Submission #24,450

2026-02-11 19:33:00

cpp17

Accepted 50/50

8ms

500 KiB

#include <iostream>

using namespace std;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n, k;
	cin >> n >> k;
	int o = 0;
	int szam;
	for (int i = 0; i < n; ++i)
	{
		cin >> szam;
		o += szam;
	}
	if (o >= k)
		cout << (unsigned long long int)(o - k + 1) * (o - k + 2) / 2;
	else cout << 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	1ms	316 KiB
		3	Accepted	0/0	7ms	316 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	316 KiB
		9	Accepted	3/3	1ms	316 KiB
		10	Accepted	2/2	1ms	316 KiB
		11	Accepted	3/3	1ms	316 KiB
		12	Accepted	2/2	1ms	364 KiB
		13	Accepted	3/3	1ms	316 KiB
		14	Accepted	2/2	7ms	316 KiB
		15	Accepted	2/2	7ms	316 KiB
		16	Accepted	3/3	8ms	500 KiB
		17	Accepted	3/3	7ms	428 KiB
		18	Accepted	3/3	8ms	424 KiB
		19	Accepted	3/3	7ms	316 KiB
		20	Accepted	3/3	8ms	316 KiB
		21	Accepted	3/3	8ms	316 KiB
		22	Accepted	3/3	7ms	316 KiB