public class Solution {
public int NumberOf1(int n) {
int count = 0;
while(n != 0) {
count++;
n = n & (n - 1);
}
return count;
}
}
public class Solution {
public int NumberOf1(int n) {
int count = 0;
while(n != 0) {
count++;
n = n & (n - 1);
}
return count;
}
}