Submission #12,032

12032

2024-11-25 15:49:30

cpp17

Wrong answer 42/50

18ms

508 KiB

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int N,K,n=0;
    cin>>N>>K;
    bool x;
    for(int i=1; i<=N; i++)
    {
        cin>>x;
        if(x)n++;
    }
    if(n>=K)
    cout<<(n-K+1)*(n-K+2)/2;
    else cout<<0;
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	42/50
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	0/0	18ms	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	320 KiB
		12	Accepted	2/2	1ms	320 KiB
		13	Accepted	3/3	1ms	392 KiB
		14	Accepted	2/2	17ms	400 KiB
		15	Wrong answer	0/2	17ms	404 KiB
		16	Accepted	3/3	18ms	404 KiB
		17	Accepted	3/3	17ms	400 KiB
		18	Wrong answer	0/3	18ms	404 KiB
		19	Accepted	3/3	18ms	500 KiB
		20	Accepted	3/3	18ms	404 KiB
		21	Accepted	3/3	18ms	400 KiB
		22	Wrong answer	0/3	17ms	408 KiB