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 |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You're given an array a_1, …, a_n of n non-negative integers.
Let's call it sharpened if and only if there exists an integer 1 ≤ k ≤ n such that a_1 < a_2 < … < a_k and a_k > a_{k+1} > … > a_n.... | instruction | 0 | 72,634 | 12 | 145,268 |
Yes | output | 1 | 72,634 | 12 | 145,269 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You're given an array a_1, …, a_n of n non-negative integers.
Let's call it sharpened if and only if there exists an integer 1 ≤ k ≤ n such that a_1 < a_2 < … < a_k and a_k > a_{k+1} > … > a_n.... | instruction | 0 | 72,635 | 12 | 145,270 |
Yes | output | 1 | 72,635 | 12 | 145,271 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You're given an array a_1, …, a_n of n non-negative integers.
Let's call it sharpened if and only if there exists an integer 1 ≤ k ≤ n such that a_1 < a_2 < … < a_k and a_k > a_{k+1} > … > a_n.... | instruction | 0 | 72,636 | 12 | 145,272 |
No | output | 1 | 72,636 | 12 | 145,273 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You're given an array a_1, …, a_n of n non-negative integers.
Let's call it sharpened if and only if there exists an integer 1 ≤ k ≤ n such that a_1 < a_2 < … < a_k and a_k > a_{k+1} > … > a_n.... | instruction | 0 | 72,637 | 12 | 145,274 |
No | output | 1 | 72,637 | 12 | 145,275 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You're given an array a_1, …, a_n of n non-negative integers.
Let's call it sharpened if and only if there exists an integer 1 ≤ k ≤ n such that a_1 < a_2 < … < a_k and a_k > a_{k+1} > … > a_n.... | instruction | 0 | 72,638 | 12 | 145,276 |
No | output | 1 | 72,638 | 12 | 145,277 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You're given an array a_1, …, a_n of n non-negative integers.
Let's call it sharpened if and only if there exists an integer 1 ≤ k ≤ n such that a_1 < a_2 < … < a_k and a_k > a_{k+1} > … > a_n.... | instruction | 0 | 72,639 | 12 | 145,278 |
No | output | 1 | 72,639 | 12 | 145,279 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,705 | 12 | 145,410 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
total = int(input())
num_l = list(map(int,input().split()))
if total == 1:
print('1 1')
print(-num_l[0])
print('1 1')
print('0')
print('1 1')
print('0')
elif total == 2:
print('1 1')
print(-num_l[0])
print('2 ... | output | 1 | 72,705 | 12 | 145,411 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,706 | 12 | 145,412 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
import sys
import math,bisect
sys.setrecursionlimit(10 ** 5)
from collections import defaultdict
from itertools import groupby,accumulate
from heapq import heapify,heappop,heappush
from collections import deque,Counter,OrderedDict
def I(): retur... | output | 1 | 72,706 | 12 | 145,413 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,707 | 12 | 145,414 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
def fun(ai,n):
ii = -ai%n
num = (ii*n)-ii-ai
return num
n = int(input())
a = [int(i) for i in input().split()]
if n==1:
print(1,1)
print(-a[0])
print(1,1)
print(0)
print(1,1)
print(0)
else:
ans1 = []
... | output | 1 | 72,707 | 12 | 145,415 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,708 | 12 | 145,416 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
if n==1:
print('1 1')
print('0')
print('1 1')
print('0')
print('1 1')
print(-a[0])
else:
print('1', n - 1)
b = []
for i in range(n - 1):
x = a[i] % ... | output | 1 | 72,708 | 12 | 145,417 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,709 | 12 | 145,418 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
import sys
input = sys.stdin.readline
import math
n = int(input())
arr = list(map(int,input().split()))
if n<=3:
for i in range(n):
print(i+1,i+1)
print(-arr[i])
for i in range(3-n):
print(1,1)
print(0)
e... | output | 1 | 72,709 | 12 | 145,419 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,710 | 12 | 145,420 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
# for _ in range(int(input())):
n = int(input())
# n, m = map(int, input().split())
l = list(map(int, input().split()))
# l = [list(map(int, input().split())) for i in range(n)]
if n == 1:
print(1, 1)
print(0)
print(1, 1)
print(0)
print(1,... | output | 1 | 72,710 | 12 | 145,421 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,711 | 12 | 145,422 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
if n == 1:
print('1 1', -a[0], '1 1', '0', '1 1', '0', sep='\n')
exit(0)
print(1, n)
for i in range(n):
print(-a[i] * n, end = ' ')
a[i] -= a[i] * n
print()
print(1, n - 1)
... | output | 1 | 72,711 | 12 | 145,423 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this segment we can add a multiple of len to it, where ... | instruction | 0 | 72,712 | 12 | 145,424 |
Tags: constructive algorithms, greedy, number theory
Correct Solution:
```
mod = 10**9 + 7
def solve():
n = int(input())
a = list(map(int, input().split()))
if n == 1:
print(1, 1)
print(0)
else:
print(1, n - 1)
for i in range(0, n - 1):
print(a[i] * (n - 1), e... | output | 1 | 72,712 | 12 | 145,425 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,713 | 12 | 145,426 |
Yes | output | 1 | 72,713 | 12 | 145,427 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,714 | 12 | 145,428 |
Yes | output | 1 | 72,714 | 12 | 145,429 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,715 | 12 | 145,430 |
Yes | output | 1 | 72,715 | 12 | 145,431 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,716 | 12 | 145,432 |
Yes | output | 1 | 72,716 | 12 | 145,433 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,717 | 12 | 145,434 |
No | output | 1 | 72,717 | 12 | 145,435 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,718 | 12 | 145,436 |
No | output | 1 | 72,718 | 12 | 145,437 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,719 | 12 | 145,438 |
No | output | 1 | 72,719 | 12 | 145,439 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a of n integers.
