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;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
int finalNum = 0;
//根据短除法除2取余
while(num > 1) {if(num%2 == 1) finalNum++;
num /= 2;
}
if(num == 1) finalNum++;
System.out.println(finalNum);
sc.close();
}
}
