解题思路:
(1)逐次按位判断
class Solution {
public:
int minFlips(int a, int b, int c) {
int i=0,count=0;
while(i<32) {
int x=a&1,y=b&1,z=c&1;
if((x|y)!=z) {
if(x==1 && y==1 && z==0) count+=2;
else count++;
}
i++;
a>>=1;
b>>=1;
c>>=1;
}
return count;
}
};