Submission #12,009

12009

2024-11-24 16:17:50

cpp17

Wrong answer 42/50

19ms

768 KiB

#include <iostream>

using namespace std;

int main()
{
    int k,n,db1=0;;
    cin>>n;
    cin>>k;
    int a[n];
    for(int i=0;i<=n-1;i++)
    {
        cin>>a[i];
    }
    for(int i=0;i<=n-1;i++)
    {
        if(a[i]==1) db1++;
    }
    long x=(db1-k+1)*(db1-k+2)/2;
    if(db1<k) cout<<"0";
    else cout<<x;
    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	656 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	508 KiB
		10	Accepted	2/2	1ms	512 KiB
		11	Accepted	3/3	1ms	500 KiB
		12	Accepted	2/2	1ms	320 KiB
		13	Accepted	3/3	1ms	320 KiB
		14	Accepted	2/2	17ms	728 KiB
		15	Wrong answer	0/2	17ms	540 KiB
		16	Accepted	3/3	18ms	524 KiB
		17	Accepted	3/3	17ms	712 KiB
		18	Wrong answer	0/3	19ms	768 KiB
		19	Accepted	3/3	18ms	568 KiB
		20	Accepted	3/3	18ms	732 KiB
		21	Accepted	3/3	18ms	568 KiB
		22	Wrong answer	0/3	18ms	648 KiB