题解 | #求int型正整数在内存中存储时1的个数#
求int型正整数在内存中存储时1的个数
http://www.nowcoder.com/practice/440f16e490a0404786865e99c6ad91c9
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
int n = 0;
while(num != 0){
int j = num % 2;
if(j == 1){
n++;
}
num /= 2;
}
System.out.println(n);
}
}
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