You want to make all elements of a equal to zero by doing the following operation exactly three times:
* Select a segment, for each number in this seg... | instruction | 0 | 72,720 | 12 | 145,440 |
No | output | 1 | 72,720 | 12 | 145,441 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,757 | 12 | 145,514 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
import math
import sys
#def get_ints():
# return map(int, sys.stdin.readline().strip().split())
def inpu():
return sys.stdin.readline().strip()
T = int(input())
#lets = 'abcdefghijklmnopqrstuvwxyz'
#key = {lets[i]:i for i in range... | output | 1 | 72,757 | 12 | 145,515 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,758 | 12 | 145,516 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
itype = int
def inp(): return int(input())
def tinput(): return list(map(itype, input().split(" ")))
cr = []
def solve(a, si):
if(a == []):
return
global cr
root = a.index(max(a))
for i in range(len(a)):
... | output | 1 | 72,758 | 12 | 145,517 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,759 | 12 | 145,518 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
import math
def rec(l,l_,s,e,cnt):
if(s>e):
return
elif(s==e):
l_[s]=cnt
return
else:
maxm=l[s]
ind=s
for j in range(s+1,e+1,1):
... | output | 1 | 72,759 | 12 | 145,519 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,760 | 12 | 145,520 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
T=int(input())
for t in range(T):
n=int(input())
a=list(map(int,input().split()))
l=[0 for i in range(n)]
def f(a,low,high,count):
i=a.index(max(a[low:high+1]))
l[i]=count
if(low!=high):
i... | output | 1 | 72,760 | 12 | 145,521 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,761 | 12 | 145,522 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
import sys
class Node:
def __init__(self,val):
self.val = val
self.left = None
self.right = None
def build(arr,dic):
#print(arr)
if len(arr) == 0:
return
tmp = max(arr)
root = Node(tmp)
... | output | 1 | 72,761 | 12 | 145,523 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,762 | 12 | 145,524 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
def bin_search(ans, halp, a, b):
if len(a)>0:
m = a.index(max(a))
ind = halp.index(max(a))
b[ind] = ans
p = a[:m]
q = a[m+1:]
bin_search(ans+1,halp,p,b)
bin_search(ans+1,halp,q,b)
... | output | 1 | 72,762 | 12 | 145,525 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,763 | 12 | 145,526 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
def dfs(permutation):
global newDict, counter
maxa = max(permutation)
if len(permutation) == 1:
newDict.update({maxa: counter})
return
else:
pos = permutation.index(maxa)
dfs([maxa])
c... | output | 1 | 72,763 | 12 | 145,527 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1], [0] — no.
