22 lines
391 B
Java
22 lines
391 B
Java
package Course_Codes;
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import java.util.Scanner;
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//求一个十进制的二进制中含1的个数
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public class 求二进制中含1个数 {
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public static void main(String[] args) {
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Scanner sc=new Scanner(System.in);
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int count=0;//n的二进制中1的个数
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while(sc.hasNext()) {
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int n=sc.nextInt();
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while(n>0) {
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n=n&(n-1);
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count++;
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}
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System.out.println(count);
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}
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}
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}
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