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.
Genos recently installed the game Zuma on his phone. In Zuma there exists a line of n gemstones, the i-th of which has color ci. The goal of the game is to destroy all the gemstones in the line as quickly as possible.
In one second, Genos i... | instruction | 0 | 70,259 | 0 | 140,518 |
Tags: dp
Correct Solution:
```
from sys import stdin,stdout
for _ in range(1):#(stdin.readline())):
n=int(stdin.readline())
# n,m=list(map(int,stdin.readline().split()))
a=list(map(int,stdin.readline().split()))
dp=[[0 for _ in range(n)] for _ in range(n)]
for sz in range(n):
for i in range(... | output | 1 | 70,259 | 0 | 140,519 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Genos recently installed the game Zuma on his phone. In Zuma there exists a line of n gemstones, the i-th of which has color ci. The goal of the game is to destroy all the gemstones in the line as quickly as possible.
In one second, Genos i... | instruction | 0 | 70,265 | 0 | 140,530 |
Tags: dp
Correct Solution:
```
# by the authority of GOD author: manhar singh sachdev #
import os,sys
from io import BytesIO,IOBase
from array import array
def main():
n = int(input())
c = array('i',map(int,input().split()))
dp = [array('i',[0]*n) for _ in range(n)]
for i in range(n):
dp[i][... | output | 1 | 70,265 | 0 | 140,531 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Genos recently installed the game Zuma on his phone. In Zuma there exists a line of n gemstones, the i-th of which has color ci. The goal of the game is to destroy all the gemstones in the line as quickly as possible.
In one second, Genos i... | instruction | 0 | 70,266 | 0 | 140,532 |
Tags: dp
Correct Solution:
```
from math import inf
n=int(input())
s=[int(X) for X in input().split()]
dp=[[inf for i in range(n)] for j in range(n)]
isdp=[[0 for i in range(n)] for j in range(n)]
for i in range(n):
isdp[i][i]=1
for i in range(1,n):
for j in range(n):
if i+j>=n:
break
... | output | 1 | 70,266 | 0 | 140,533 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Genos recently installed the game Zuma on his phone. In Zuma there exists a line of n gemstones, the i-th of which has color ci. The goal of the game is to destroy all the gemstones in the line as quickly as possible.
In one second, Genos i... | instruction | 0 | 70,267 | 0 | 140,534 |
Tags: dp
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_num():
return int(raw_input())
def in_arr():
return map(int,raw_input().split())
def pr_num(n):
... | output | 1 | 70,267 | 0 | 140,535 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S. Each character in S is either a digit (`0`, ..., `9`) or `?`.
Among the integers obtained by replacing each occurrence of `?` with a digit, how many have a remainder of 5 when divided by 13? An integer may begin with 0.
Since t... | instruction | 0 | 70,546 | 0 | 141,092 |
"Correct Solution:
```
s = input()
mod = 10**9 + 7
n = len(s)
dp = [[0] * 13 for i in range(n+1)]
dp[0][0] = 1
for i in range(n):
ss = s[i]
for j in range(13):
if ss == '?':
for k in range(10):
dp[i+1][(j*10+k)%13] += dp[i][j]
else:
dp[i+1][(j*10+int(ss))%... | output | 1 | 70,546 | 0 | 141,093 |
Provide a correct Python 3 solution for this coding contest problem.
Welcome to CODE FESTIVAL 2016! In order to celebrate this contest, find a string s that satisfies the following conditions:
* The length of s is between 1 and 5000, inclusive.
* s consists of uppercase letters.
