题解 | 统计输入正数个数

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int count = 0;
        while ( true) {
            int num = sc.nextInt();
            if (num <= 0) {
                break;
            }
            count++;
            

        }
        System.out.println(count);
    }
}