Submission #229563

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Source Code Expand

#include <iostream>
#include <string>
#include <array>
#include <vector>
#include <queue>
#include <stack>
#include <list>
#include <set>
#include <map>
#include <algorithm>
#include <cmath>
#include <iomanip>

#define FOR(i, a, b) for(decltype(b) i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)

typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int uint;

using namespace std;

int main()
{
	int n, x, s = 0;

	cin >> n >> x;

	for (int i = 0; i < n; ++i)
	{
		int a;
		cin >> a;
		if (x & 1)
			s += a;
		x >>= 1;
	}

	cout << (s) << endl;

	return 0;
}

Submission Info

Judge Result