Submission #1780453

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Source Code Expand

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);++i)
#define ALL(A) A.begin(), A.end()

using namespace std;

typedef long long ll;
typedef pair<int, int> P;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int n, X; cin >> n >> X;
	vector<int> a(n, 0);
	rep (i, n) cin >> a[i];

	int res = 0;
	for (int j = 0; j < n; ++j){
		if (X & (1<<j)){
			res += a[j];
		} // end if
	} // end for

	cout << res << endl; 

	return 0;
}

Submission Info

Judge Result