제출 #511159

#제출 시각아이디문제언어결과실행 시간메모리
511159MulhamadlahTetris (COCI17_tetris)C++17
0 / 80
1 ms304 KiB
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
ll x,n,a[1000009];
int main()
{
    cin>>x>>n;ll sum=0;
    for(ll i=0; i<n;i++)
    {
        cin>>a[i];
        sum+=x;
        sum-=a[i];
    }
    cout<<sum+x;
    
    return 0;
}
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