implementation, strings
Correct Solution:
```
t=int(input())
for i in range(0,t):
b=input()
l=len(b)
a=b[0]
j=1
while j<(l-1) :
a=a+b[j]
j=j+2
a=a+b[l-1]
print(a)
``` | output | 1 | 1,019 | 0 | 2,039 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then, from string a he builds a new string b and off... | instruction | 0 | 1,020 | 0 | 2,040 |
Tags: implementation, strings
Correct Solution:
```
def solve(b):
a = list()
l = len(b)
for i in range(0, l, 2):
a.append(b[i])
# append the last character if the length of b is even, it would be missed up the above loop
if l % 2 == 0:
a.append(b[-1])
return "".join(a)
if _... | output | 1 | 1,020 | 0 | 2,041 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,021 | 0 | 2,042 |
Yes | output | 1 | 1,021 | 0 | 2,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,022 | 0 | 2,044 |
Yes | output | 1 | 1,022 | 0 | 2,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,023 | 0 | 2,046 |
Yes | output | 1 | 1,023 | 0 | 2,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,024 | 0 | 2,048 |
Yes | output | 1 | 1,024 | 0 | 2,049 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,025 | 0 | 2,050 |
No | output | 1 | 1,025 | 0 | 2,051 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,026 | 0 | 2,052 |
No | output | 1 | 1,026 | 0 | 2,053 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,027 | 0 | 2,054 |
No | output | 1 | 1,027 | 0 | 2,055 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice guesses the strings that Bob made for her.
At first, Bob came up with the secret string a consisting of lowercase English letters. The string a has a length of 2 or more characters. Then,... | instruction | 0 | 1,028 | 0 | 2,056 |
No | output | 1 | 1,028 | 0 | 2,057 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,099 | 0 | 2,198 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
input = sys.stdin.readline
mod = 998244353
n, k = map(int, input().split())
A = list(map(int, input().split()))
rank = [0] * (n + 1)
for i, a in enumerate(A):
rank[a] = i
rank[n] = -1
cnt = 0
for i in range(n - 1):
if rank[A[i]... | output | 1 | 1,099 | 0 | 2,199 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,100 | 0 | 2,200 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
import os, sys
from io import BytesIO, IOBase
from math import ceil
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x... | output | 1 | 1,100 | 0 | 2,201 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,101 | 0 | 2,202 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
m = 998244353
n,k = [ int(d) for d in input().split()]
a = [ int(d) for d in input().split()]
d = {}
for i in range(n):
d[a[i]] = i
e = 0
d[n] = -1
for i in range(n-1):
if (d[a[i]+1] < d[a[i+1]+1]):
e = e + 1
if (k+e < n):
print(0)
else:
... | output | 1 | 1,101 | 0 | 2,203 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,102 | 0 | 2,204 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
input = sys.stdin.buffer.readline
mod = 998244353
n,k = map(int,input().split())
s = list(map(int,input().split()))
pos = [-1]*(n+1)
for i in range(n):
pos[s[i]] = i
increases = 0
for i in range(n-1):
increases += pos[s[i... | output | 1 | 1,102 | 0 | 2,205 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,103 | 0 | 2,206 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
MOD=998244353;n,k=map(int,input().split());arr=list(map(int,input().split()));pos=[0]*(n+1)
for i in range(n):pos[arr[i]]=i
pos[n]=-1;cnt=0;num,denom=1,1
for i in range(n-1):
if (pos[arr[i]+1]>pos[arr[i+1]+1]): cnt+=1
for i in range(n):num=num*(k... | output | 1 | 1,103 | 0 | 2,207 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,104 | 0 | 2,208 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
from sys import stdin
mod = 998244353
def modfac(n, MOD):
f = 1
factorials = [1]
for m in range(1, n + 1):
f *= m
f %= MOD
factorials.append(f)
inv = pow(f, MOD - 2, MOD)
invs = [1] * (n + ... | output | 1 | 1,104 | 0 | 2,209 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,105 | 0 | 2,210 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().rstrip()
P = 998244353
nn = 404040
fa = [1] * (nn+1)
fainv = [1] * (nn+1)
for i in range(nn):
fa[i+1] = fa[i] * (i+1) % P
fainv[-1] = pow(fa[-1], P-2, P)
for i in range(nn)[::-1]:
fainv[i] ... | output | 1 | 1,105 | 0 | 2,211 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count the number of strings that produce such a suffix... | instruction | 0 | 1,106 | 0 | 2,212 |
Tags: combinatorics, constructive algorithms, math
Correct Solution:
```
MOD = 998244353
n, k = map(int, input().split())
arr = list(map(int, input().split()))
pos = [-1] * (n+1)
for i, a in enumerate(arr):
pos[a] = i
pos[-1] = -1
for i in range(n-1):
if pos[arr[i]+1] < pos[arr[i+1]+1]:
k += 1
if k < ... | output | 1 | 1,106 | 0 | 2,213 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count t... | instruction | 0 | 1,107 | 0 | 2,214 |
Yes | output | 1 | 1,107 | 0 | 2,215 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count t... | instruction | 0 | 1,108 | 0 | 2,216 |
Yes | output | 1 | 1,108 | 0 | 2,217 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count t... | instruction | 0 | 1,109 | 0 | 2,218 |
Yes | output | 1 | 1,109 | 0 | 2,219 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Once upon a time, Oolimry saw a suffix array. He wondered how many strings can produce this suffix array.
More formally, given a suffix array of length n and having an alphabet size k, count t... | instruction | 0 | 1,110 | 0 | 2,220 |
No | output | 1 | 1,110 | 0 | 2,221 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Tomorrow Ann takes the hardest exam of programming where she should get an excellent mark.
On the last theoretical class the teacher introduced the notion of a half-palindrome.
String t is a... | instruction | 0 | 1,268 | 0 | 2,536 |
No | output | 1 | 1,268 | 0 | 2,537 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Jenya has recently acquired quite a useful tool — k-scissors for cutting strings. They are generally used for cutting out two non-intersecting substrings of length k from an arbitrary string s (... | instruction | 0 | 1,420 | 0 | 2,840 |
No | output | 1 | 1,420 | 0 | 2,841 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Jenya has recently acquired quite a useful tool — k-scissors for cutting strings. They are generally used for cutting out two non-intersecting substrings of length k from an arbitrary string s (... | instruction | 0 | 1,421 | 0 | 2,842 |
No | output | 1 | 1,421 | 0 | 2,843 |
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