message stringlengths 2 433k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 113 108k | cluster float64 12 12 | __index_level_0__ int64 226 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for you.
For each position r from 2 to n we chose so... | instruction | 0 | 88,546 | 12 | 177,092 |
Tags: brute force, constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
segs = [tuple(sorted(int(x) for x in input().split()[1:])) for __ in range(n - 1)]
segs_set = set(segs)
segs_having = [[j for j, seg in enumerate(segs)... | output | 1 | 88,546 | 12 | 177,093 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for you.
For each position r from 2 to n we chose so... | instruction | 0 | 88,547 | 12 | 177,094 |
Tags: brute force, constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import sys
sys.setrecursionlimit(10 ** 6)
int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI()... | output | 1 | 88,547 | 12 | 177,095 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for you.
For each position r from 2 to n we chose so... | instruction | 0 | 88,548 | 12 | 177,096 |
Tags: brute force, constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
if __name__== "__main__":
t = int(input())
for _ in range(t):
n = int(input())
ns = {}
for _ in range(n - 1):
_, *p = map(int, input().split())
tp = tuple(p)
... | output | 1 | 88,548 | 12 | 177,097 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for you.
For each position r from 2 to n we chose so... | instruction | 0 | 88,549 | 12 | 177,098 |
Tags: brute force, constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
from collections import Counter
from itertools import chain
def dfs(n, r, hint_sets, count, removed, result):
# print(n, r, hint_sets, count, removed, result)
if len(result) == n - 1:
last = (set(... | output | 1 | 88,549 | 12 | 177,099 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for you.
For each position r from 2 to n we chose so... | instruction | 0 | 88,550 | 12 | 177,100 |
Tags: brute force, constructive algorithms, data structures, greedy, implementation
Correct Solution:
```
import sys
input = sys.stdin.readline
def dfs(x,S):
#print(x,S)
for i in range(len(S)):
if x in S[i]:
S[i].remove(x)
#print(x,S)
LEN1=0
for s in S:
if len(... | output | 1 | 88,550 | 12 | 177,101 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,551 | 12 | 177,102 |
Yes | output | 1 | 88,551 | 12 | 177,103 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,552 | 12 | 177,104 |
Yes | output | 1 | 88,552 | 12 | 177,105 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,553 | 12 | 177,106 |
Yes | output | 1 | 88,553 | 12 | 177,107 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,554 | 12 | 177,108 |
Yes | output | 1 | 88,554 | 12 | 177,109 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,555 | 12 | 177,110 |
No | output | 1 | 88,555 | 12 | 177,111 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,556 | 12 | 177,112 |
No | output | 1 | 88,556 | 12 | 177,113 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,557 | 12 | 177,114 |
No | output | 1 | 88,557 | 12 | 177,115 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for yo... | instruction | 0 | 88,558 | 12 | 177,116 |
No | output | 1 | 88,558 | 12 | 177,117 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,559 | 12 | 177,118 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
from sys import stdin, gettrace
if gettrace():
inputi = input
else:
def input():
return next(stdin)[:-1]
def inputi():
return stdin.buffer.readline()
def solve():
n = int(inputi())
aa = []
aa.app... | output | 1 | 88,559 | 12 | 177,119 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,560 | 12 | 177,120 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
t = int(input())
Maxn = 210000
while t > 0:
t -= 1
n = int(input())
a = input().split()
b = input().split()
a1 = [-1] * (n + 1)
a2 = [-1] * (n + 1)
b1 = [-1] * (n + 1)
b2 = [-1] * (n + 1)
for i in range(0, n):
now = int(a[i])
i... | output | 1 | 88,560 | 12 | 177,121 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,561 | 12 | 177,122 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
import sys
# range = xrange
# input = raw_input
inp = [int(x) for x in sys.stdin.read().split()]
ii = 0
out = []
def solve(n, A):
