Submission #14,336

2025-01-10 16:44:12

cpp17

Accepted 50/50

8ms

508 KiB

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

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n,k;
    cin>>n>>k;

    int cnt=0;
    ll ans=0;
    while (n--){
        int a; cin>>a;
        if (a) {
            cnt++;
            if (cnt>=k){
                ans+=(cnt-k+1);
            }
        }
    }
    cout<<ans;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	496 KiB
		3	Accepted	0/0	8ms	508 KiB
		4	Accepted	2/2	1ms	316 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	316 KiB
		7	Accepted	3/3	1ms	500 KiB
		8	Accepted	3/3	1ms	508 KiB
		9	Accepted	3/3	1ms	316 KiB
		10	Accepted	2/2	1ms	316 KiB
		11	Accepted	3/3	1ms	316 KiB
		12	Accepted	2/2	1ms	316 KiB
		13	Accepted	3/3	1ms	384 KiB
		14	Accepted	2/2	7ms	328 KiB
		15	Accepted	2/2	7ms	500 KiB
		16	Accepted	3/3	8ms	316 KiB
		17	Accepted	3/3	7ms	316 KiB
		18	Accepted	3/3	8ms	500 KiB
		19	Accepted	3/3	7ms	420 KiB
		20	Accepted	3/3	8ms	316 KiB
		21	Accepted	3/3	8ms	316 KiB
		22	Accepted	3/3	7ms	420 KiB