Submission #17,716

2025-09-16 17:47:34

cpp17

Accepted 100/100

93ms

2040 KiB

// UUID: d137f5db-241b-41a7-a578-c2ccd176af3d
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
	ll n, k;
    cin >> n >> k;
    vector <ll> v(n);
    long long ossz = 0;
    long long termek = 0;
    for( ll i = 0; i < n; i++ ){
        cin >> v[i];
        ossz+=v[i];
    }
    ll a = ossz - n*k;
    if(a < 0) cout << 1 << "\n";
    else if (a == 0) cout << 0 << "\n";
    else {
        sort (v.rbegin(), v.rend());
        ll i = 0;
        while (a > 0){
            if(v[i] <= a) a-= v[i]-1;
            else a = 0;
            termek++;
            i++;
        }
        cout << termek << "\n";
    }
}

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
		1	Accepted	1ms	316 KiB
		2	Accepted	1ms	512 KiB
subtask2	20/20
		3	Accepted	1ms	316 KiB
		4	Accepted	1ms	328 KiB
		5	Accepted	1ms	316 KiB
		6	Accepted	1ms	328 KiB
		7	Accepted	1ms	316 KiB
		8	Accepted	1ms	316 KiB
		9	Accepted	1ms	316 KiB
		10	Accepted	1ms	508 KiB
		11	Accepted	1ms	356 KiB
		12	Accepted	1ms	316 KiB
		13	Accepted	1ms	316 KiB
subtask3	40/40
		14	Accepted	1ms	316 KiB
		15	Accepted	1ms	328 KiB
		16	Accepted	1ms	316 KiB
		17	Accepted	1ms	404 KiB
		18	Accepted	1ms	316 KiB
		19	Accepted	1ms	376 KiB
		20	Accepted	2ms	316 KiB
		21	Accepted	1ms	316 KiB
		22	Accepted	1ms	316 KiB
		23	Accepted	1ms	328 KiB
		24	Accepted	1ms	316 KiB
		25	Accepted	1ms	316 KiB
		26	Accepted	1ms	316 KiB
subtask4	40/40
		27	Accepted	71ms	2028 KiB
		28	Accepted	93ms	1844 KiB
		29	Accepted	92ms	1972 KiB
		30	Accepted	93ms	1844 KiB
		31	Accepted	93ms	1844 KiB
		32	Accepted	92ms	1844 KiB
		33	Accepted	93ms	2040 KiB
		34	Accepted	93ms	1844 KiB
		35	Accepted	93ms	1844 KiB
		36	Accepted	82ms	2040 KiB
		37	Accepted	71ms	1844 KiB
		38	Accepted	41ms	1844 KiB
		39	Accepted	89ms	1972 KiB
		40	Accepted	90ms	1968 KiB
		41	Accepted	68ms	1844 KiB
		42	Accepted	90ms	1976 KiB
		43	Accepted	61ms	1844 KiB