* s contains exactly K occurrences of ... | instruction | 0 | 70,635 | 0 | 141,270 |
"Correct Solution:
```
import math
import sys
input = sys.stdin.readline
k = int(input())
n = 512
pattern = 0
a = []
for i in range(n):
val = math.factorial(7 + i) // math.factorial(i) // math.factorial(7)
a.append(val)
a.reverse()
cnt = 600 * 7
ans = ["FESTIVA" for _ in range(n)]
for i, item in enumerate(a... | output | 1 | 70,635 | 0 | 141,271 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a string with rings on both ends. Rings have positive integers to distinguish them. Rings on both ends of the string have different numbers a and b. Describe this as [a, b]. If there are multiple strings and the number attached to the ring o... | instruction | 0 | 70,672 | 0 | 141,344 |
"Correct Solution:
```
def solve():
def dfs(ring, chain_len=1):
unchecked[ring] = False
unvisited[ring] = False
len_rec[ring] = max(len_rec[ring], chain_len)
for r in adj_list[ring]:
if unvisited[r]:
dfs(r, chain_len + 1)
unvisited[ring] = True
... | output | 1 | 70,672 | 0 | 141,345 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a string with rings on both ends. Rings have positive integers to distinguish them. Rings on both ends of the string have different numbers a and b. Describe this as [a, b]. If there ar... | instruction | 0 | 70,673 | 0 | 141,346 |
No | output | 1 | 70,673 | 0 | 141,347 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a string with rings on both ends. Rings have positive integers to distinguish them. Rings on both ends of the string have different numbers a and b. Describe this as [a, b]. If there ar... | instruction | 0 | 70,674 | 0 | 141,348 |
No | output | 1 | 70,674 | 0 | 141,349 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a string with rings on both ends. Rings have positive integers to distinguish them. Rings on both ends of the string have different numbers a and b. Describe this as [a, b]. If there ar... | instruction | 0 | 70,675 | 0 | 141,350 |
No | output | 1 | 70,675 | 0 | 141,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider a string with rings on both ends. Rings have positive integers to distinguish them. Rings on both ends of the string have different numbers a and b. Describe this as [a, b]. If there ar... | instruction | 0 | 70,676 | 0 | 141,352 |
No | output | 1 | 70,676 | 0 | 141,353 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,009 | 0 | 142,018 |
Tags: greedy, strings
Correct Solution:
```
si = input()
ans = ""
while 1:
co = si.count(max(si))
ans = ans + max(si)*co
#print("ans " ,ans)
new = (si[::-1].index(max(si)))
#print("new ",new)
si = si[len(si)-new:]
#print(si)
if len(si)==0:
#print("lets break")
break
print... | output | 1 | 71,009 | 0 | 142,019 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,010 | 0 | 142,020 |
Tags: greedy, strings
Correct Solution:
```
s = input()
n=len(s)
ans = s[-1]
for i in range(n - 2, -1, -1):
if s[i] >= ans[-1]:
ans += s[i]
print(ans[::-1])
``` | output | 1 | 71,010 | 0 | 142,021 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,011 | 0 | 142,022 |
Tags: greedy, strings
Correct Solution:
```
s,l=input(),['']
for i in reversed(s):
if l[-1]<=i: l.append(i)
print(*reversed(l),sep='')
``` | output | 1 | 71,011 | 0 | 142,023 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,012 | 0 | 142,024 |
Tags: greedy, strings
Correct Solution:
```
s=list(input())
a=sorted(set(s))[::-1]
print(a[0]*(s.count(a[0])),end='')
index=len(s)-s[::-1].index(a[0])-1
for i in range(1,len(a)):
if a[i] in s[index:]:
print(a[i]*(s[index:].count(a[i])),end='')
index=len(s)-s[::-1].index(a[i])-1
``` | output | 1 | 71,012 | 0 | 142,025 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,013 | 0 | 142,026 |
Tags: greedy, strings
Correct Solution:
```
'''n = int(input())
a = [int(k) for k in input().split()]
step1 = min(a)
step2 = 10000
for i in range(0,n,2):
if a[i] < step2:
step2 = a[i]
print(max(step1, step2))'''
s = input()
maxx = 'a'
a = ''
for i in range(len(s) - 1, -1, -1):
if s[i] >= maxx:
a... | output | 1 | 71,013 | 0 | 142,027 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,014 | 0 | 142,028 |
Tags: greedy, strings
Correct Solution:
```
from sys import stdin,stdout
nmbr = lambda: int(stdin.readline())
lst = lambda: list(map(int,stdin.readline().split()))
for _ in range(1):#nmbr():
s=input()
n=len(s)
dp=['a']*n
dp[-1]=s[-1]
for i in range(n-2,-1,-1):
dp[i]=max(dp[i+1],s[i])
ans... | output | 1 | 71,014 | 0 | 142,029 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,015 | 0 | 142,030 |
Tags: greedy, strings
Correct Solution:
```
from collections import Counter
s = input()
c = Counter(s)
cur_char = 'z'
for ch in s:
while c[cur_char] == 0:
cur_char = chr(ord(cur_char) - 1)
if ch == cur_char:
print(cur_char, end='')
c[ch] -= 1
``` | output | 1 | 71,015 | 0 | 142,031 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... < pk ≤ |s|) a subsequence of string s = s1s2...... | instruction | 0 | 71,016 | 0 | 142,032 |
Tags: greedy, strings
Correct Solution:
```
def main():
a, res = ' ', []
for b in reversed(input()):
if a <= b:
a = b
res.append(a)
print(''.join(reversed(res)))
if __name__ == '__main__':
main()
``` | output | 1 | 71,016 | 0 | 142,033 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,017 | 0 | 142,034 |
Yes | output | 1 | 71,017 | 0 | 142,035 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,018 | 0 | 142,036 |
Yes | output | 1 | 71,018 | 0 | 142,037 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,019 | 0 | 142,038 |
Yes | output | 1 | 71,019 | 0 | 142,039 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,020 | 0 | 142,040 |
Yes | output | 1 | 71,020 | 0 | 142,041 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,021 | 0 | 142,042 |
No | output | 1 | 71,021 | 0 | 142,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,022 | 0 | 142,044 |
No | output | 1 | 71,022 | 0 | 142,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,023 | 0 | 142,046 |
No | output | 1 | 71,023 | 0 | 142,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got string s, consisting of only lowercase English letters. Find its lexicographically maximum subsequence.
