class Solution {
public:
int hammingWeight(uint32_t n) {
int res = 0;
for (int i = 0; i < 32; ++i) {
res+=0x1&(n>>i);
}
return res;
}
};
class Solution {
public:
int hammingWeight(uint32_t n) {
int res = 0;
for (int i = 0; i < 32; ++i) {
res+=0x1&(n>>i);
}
return res;
}
};