int chaju(int a, int b)
{
int c = a^b;
int set1 = 0;
int i = 0;
for ( i = 0; i < 32; i++)
{
if (1 == ((c >> i) & 1))
set1++;
}
return set1;
}
int main()
{
int num1 = 0;
int num2 = 0;
int num3 = 0;
printf("请输入:>");
scanf("%d%d", &num1, &num2);
num3=chaju(num1, num2);
printf("%d\n",num3);
return 0;
}原文：https://blog.51cto.com/14893161/2527954