We'll call a non-empty string s[p1p2... pk] = sp1sp2... spk(1 ≤ p1 < p2 < ... ... | instruction | 0 | 71,024 | 0 | 142,048 |
No | output | 1 | 71,024 | 0 | 142,049 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,201 | 0 | 142,402 |
Tags: implementation, strings
Correct Solution:
```
s = input()
a = []
b = []
last_word = []
temp = 0
digits = "0123456789"
for letter in s:
if letter == ";" or letter == ",":
for leter in last_word:
if digits.find(leter) == -1:
temp = 1
break
if temp == 0... | output | 1 | 71,201 | 0 | 142,403 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,202 | 0 | 142,404 |
Tags: implementation, strings
Correct Solution:
```
import re
def is_int(s: str) -> bool:
if len(s) > 0 and (s[0] == "0" and len(s) > 1):
return False
else:
try:
int(s)
return True
except:
return False
def partition(pred, iterable):
trues = []... | output | 1 | 71,202 | 0 | 142,405 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,203 | 0 | 142,406 |
Tags: implementation, strings
Correct Solution:
```
data = input().strip().replace(',', ';').split(';')
l1 = [word for word in data if word.isdigit() and word == str(int(word))]
sl1 = set(l1)
l2 = [word for word in data if word not in sl1]
print('"'+ ','.join(l1) + '"' if len(l1) > 0 else '-')
print('"'+ ','.join(l2)... | output | 1 | 71,203 | 0 | 142,407 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,204 | 0 | 142,408 |
Tags: implementation, strings
Correct Solution:
```
import re
s = re.split(',|;', input())
a = []
b = []
for item in s:
if item.isdigit() and (item[0]!='0' or len(item)==1):
a.append(item)
else:
b.append(item)
if a:
print("\"", ",".join(a), "\"", sep="")
else:
print("-")
if b:
print(... | output | 1 | 71,204 | 0 | 142,409 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,205 | 0 | 142,410 |
Tags: implementation, strings
Correct Solution:
```
#!/usr/bin/python
import itertools
s = input().split(',')
for i in range(len(s)):
s[i] = s[i].split(';')
s = itertools.chain(*s)
s = list(s)
a = []
b = []
for i in range(len(s)):
if s[i] == '0':
a.append(s[i])
elif s[i].isdigit() and s[i][0] != ... | output | 1 | 71,205 | 0 | 142,411 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,206 | 0 | 142,412 |
Tags: implementation, strings
Correct Solution:
```
import re
ss = re.split(";|,", input())
a = []
b = []
p = re.compile('^(-?([1-9]\d*)|0)$')
for s in ss:
if p.match(s):
a.append(s)
else:
b.append(s)
print('"' + ','.join(a) + '"' if len(a) else '-')
print('"' + ','.join(b) + '"' if len(b) e... | output | 1 | 71,206 | 0 | 142,413 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,207 | 0 | 142,414 |
Tags: implementation, strings
Correct Solution:
```
import re
s = input()
a = []
b = []
# print(re.split(';,', s))
for word in re.split(';|,', s):
try:
if str(int(word)) == word:
a.append(word)
else:
b.append(word)
except ValueError:
b.append(word)
if a:
print('"'... | output | 1 | 71,207 | 0 | 142,415 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "aba", "123", "1a", "0". A word can be empty: fo... | instruction | 0 | 71,208 | 0 | 142,416 |
Tags: implementation, strings
Correct Solution:
```
s = input()
X = []
Y = []
for word in s.split(';'):
for num in word.split(','):
try:
if str(int(num)) == num:
X.append(num)
else:
Y.append(num)
except Exception:
Y.append(num)
if len(X) > 0:
print('"' + ",".join(X) + '"')
else:
print('-')
if le... | output | 1 | 71,208 | 0 | 142,417 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,209 | 0 | 142,418 |
Yes | output | 1 | 71,209 | 0 | 142,419 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,210 | 0 | 142,420 |
Yes | output | 1 | 71,210 | 0 | 142,421 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,211 | 0 | 142,422 |
Yes | output | 1 | 71,211 | 0 | 142,423 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,212 | 0 | 142,424 |
Yes | output | 1 | 71,212 | 0 | 142,425 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,213 | 0 | 142,426 |
