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);
String s = Integer.toBinaryString(sc.nextInt());
int num = 0;
for (int i= 0 ; i < s.length();i++) {
if (s.charAt(i) == '1'){
num++;
}
}
System.out.println(num);
}
}
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String s = Integer.toBinaryString(sc.nextInt());
int num = 0;
for (int i= 0 ; i < s.length();i++) {
if (s.charAt(i) == '1'){
num++;
}
}
System.out.println(num);
}
}
