Submission #11,725

2024-11-08 10:14:09

cpp17

Accepted 50/50

18ms

508 KiB

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n,k;
    cin >> n >> k;
    int v = 0;
    long sz = 0;
    for(int i = 0; i < n; i++)
    {
        int a;
        cin >> a;
        if(a==1)
        {
            v++;
            if(v-k+1>0)
                sz+=v-k+1;
        }
    }
    cout << sz;
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	508 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	0/0	17ms	508 KiB
		4	Accepted	2/2	1ms	320 KiB
		5	Accepted	2/2	1ms	320 KiB
		6	Accepted	2/2	1ms	320 KiB
		7	Accepted	3/3	1ms	320 KiB
		8	Accepted	3/3	1ms	320 KiB
		9	Accepted	3/3	1ms	320 KiB
		10	Accepted	2/2	1ms	320 KiB
		11	Accepted	3/3	1ms	400 KiB
		12	Accepted	2/2	1ms	320 KiB
		13	Accepted	3/3	1ms	320 KiB
		14	Accepted	2/2	16ms	408 KiB
		15	Accepted	2/2	17ms	400 KiB
		16	Accepted	3/3	17ms	404 KiB
		17	Accepted	3/3	17ms	404 KiB
		18	Accepted	3/3	17ms	396 KiB
		19	Accepted	3/3	17ms	320 KiB
		20	Accepted	3/3	17ms	504 KiB
		21	Accepted	3/3	18ms	400 KiB
		22	Accepted	3/3	17ms	404 KiB