No | output | 1 | 71,213 | 0 | 142,427 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,214 | 0 | 142,428 |
No | output | 1 | 71,214 | 0 | 142,429 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,215 | 0 | 142,430 |
No | output | 1 | 71,215 | 0 | 142,431 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon). For example, there are four words in string "aba,123;1a;0": "... | instruction | 0 | 71,216 | 0 | 142,432 |
No | output | 1 | 71,216 | 0 | 142,433 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let LCP(s, t) be the length of the longest common prefix of strings s and t. Also let s[x ... y] be the substring of s from index x to index y (inclusive). For example, if s = "abcde", then s[1... | instruction | 0 | 71,660 | 0 | 143,320 |
No | output | 1 | 71,660 | 0 | 143,321 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let LCP(s, t) be the length of the longest common prefix of strings s and t. Also let s[x ... y] be the substring of s from index x to index y (inclusive). For example, if s = "abcde", then s[1... | instruction | 0 | 71,661 | 0 | 143,322 |
No | output | 1 | 71,661 | 0 | 143,323 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let LCP(s, t) be the length of the longest common prefix of strings s and t. Also let s[x ... y] be the substring of s from index x to index y (inclusive). For example, if s = "abcde", then s[1... | instruction | 0 | 71,662 | 0 | 143,324 |
No | output | 1 | 71,662 | 0 | 143,325 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let LCP(s, t) be the length of the longest common prefix of strings s and t. Also let s[x ... y] be the substring of s from index x to index y (inclusive). For example, if s = "abcde", then s[1... | instruction | 0 | 71,663 | 0 | 143,326 |
No | output | 1 | 71,663 | 0 | 143,327 |
Provide tags and a correct Python 3 solution for this coding contest problem.
For the given integer n (n > 2) let's write down all the strings of length n which contain n-2 letters 'a' and two letters 'b' in lexicographical (alphabetical) order.
Recall that the string s of length n is lexicographically less than stri... | instruction | 0 | 71,805 | 0 | 143,610 |
Tags: binary search, brute force, combinatorics, implementation, math
Correct Solution:
```
n = int(input())
for i in range(n):
n, k = map(int, input().split())
count_b = 2
while count_b * (count_b - 1) // 2 < k:
count_b += 1
count_b, count_a = n - count_b, n - count_b + (count_b * (count_b - 1)... | output | 1 | 71,805 | 0 | 143,611 |
Provide tags and a correct Python 3 solution for this coding contest problem.
For the given integer n (n > 2) let's write down all the strings of length n which contain n-2 letters 'a' and two letters 'b' in lexicographical (alphabetical) order.
Recall that the string s of length n is lexicographically less than stri... | instruction | 0 | 71,806 | 0 | 143,612 |
Tags: binary search, brute force, combinatorics, implementation, math
Correct Solution:
```
import math
test=int(input())
for _ in range(test):
n,k=map(int,input().split())
i=math.floor((math.sqrt(8*k - 1) + 1)/2)
ans=(k - 1 - i*(i - 1)/2)
final=['a' for i in range(n)]
final[int(i)]='b'
f... | output | 1 | 71,806 | 0 | 143,613 |
Provide tags and a correct Python 3 solution for this coding contest problem.
For the given integer n (n > 2) let's write down all the strings of length n which contain n-2 letters 'a' and two letters 'b' in lexicographical (alphabetical) order.
Recall that the string s of length n is lexicographically less than stri... | instruction | 0 | 71,807 | 0 | 143,614 |
Tags: binary search, brute force, combinatorics, implementation, math
Correct Solution:
```
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**6)
############ ---- Input Functions ---- ############
def in_int():
return (int(input()))
def in_list():
return (list(map(int, input().split())))
def... | output | 1 | 71,807 | 0 | 143,615 |
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