same = [-1]*(2 * n);pos = [-1] * n
for i in range(2 * n):
a = A[i]
if pos[a] == -1:
... | output | 1 | 88,561 | 12 | 177,123 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,562 | 12 | 177,124 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
from sys import stdin, setrecursionlimit
from collections import deque
input = stdin.readline
setrecursionlimit(int(2e5))
def getstr(): return input()[:-1]
def getint(): return int(input())
def getints(): return list(map(int, input().split(... | output | 1 | 88,562 | 12 | 177,125 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,563 | 12 | 177,126 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
import sys, math
import io, os
#data = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
from bisect import bisect_left as bl, bisect_right as br, insort
from heapq import heapify, heappush, heappop
from collections import defaultdict as ... | output | 1 | 88,563 | 12 | 177,127 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,564 | 12 | 177,128 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
from collections import defaultdict,deque
import sys
input=sys.stdin.readline
def bfs(i):
queue=deque([(i,1)])
while queue:
#print(queue)
vertex,colour=queue.popleft()
res.append(vertex)
if colour==1:... | output | 1 | 88,564 | 12 | 177,129 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,565 | 12 | 177,130 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
import sys
from collections import deque
input=sys.stdin.readline
#sys.setrecursionlimit(2*10**5)
for _ in range(int(input())):
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
data=[[] for ... | output | 1 | 88,565 | 12 | 177,131 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, j} in it. Each column can be chosen no more tha... | instruction | 0 | 88,566 | 12 | 177,132 |
Tags: 2-sat, dfs and similar, dsu, graphs, implementation
Correct Solution:
```
from bisect import *
from collections import *
from math import gcd,ceil,sqrt,floor,inf
from heapq import *
from itertools import *
from operator import add,mul,sub,xor,truediv,floordiv
from functools import *
#---------------------------... | output | 1 | 88,566 | 12 | 177,133 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,567 | 12 | 177,134 |
Yes | output | 1 | 88,567 | 12 | 177,135 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,568 | 12 | 177,136 |
Yes | output | 1 | 88,568 | 12 | 177,137 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,569 | 12 | 177,138 |
Yes | output | 1 | 88,569 | 12 | 177,139 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,570 | 12 | 177,140 |
Yes | output | 1 | 88,570 | 12 | 177,141 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,571 | 12 | 177,142 |
No | output | 1 | 88,571 | 12 | 177,143 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,572 | 12 | 177,144 |
No | output | 1 | 88,572 | 12 | 177,145 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,573 | 12 | 177,146 |
No | output | 1 | 88,573 | 12 | 177,147 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a table a of size 2 × n (i.e. two rows and n columns) consisting of integers from 1 to n.
In one move, you can choose some column j (1 ≤ j ≤ n) and swap values a_{1, j} and a_{2, ... | instruction | 0 | 88,574 | 12 | 177,148 |
No | output | 1 | 88,574 | 12 | 177,149 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,639 | 12 | 177,278 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
import sys
from collections import defaultdict
r=sys.stdin.readline
n = int(input())
a = list(map(int, r().split()))
d = {}
for i in range(n):
for j in range(i):
# print(d)
if(a[i]+a[j] in d):
ii,jj = d[a[i]+a[j]]
if(len(set([i,j,ii,jj]))... | output | 1 | 88,639 | 12 | 177,279 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,640 | 12 | 177,280 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Tue Mar 23 16:06:25 2021
@author: PC-4
"""
n = int(input())
A = list(map(int, input().split(" ")))
def f(A, n):
D = {}
for j in range(n):
for i in range(j):
s = A[i] + A[j]
... | output | 1 | 88,640 | 12 | 177,281 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,641 | 12 | 177,282 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
from collections import Counter
n=int(input())
m=[int(j) for j in input().split()]
m=m[:10000]
new={}
res=[]
