191. Number of 1 Bits
！！！题目地址！！！
int hammingWeight(uint32_t n) {
int total = 0;
for (int i = 0; i < 32; i++) {
total += (n & 1);
n = n >> 1;
}
return total;
}
int hammingWeight(uint32_t n) {
int total = 0;
for (int i = 0; i < 32; i++) {
total += (n & 1);
n = n >> 1;
}
return total;
}
