Submission #7304122

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Source Code Expand

#include<iostream>
#include<cmath>

using namespace std;

int main(){
    int n, x, a[1009];
    cin >> n >> x;
    for(int i=0;i<n;i++){
        cin >> a[i];
    }
    int sm=0, cnt=0;
    while(x!=0){
        if(x%2==1){
            sm+=a[cnt];
        }
        x/=2;
        cnt++;
    }
    cout << sm << endl;
}

Submission Info

Judge Result