This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <queue>
using namespace std;
int main(){
int n;
cin>>n;
vector<int>cards(n);
vector<int>minimums(n, 1e9);
for (int i=0; i<n; i++) cin>>cards[i];
sort(cards.begin(), cards.end());
int ans=0;
for (int i=0; i<n; i++){
for (int j=i+1; j<n; j++){
if (cards[j]%cards[i]==0){
minimums[i]=0;
minimums[j]=0;
}else{
int mini=min(cards[j]%cards[i], cards[i]);
minimums[i]=min(minimums[i], mini);
minimums[j]=min(minimums[j], mini);
}
}ans+=minimums[i];
}cout<<ans<<endl;
return 0;
}
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