Submission #11,913

11913

2024-11-19 18:51:38

cpp17

Wrong answer 36/50

18ms

508 KiB

#include <iostream>

using namespace std;

int main()
{
    int n;
    int k;
    int szam;
    int ja=0;
    int j;
    cin >> n;
    cin >> k;
    for(int i=0; i < n; i++){
        cin >> j;
        ja += j;
    }
    int jo=ja*(ja-1)/2-(ja-1)*(k-2)+(k-2)*(k-3)/2;
    cout << ((ja>=k-1)?jo:0) << "\n";

    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	36/50
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	0/0	18ms	320 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	332 KiB
		13	Accepted	3/3	1ms	320 KiB
		14	Accepted	2/2	17ms	500 KiB
		15	Wrong answer	0/2	17ms	408 KiB
		16	Wrong answer	0/3	18ms	400 KiB
		17	Accepted	3/3	17ms	400 KiB
		18	Wrong answer	0/3	18ms	320 KiB
		19	Accepted	3/3	18ms	508 KiB
		20	Wrong answer	0/3	17ms	400 KiB
		21	Accepted	3/3	18ms	408 KiB
		22	Wrong answer	0/3	18ms	320 KiB