class Solution {
public:
int findComplement(int num) {
int sum = 0;
longlong x = 1;
while(num){
int shang = num/2;
int yu = num%2;
int y = (yu == 1)?0:1;
sum += x*y;
x = x*2;
num = shang;
}
return sum;
}
};
posted on
2021-01-08 16:09村雨sup
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