Submission #8,684

2024-01-25 10:52:34

cpp17

Accepted 50/50

20ms

4076 KiB

#include <iostream>
using namespace std;

/**
 * Fails on njduge tests 15, 18, 22
*/
int main()
{
    long long retekSzama, K;
    cin >> retekSzama;
    cin >> K;

    long long szabadRetek = 0;
    bool ret;
    for (int i = 0; i < retekSzama; i++) {
        cin >> ret;
        szabadRetek += ret;
    }
    long long N = szabadRetek-K+1;
    if (szabadRetek >= K) cout << (int) N*(N+1)/2;
    else cout << 0;
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	3ms	1872 KiB
		2	Accepted	0/0	3ms	2124 KiB
		3	Accepted	0/0	20ms	2332 KiB
		4	Accepted	2/2	3ms	2440 KiB
		5	Accepted	2/2	3ms	2500 KiB
		6	Accepted	2/2	3ms	2632 KiB
		7	Accepted	3/3	3ms	2712 KiB
		8	Accepted	3/3	3ms	3112 KiB
		9	Accepted	3/3	3ms	3340 KiB
		10	Accepted	2/2	3ms	3328 KiB
		11	Accepted	3/3	3ms	3540 KiB
		12	Accepted	2/2	3ms	3472 KiB
		13	Accepted	3/3	3ms	3664 KiB
		14	Accepted	2/2	18ms	3732 KiB
		15	Accepted	2/2	18ms	3736 KiB
		16	Accepted	3/3	19ms	3852 KiB
		17	Accepted	3/3	19ms	3988 KiB
		18	Accepted	3/3	20ms	4076 KiB
		19	Accepted	3/3	19ms	3952 KiB
		20	Accepted	3/3	19ms	3956 KiB
		21	Accepted	3/3	20ms	3952 KiB
		22	Accepted	3/3	19ms	3956 KiB