Submission #8,290

2024-01-14 09:49:06

cpp17

Accepted 50/50

4ms

3692 KiB

#include <bits/stdc++.h>
#define speed cin.tie(0); ios::sync_with_stdio(0)
using namespace std;

int N, K, M;
int main() {
    speed;

    cin >> N >> K;
    while (N--) {
        char c; cin >> c;
        M += c == '1';
    }

    long long result = 0;
    for (int i = 0; i < M; i++) {
        int curr = M - (i + K) + 1;
        if (curr > 0) result += curr;
    }

    cout << result;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	3ms	1888 KiB
		2	Accepted	0/0	3ms	2232 KiB
		3	Accepted	0/0	4ms	2564 KiB
		4	Accepted	2/2	3ms	2568 KiB
		5	Accepted	2/2	2ms	2576 KiB
		6	Accepted	2/2	3ms	2816 KiB
		7	Accepted	3/3	2ms	2900 KiB
		8	Accepted	3/3	3ms	2916 KiB
		9	Accepted	3/3	3ms	3132 KiB
		10	Accepted	2/2	3ms	3148 KiB
		11	Accepted	3/3	3ms	3364 KiB
		12	Accepted	2/2	2ms	3404 KiB
		13	Accepted	3/3	2ms	3472 KiB
		14	Accepted	2/2	4ms	3476 KiB
		15	Accepted	2/2	4ms	3476 KiB
		16	Accepted	3/3	4ms	3480 KiB
		17	Accepted	3/3	4ms	3472 KiB
		18	Accepted	3/3	4ms	3476 KiB
		19	Accepted	3/3	4ms	3540 KiB
		20	Accepted	3/3	4ms	3692 KiB
		21	Accepted	3/3	4ms	3548 KiB
		22	Accepted	3/3	4ms	3544 KiB