for i in range(len(m)):
for j in range(i+1, len(m)):
if m[i]+m[j] in new:
if i not in new[m[i]+m[j]] and j not in ne... | output | 1 | 88,641 | 12 | 177,283 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,642 | 12 | 177,284 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
from collections import Counter
n=int(input())
m=[int(j) for j in input().split()]
m=m[:2000]
new={}
res=[]
for i in range(len(m)):
for j in range(i+1, len(m)):
if m[i]+m[j] in new:
if i not in new[m[i]+m[j]] and j not in new... | output | 1 | 88,642 | 12 | 177,285 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,643 | 12 | 177,286 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
def main():
n = int(input())
arr = list(map(int, input().split(' ')))
cache = {}
for i in range(n):
for j in range(i):
s = arr[i] + arr[j]
if s in cache:
f, t = cache[s]
... | output | 1 | 88,643 | 12 | 177,287 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,644 | 12 | 177,288 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
import sys
input = sys.stdin.readline
from operator import itemgetter
n=int(input())
A=list(map(int,input().split()))
MAX=max(A)-min(A)
COUNT=[[] for i in range(max(A)+1)]
fl1=0
for i in range(n):
COUNT[A[i]].append(i)
if len(COUNT[A[i]])... | output | 1 | 88,644 | 12 | 177,289 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,645 | 12 | 177,290 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
n = int(input())
def solve(arr,n):
#me = max(arr)
#hms = [0 for _ in range(0,2*(me)+1)]
#hmi = [[] for _ in range(0,2*(me)+1)]
d = {}
for i in range(n):
for j in range(i):
s = arr[i] + arr[j]
... | output | 1 | 88,645 | 12 | 177,291 |
Provide tags and a correct Python 3 solution for this coding contest problem.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend presented her an integer array a.
Several hou... | instruction | 0 | 88,646 | 12 | 177,292 |
Tags: brute force, hashing, implementation, math
Correct Solution:
```
def sol(arr):
s=dict()
for i in range(min(4000,len(arr)-1)):
for j in range(i+1,min(4001,len(arr))):
key=arr[i]+arr[j]
if key not in s:
s[key]=i,j
elif i not in s[key] and j not in ... | output | 1 | 88,646 | 12 | 177,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend ... | instruction | 0 | 88,649 | 12 | 177,298 |
Yes | output | 1 | 88,649 | 12 | 177,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It was the third month of remote learning, Nastya got sick of staying at dormitory, so she decided to return to her hometown. In order to make her trip more entertaining, one of Nastya's friend ... | instruction | 0 | 88,652 | 12 | 177,304 |
No | output | 1 | 88,652 | 12 | 177,305 |
Provide tags and a correct Python 3 solution for this coding contest problem.
During the programming classes Vasya was assigned a difficult problem. However, he doesn't know how to code and was unable to find the solution in the Internet, so he asks you to help.
You are given a sequence a, consisting of n distinct in... | instruction | 0 | 88,884 | 12 | 177,768 |
Tags: data structures, trees
Correct Solution:
```
__author__ = "House"
import bisect
if __name__ == "__main__":
n = int(input())
s = [int(i) for i in input().split()]
f = [[s[0], 0]]
outp = list()
for i in range(1, n):
now = [s[i], i]
idx = bisect.bisect_left(f, now)
ans =... | output | 1 | 88,884 | 12 | 177,769 |
Provide tags and a correct Python 3 solution for this coding contest problem.
During the programming classes Vasya was assigned a difficult problem. However, he doesn't know how to code and was unable to find the solution in the Internet, so he asks you to help.
You are given a sequence a, consisting of n distinct in... | instruction | 0 | 88,885 | 12 | 177,770 |
Tags: data structures, trees
Correct Solution:
```
from bisect import bisect
n=int(input())
elements=list(map(int, input().split()))
tree=[]
ans=['']*n
for i,x in enumerate(elements):
index = bisect(tree, (x,i))
if i!= 0:
if index==0:
ans[i]=str(tree[0][0])
elif index==i:
... | output | 1 | 88,885 | 12 | 177,771 |
Provide tags and a correct Python 3 solution for this coding contest problem.
During the programming classes Vasya was assigned a difficult problem. However, he doesn't know how to code and was unable to find the solution in the Internet, so he asks you to help.
