제출 #1344066

#제출 시각아이디문제언어결과실행 시간메모리
1344066stoneGingerbread (BOI25_gcd)C++20
0 / 100
1 ms348 KiB
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
signed main(){
    int n;
    cin>>n;
    vector<int>a(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    sort(a.begin(),a.end());
    int l=0;
    int ans=0;
    while(1){
        int g=0;
        for(int i=0;i<n;i++){
            g= __gcd(g,a[i]);
        }
        if(g==1)break;
        a[l++]++;
        ans++;
    }
    cout<<ans;
}
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