Submission #13,793

2025-01-08 18:31:14

cpp17

Accepted 50/50

18ms

1240 KiB

#include <bits/stdc++.h>

using namespace std;

int main()
{
    long long n, x;
    cin >> n >> x;
    vector<long long> v(n,0);
    long long p = 0;
    for(long long i = 0; i < n; i++) {
        cin >> v[i];
        if (v[i] > 0) p++;
    }
    long long ossz = 0;
    for(long long j = 1; j <= p - (x - 1); j++) {
        ossz += j;
    }
    cout << ossz;
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	496 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	0/0	18ms	1076 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	316 KiB
		8	Accepted	3/3	1ms	508 KiB
		9	Accepted	3/3	1ms	328 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	500 KiB
		14	Accepted	2/2	17ms	1240 KiB
		15	Accepted	2/2	17ms	1168 KiB
		16	Accepted	3/3	18ms	1076 KiB
		17	Accepted	3/3	17ms	1148 KiB
		18	Accepted	3/3	18ms	1076 KiB
		19	Accepted	3/3	17ms	1076 KiB
		20	Accepted	3/3	18ms	1076 KiB
		21	Accepted	3/3	18ms	1076 KiB
		22	Accepted	3/3	17ms	1076 KiB