132322025-01-07 09:44:19NotYouVirágos rét (50 pont)cpp17Wrong answer 4/5018ms500 KiB
// Source: https://usaco.guide/general/io

#include <bits/stdc++.h>
using namespace std;

int main() {
	int n,k;
	cin>>n>>k;
	int sz=0;
	int z=0;
	for(int i=0; i<n;i++){
		cin>>sz;
		if (sz==1) {
			z++;
		}
	}	
	int m=0;
	//m=((z-k)*2)+1;
	if(z<k) {
		cout<<0;
		return 0;
	}
	z=z-k;
	for(int i=z; i>=z/2;i--)
		{
			m+=i*2;
		}
	cout<<m;
}
SubtaskSumTestVerdictTimeMemory
base4/50
1Accepted0/01ms316 KiB
2Accepted0/01ms500 KiB
3Wrong answer0/018ms500 KiB
4Wrong answer0/21ms316 KiB
5Accepted2/21ms316 KiB
6Accepted2/21ms316 KiB
7Wrong answer0/31ms316 KiB
8Wrong answer0/31ms316 KiB
9Wrong answer0/31ms316 KiB
10Wrong answer0/21ms316 KiB
11Wrong answer0/31ms316 KiB
12Wrong answer0/21ms316 KiB
13Wrong answer0/31ms316 KiB
14Wrong answer0/217ms396 KiB
15Wrong answer0/217ms400 KiB
16Wrong answer0/318ms396 KiB
17Wrong answer0/317ms400 KiB
18Wrong answer0/318ms400 KiB
19Wrong answer0/318ms316 KiB
20Wrong answer0/318ms400 KiB
21Wrong answer0/318ms396 KiB
22Wrong answer0/317ms392 KiB