Submission #13,476

2025-01-08 08:01:56

cpp17

Wrong answer 42/50

18ms

784 KiB

#include <iostream>

using namespace std;

int main()
{
    long long n, k;
    cin >> n >> k;
    int t[n];
    long long r=0, db=0;
    for(int i=0; i<n; i++)
    {
        cin >> t[i];
        if(t[i]==1)
        {
            ++db;
        }
    }
    if(db>=k)
    {
        int p=(db-k+1);
        r=(p*(p+1))/2;
    }
    cout << r;
}

	Sum	Test	Verdict		Time	Memory
base	42/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	0/0	18ms	676 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	316 KiB
		10	Accepted	2/2	1ms	352 KiB
		11	Accepted	3/3	1ms	316 KiB
		12	Accepted	2/2	1ms	316 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	2/2	17ms	564 KiB
		15	Wrong answer	0/2	17ms	564 KiB
		16	Accepted	3/3	18ms	732 KiB
		17	Accepted	3/3	17ms	600 KiB
		18	Wrong answer	0/3	18ms	768 KiB
		19	Accepted	3/3	18ms	780 KiB
		20	Accepted	3/3	17ms	784 KiB
		21	Accepted	3/3	18ms	684 KiB
		22	Wrong answer	0/3	17ms	752 KiB