这个题目: 多复习一下数学知识: import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); int x = input.nextInt(); int count = 0 ; int p = 5 ; while (x>0) { count = count + x / p; x = x / p; } System.out.println(count); } }