Submission #13,214

2025-01-07 08:53:18

cpp17

Wrong answer 42/50

17ms

808 KiB

#include<vector>
#include <iostream>
using namespace std;
int main()
{
    int n,k;
    cin >> n >> k;
    vector<int> v(n);
    int s = 0;
    for (int i = 0; i < n; i++) {
        cin >> v[i];
        if (v[i] == 1) s++;
    }
    int vsz = 0;
    if (k!=1){
        while (s >= k) {
            vsz += s - k + 1;
            s--;
        }
    }
    else {
        while (s >= k) {
            vsz += s - k;
                s--;
        }
    }

    cout << vsz << endl;
}

	Sum	Test	Verdict		Time	Memory
base	42/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	508 KiB
		3	Accepted	0/0	17ms	800 KiB
		4	Accepted	2/2	1ms	500 KiB
		5	Accepted	2/2	1ms	316 KiB
		6	Accepted	2/2	1ms	316 KiB
		7	Accepted	3/3	1ms	316 KiB
		8	Accepted	3/3	1ms	316 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	320 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	2/2	17ms	576 KiB
		15	Wrong answer	0/2	17ms	788 KiB
		16	Accepted	3/3	17ms	792 KiB
		17	Accepted	3/3	17ms	564 KiB
		18	Wrong answer	0/3	17ms	800 KiB
		19	Accepted	3/3	17ms	808 KiB
		20	Accepted	3/3	17ms	564 KiB
		21	Accepted	3/3	17ms	804 KiB
		22	Wrong answer	0/3	17ms	564 KiB