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乙级1056 组合数的和(C++)更优解 #163

@arkerdota

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@arkerdota
 #include <iostream>
using namespace std;
int main(){
     int N,sum=0,temp;
     cin>>N;
     for (int i=0;i<N;i++){
        cin>>temp;
         sum +=temp*11*(N-1);
     }
    cout<<sum;
}

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