Polycarp was recently gifted a per... | instruction | 0 | 72,764 | 12 | 145,528 |
Tags: dfs and similar, divide and conquer, implementation
Correct Solution:
```
def aux(length, values, x):
if length == 0:
return []
elif length == 1:
return [x]
else:
maximum = values.index(max(values))
first = values[:maximum]
last = values[maximum + 1:]
r... | output | 1 | 72,764 | 12 | 145,529 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,765 | 12 | 145,530 |
Yes | output | 1 | 72,765 | 12 | 145,531 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,766 | 12 | 145,532 |
Yes | output | 1 | 72,766 | 12 | 145,533 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,767 | 12 | 145,534 |
Yes | output | 1 | 72,767 | 12 | 145,535 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,768 | 12 | 145,536 |
Yes | output | 1 | 72,768 | 12 | 145,537 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,769 | 12 | 145,538 |
No | output | 1 | 72,769 | 12 | 145,539 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,770 | 12 | 145,540 |
No | output | 1 | 72,770 | 12 | 145,541 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,771 | 12 | 145,542 |
No | output | 1 | 72,771 | 12 | 145,543 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation — is a sequence of length n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] — permutations, and [2, 3, 2], [4, 3, 1]... | instruction | 0 | 72,772 | 12 | 145,544 |
No | output | 1 | 72,772 | 12 | 145,545 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,854 | 12 | 145,708 |
Tags: brute force, sortings
Correct Solution:
```
def main():
n, k = map(int, input().split())
a = list(map(int, input().split()))
s = a[0]
for l in range(n):
for r in range(l,n):
out = sorted(a[:l] + a[r+1:], reverse=True)
inside = sorted(a[l:r+1])
temp = sum(a[l:r+1])
for i in range(min(k, len(out)... | output | 1 | 72,854 | 12 | 145,709 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,855 | 12 | 145,710 |
Tags: brute force, sortings
Correct Solution:
```
n, k = [int(c) for c in input().split()]
a = [int(c) for c in input().split()]
best = -1000001
seq = []
other = []
for l in range(n):
for r in range(l + 1, n + 1):
seq = sorted(a[l:r])
other = a[:l] + a[r:]
other.sort()
other.reve... | output | 1 | 72,855 | 12 | 145,711 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,856 | 12 | 145,712 |
Tags: brute force, sortings
Correct Solution:
```
read_line = lambda: [int(i) for i in input().split()]
n, k = read_line()
x = read_line()
print(max(sum(sorted(x[l:r] + sorted(x[:l] + x[r:])[-k:])[l-r:]) for l in range(n) for r in range(l + 1, n + 1)))
``` | output | 1 | 72,856 | 12 | 145,713 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,857 | 12 | 145,714 |
Tags: brute force, sortings
Correct Solution:
```
def readln(): return tuple(map(int, input().split()))
n, k = readln()
a = list(readln())
ans = -10**9
for i in range(n):
for j in range(i, n):
x = a[:i] + a[j + 1:]
y = a[i:j + 1]
x.sort()
y.sort()
x.reverse()
for p i... | output | 1 | 72,857 | 12 | 145,715 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,858 | 12 | 145,716 |
Tags: brute force, sortings
Correct Solution:
```
def f(a,k):
ans=-float("inf")
for i in range(len(a)+1):
for j in range(i):
mid=a[j:i]
l=a[:j]+a[i:]
# print(mid,l)
l=sorted(l,reverse=True)
mid=sorted(mid)
s=sum(mid)
ans... | output | 1 | 72,858 | 12 | 145,717 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,859 | 12 | 145,718 |
Tags: brute force, sortings
Correct Solution:
```
n, k = map(int, input().split())
a = list(map(int, input().split()))
res = a[0]
for l in range(n):
for r in range(l, n):
inside = sorted(a[l:r+1])
outside = sorted(a[:l] + a[r+1:], reverse=True)
new_res = sum(inside)
for i in range(min(k, len(inside), len(o... | output | 1 | 72,859 | 12 | 145,719 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,860 | 12 | 145,720 |
Tags: brute force, sortings
Correct Solution:
```
n,m=map(int,input().split())
lis=list(map(int,input().split()))
k=-100000000
for l in range(n):
for r in range(l+1,n+1):
k=max(k,sum(sorted(lis[l:r] + sorted(lis[:l]+lis[r:])[-m:])[l-r:]))
print(k)
``` | output | 1 | 72,860 | 12 | 145,721 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes i, j (i ≠ j);
* perform assignments tmp = a... | instruction | 0 | 72,861 | 12 | 145,722 |
Tags: brute force, sortings
Correct Solution:
```
def solve(curr,other,k):
t=0
while t<k and t<len(curr) and t<len(other) and other[t]>curr[t]:
t+=1
return t
n,k=map(int,input().split())
arr=list(map(int,input().split()))
maxx=-10**100
for i in range(n):
curr=[]
other=sorted(arr[:i]+arr[i... | output | 1 | 72,861 | 12 | 145,723 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes... | instruction | 0 | 72,862 | 12 | 145,724 |
Yes | output | 1 | 72,862 | 12 | 145,725 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes... | instruction | 0 | 72,863 | 12 | 145,726 |
Yes | output | 1 | 72,863 | 12 | 145,727 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes... | instruction | 0 | 72,864 | 12 | 145,728 |
Yes | output | 1 | 72,864 | 12 | 145,729 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As usual, Sereja has array a, its elements are integers: a[1], a[2], ..., a[n]. Let's introduce notation:
<image>
A swap operation is the following sequence of actions:
* choose two indexes... | instruction | 0 | 72,865 | 12 | 145,730 |
Yes | output | 1 | 72,865 | 12 | 145,731 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.