An elephant decided to visit his friend. It turned out that the elephant’s house is located at point 0 and his friend’s house is located at point x(x > 0) of the coordinate line. In one step the elephant can move 1, 2, 3, 4 or 5 positions forward. Determine, what is the minimum number of steps he need to make in order to get to his friend’s house.
The first line of the input contains an integer x (1 ≤ x ≤ 1 000 000) — The coordinate of the friend’s house.
第一行輸入包含了一個整數 x (1 ≤ x ≤ 1 000 000) – 朋友房子的座標
輸出
Print the minimum number of steps that elephant needs to make to get from point 0 to point x.
印出大象從 點0 移動到 點x 需要的最少步數
範例
輸入
5
輸出
1
輸入
12
輸出
3
解題思路
到朋友家,然後一步可以走1到5的距離,那我當然沒問題的話都走5啊! 毫無疑問的吧
故寫起來也挺容易的,判斷是否能被5整除,若不行則加上一步就好!
C#解決方案
方案1
int n = int.Parse(Console.ReadLine());
int res = n/5+(n%5==0?0:1);
Console.WriteLine(res);
Java解決方案
方案1
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int n = scanner.nextInt();
System.out.println(n/5+(n%5==0?0:1));
}
}
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