题解 | #查找输入整数二进制中1的个数#
查找输入整数二进制中1的个数
http://www.nowcoder.com/practice/1b46eb4cf3fa49b9965ac3c2c1caf5ad
import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner input = new Scanner(System.in);
while(input.hasNext()){
int in = input.nextInt();
int count=0;
while(in!=0){
if(in%2==1) count++;
in=in>>1;
}
System.out.println(count);
}
}
}
查看20道真题和解析