选择题

编程题
题目1

import java.util.Scanner;

public class Main { 
	public static boolean res(int m) {
		int sum = 0;
		for(int i=1;i<=m;i++) {
			if(i!=m && m%i == 0) {
				sum+=i;
			}
		}
		if(sum == m)
			return true;
		else
			return false;
	}
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = 0;
		for(int i=1;i<=n;i++) {
			if(res(i)) {
				m++;
			}
		}
		System.out.println(m);
		sc.close();
	}
}