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); } } }