Submission #7469641

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Source Code Expand

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rrep(i,n) for(int i=(int)(n-1);i>=0;i--)
#define FOR(i,n,m) for(int i=n;i<=(int)(m);i++)
#define RFOR(i,n,m) for(int i=(int)(n);i>=m;i--)
#define all(x) (x).begin(),(x).end()
#define sz(x) int(x.size())
typedef long long ll;
const int INF = 1e9;
const int MOD = 1e9+7;
const ll LINF = 1e18;
using namespace std;
int main(){
    int n,x;
    cin>>n>>x;
    vector<int> a(n);
    rep(i,n) cin>>a[i];
    
    int ans=0;
    rep(i,n){
        if(x&(1<<i)) ans+=a[i];
    }
    cout<<ans<<endl;
}

Submission Info

Judge Result