#include <stdio.h>
int get_different(int x,int y)
{
int a =(x^y);//先计算所有差异位
int count = 0;
for(int i =0;i<32;i++)
{
if((a>>i)&1)//再接着判断即可
count++;
}
return count;
}
int main()
{
int a =0;
int b =0;
scanf("%d %d",&a,&b);
int ret = get_different(a,b);
printf("%d",ret);
} #include <stdio.h>
int compare(int a,int b)
{
int count = 0;
for (int i = 0; i < 32; i++)
{
int x = a & (1 << i);
int y = b & (1 << i);
if (x != y)
count++;
}
return count;
}
int main() {
int a, b;
while (scanf("%d %d", &a, &b) != EOF)
{
int count = compare(a, b);
printf("%d\n", count);
}
return 0;
}