제출 #1283329

#제출 시각아이디문제언어결과실행 시간메모리
1283329diep38Tarifa (COCI16_tarifa)C++20
50 / 50
2 ms1096 KiB
#include <bits/stdc++.h>
using namespace std;
#define int long long
int x,n;
signed main(){
	cin>>x>>n;
	int a[100005];
	for(int i=1;i<=n;++i){
		cin>>a[i];
	}
	int ans=0;
	for(int i=1;i<=n;++i){
		ans+=x-a[i];
	}
	cout<<ans+x;
}
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