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32 lines (32 loc) · 729 Bytes
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p1474.cpp
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32 lines (32 loc) · 729 Bytes
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#include<iostream>
using namespace std;
int main(){
int n;
while(cin>>n){
int i,j;
unsigned long long m;
unsigned long long num[n];
for(i=0;i<n;i++){
cin>>num[i];
}
while(n!=1){
for(i=0;i<n-1;i++){
for(j=0;j<n-i-1;j++){
if(num[j]>num[j+1]){
m=num[j];
num[j]=num[j+1];
num[j+1]=m;
}
}
}
m=num[0]*num[1]+1;
num[0]=m;
n--;
for(i=1;i<n;i++){
num[i]=num[i+1];
}
}
cout<<num[0]<<endl;
}
return 0;
}