1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
#include <iostream>

unsigned int countOfBits(int number)
{
    unsigned int count = 0;
    while (number) {
        count += number & 1;
        number >>= 1;
    }
    return count;
}

int main()
{
    int n, m, bit;

    int quality = 0;

    std::cin >> n >> m;
    for (int i = n - 1; i >= 0; i--)
    {
        std::cin >> bit;

        quality += countOfBits(m - i) * bit;
    }
    std::cout << quality << std::endl;
}