You are given a sequence a, consisting of n distinct in... | instruction | 0 | 88,886 | 12 | 177,772 |
Tags: data structures, trees
Correct Solution:
```
from bisect import bisect
n = int(input())
array = [int(x) for x in input().split()]
tree = []
ans = [''] * n
for i in range(n):
item = array[i]
index = bisect(tree, (item, i))
if i != 0:
if index == 0:
ans[i] = str(tree[0][0])
elif index == i:
... | output | 1 | 88,886 | 12 | 177,773 |
Provide tags and a correct Python 3 solution for this coding contest problem.
During the programming classes Vasya was assigned a difficult problem. However, he doesn't know how to code and was unable to find the solution in the Internet, so he asks you to help.
You are given a sequence a, consisting of n distinct in... | instruction | 0 | 88,887 | 12 | 177,774 |
Tags: data structures, trees
Correct Solution:
```
from bisect import *
n=int(input())
d,a=[(0,0)],[0]*n
for i,x in enumerate(map(int,input().split())):
no=bisect(d,(x,0))-1
l,y=d[no]
a[i]=str(y)
d[no:no+1]=[(l,x),(x,x)]
print(' '.join(a[1:]))
``` | output | 1 | 88,887 | 12 | 177,775 |
Provide tags and a correct Python 3 solution for this coding contest problem.
SaMer has written the greatest test case of all time for one of his problems. For a given array of integers, the problem asks to find the minimum number of groups the array can be divided into, such that the product of any pair of integers i... | instruction | 0 | 88,969 | 12 | 177,938 |
Tags: dp, math, number theory
Correct Solution:
```
from math import sqrt
primes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97,
101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193,
197, 199, 211, 223, 227, 229, 233, 239... | output | 1 | 88,969 | 12 | 177,939 |
Provide tags and a correct Python 3 solution for this coding contest problem.
SaMer has written the greatest test case of all time for one of his problems. For a given array of integers, the problem asks to find the minimum number of groups the array can be divided into, such that the product of any pair of integers i... | instruction | 0 | 88,970 | 12 | 177,940 |
Tags: dp, math, number theory
Correct Solution:
```
#!/usr/bin/env python3
from math import sqrt
primes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97,
101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193,
197, 199, 211,... | output | 1 | 88,970 | 12 | 177,941 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
SaMer has written the greatest test case of all time for one of his problems. For a given array of integers, the problem asks to find the minimum number of groups the array can be divided into, ... | instruction | 0 | 88,971 | 12 | 177,942 |
No | output | 1 | 88,971 | 12 | 177,943 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
SaMer has written the greatest test case of all time for one of his problems. For a given array of integers, the problem asks to find the minimum number of groups the array can be divided into, ... | instruction | 0 | 88,972 | 12 | 177,944 |
No | output | 1 | 88,972 | 12 | 177,945 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
SaMer has written the greatest test case of all time for one of his problems. For a given array of integers, the problem asks to find the minimum number of groups the array can be divided into, ... | instruction | 0 | 88,973 | 12 | 177,946 |
No | output | 1 | 88,973 | 12 | 177,947 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
SaMer has written the greatest test case of all time for one of his problems. For a given array of integers, the problem asks to find the minimum number of groups the array can be divided into, ... | instruction | 0 | 88,974 | 12 | 177,948 |
No | output | 1 | 88,974 | 12 | 177,949 |
Provide a correct Python 3 solution for this coding contest problem.
problem
Given the sequence $ A $ of length $ N $. Find the maximum value of $ \ sum B_i $, where $ B $ is one of the longest increasing subsequences of the sequence $ A $.
The longest increasing subsequence of the sequence $ A $ is the longest subs... | instruction | 0 | 89,216 | 12 | 178,432 |
"Correct Solution:
```
import bisect
N = int(input())
A = list(map(int,input().split()))
lis = []
hist = []
for a in A:
i = bisect.bisect_left(lis,a)
if i == len(lis):
lis.append(a)
hist.append([a])
else:
lis[i] = a
hist[i].append(a)
ans = last = hist[-1][0]
for row in rev... | output | 1 | 89,216 | 12 | 178,433 |
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