#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
int cal_diff_bits(int m, int n) {
int count = 0;
for (int i = 0; i < 32; ++i) {
if (((m >> i) & 1) != ((n >> i) & 1)) {
++count;
}
}
return count;
}
int cal_diff_bits1(int m, int n) {
int ret = m^n;
int count = 0;
while (ret) {
ret &= (ret - 1);
++count;
}
return count;
}
int main() {
int m;
int n;
scanf("%d %d", &m, &n);
printf("%d\n",cal_diff_bits(m, n));
printf("%d\n", cal_diff_bits1(m, n));
system("pause");
return 0;
}
9 10
2
2
请按任意键继续. . .