138412025-01-08 21:17:49ffteklaVirágos rét (50 pont)cpp17Wrong answer 10/5019ms768 KiB
#include <iostream>

using namespace std;

int n,k,t,v[100000],i,db,DB;
int main()
{
    cin>>n>>k;
    for (i=1;i<=n;++i)
        cin>>v[i];
    t=n-k;
    for (i=1;i<=n;++i)
    {
        if (v[i]==1) ++DB;
    }
    for (i=1;i<=t;++i)
    {
        if (v[i]==1) ++db;
    }
    if (DB>=k) cout<<(db*(db+1))/2;
    else cout<<0;
}
SubtaskSumTestVerdictTimeMemory
base10/50
1Accepted0/01ms316 KiB
2Accepted0/01ms316 KiB
3Wrong answer0/018ms564 KiB
4Wrong answer0/21ms316 KiB
5Accepted2/21ms316 KiB
6Accepted2/21ms316 KiB
7Wrong answer0/31ms316 KiB
8Accepted3/31ms500 KiB
9Wrong answer0/31ms548 KiB
10Wrong answer0/21ms316 KiB
11Accepted3/31ms316 KiB
12Wrong answer0/21ms392 KiB
13Wrong answer0/31ms316 KiB
14Wrong answer0/217ms648 KiB
15Wrong answer0/217ms768 KiB
16Wrong answer0/318ms676 KiB
17Wrong answer0/317ms756 KiB
18Wrong answer0/319ms556 KiB
19Wrong answer0/317ms624 KiB
20Wrong answer0/318ms700 KiB
21Wrong answer0/318ms540 KiB
22Wrong answer0/317ms628 KiB