题解 | #两个整数二进制位不同个数#

#include <stdio.h>

int main() {
    int a, b;
    while (scanf("%d %d", &a, &b) != EOF) { // 注意 while 处理多个 case
        // 64 位输出请用 printf("%lld") to 
        int c = a ^ b;
        int d = 0;
        int count = 0;
        while(c)
        {
            d = c%2;
            if(d == 1)
            {
                count++;
            }
            c /= 2;
        }
        printf("%d\n", count);
    }
    return 0;
}