178152025-09-17 18:34:56algoproPontos Átlagcpp17Accepted 100/10093ms2064 KiB
// UUID: e6d0ca76-5847-4550-80ba-1c3239d94cf6
#include <bits/stdc++.h>
using namespace std;

int main() {
	long long n; 
	cin >> n;
	long long db = 0;
	long long k; cin >> k;
	vector <long long> a(n);
	for(int i = 0; i < n; i++)
	{
		cin  >> a[i];
		db += a[i];
	}
	long long cot = 0;
	long long jo = n * k;
	sort(a.rbegin(), a.rend());
	if(db == jo) cout << 0 << endl;
	else if(db < jo) cout << 1 << endl;
	else
	{
		for(int i = 0; i < n; i++)
		{
			db -= (a[i] - 1);
			cot++;
			if(db <= jo){ 
				cout << cot << '\n';
				break;
			}
		}
	}
	
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
2Accepted1ms316 KiB
subtask220/20
3Accepted1ms316 KiB
4Accepted1ms512 KiB
5Accepted1ms316 KiB
6Accepted1ms316 KiB
7Accepted1ms316 KiB
8Accepted1ms316 KiB
9Accepted1ms316 KiB
10Accepted1ms356 KiB
11Accepted1ms316 KiB
12Accepted1ms316 KiB
13Accepted1ms316 KiB
subtask340/40
14Accepted1ms508 KiB
15Accepted1ms316 KiB
16Accepted1ms316 KiB
17Accepted1ms316 KiB
18Accepted1ms316 KiB
19Accepted1ms316 KiB
20Accepted1ms316 KiB
21Accepted1ms396 KiB
22Accepted1ms316 KiB
23Accepted1ms316 KiB
24Accepted1ms512 KiB
25Accepted1ms316 KiB
26Accepted1ms316 KiB
subtask440/40
27Accepted92ms1972 KiB
28Accepted93ms1976 KiB
29Accepted92ms1976 KiB
30Accepted93ms2064 KiB
31Accepted93ms2028 KiB
32Accepted93ms1844 KiB
33Accepted93ms1976 KiB
34Accepted93ms1844 KiB
35Accepted93ms2036 KiB
36Accepted85ms1844 KiB
37Accepted93ms1980 KiB
38Accepted43ms1976 KiB
39Accepted89ms1844 KiB
40Accepted92ms1844 KiB
41Accepted68ms1844 KiB
42Accepted92ms1976 KiB
43Accepted64ms1968 KiB