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
https://www.nowcoder.com/practice/440f16e490a0404786865e99c6ad91c9
import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int a = in.nextInt();
int b=0,c;
while(a>1){
c = a/2;
//int c = a%2;
if(a%2==1){
b +=1;
}
a =c;
}
System.out.print(b+1);
}
}