d073: 分組報告

題目:http://zerojudge.tw/ShowProblem?problemid=d073

程式碼:

import java.util.Scanner;

public class d073 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
           int n = sc.nextInt();//輸入座號
           System.out.println((n-1)/3+1);
        }
    }
}