Submission #12,841

2025-01-02 08:33:19

cpp17

Accepted 50/50

18ms

408 KiB

#include <bits/stdc++.h>
using namespace std;

int main(){
    int n,k; cin >> n >> k;
    int sum=0;
    for (int i=0;i<n;i++){
        int x; cin >> x;
		sum+=x;
    }
    long long int ans=0;
    if (sum-k+2>0){
        for (int i=1;i<sum-k+2;i++){ans+=i;}
    }
    cout << ans;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	0/0	17ms	336 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	400 KiB
		13	Accepted	3/3	1ms	320 KiB
		14	Accepted	2/2	17ms	404 KiB
		15	Accepted	2/2	17ms	400 KiB
		16	Accepted	3/3	17ms	404 KiB
		17	Accepted	3/3	17ms	400 KiB
		18	Accepted	3/3	18ms	408 KiB
		19	Accepted	3/3	17ms	320 KiB
		20	Accepted	3/3	17ms	400 KiB
		21	Accepted	3/3	17ms	408 KiB
		22	Accepted	3/3	17ms	400 KiB