Submission #2859785

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Source Code Expand

#include <stdio.h>

int main() {
    int n, x, a[(2<<19) - 1], res = 0;
    scanf("%d%d", &n, &x);
    for (int i = 0; i < n; i++) scanf("%d", a+i);
    for (int i = 0; i < n; i++) 
        if ((x & (1<<i)) == 1<<i) res += a[i]; 
    printf("%d\n", res);
    return 0;
}

Submission Info

Judge Result