Submission #1241416

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Source Code Expand

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scan = new Scanner(System.in);
        double X = scan.nextDouble();
        if(X<=6){
        	System.out.println(1);
        }else if(X<=11){
        	System.out.println(2);
        }else{
        	if(X%11>6){
        	System.out.println((long)Math.ceil(X/11*2));
        	}else{
        		System.out.println((int)X/11*2+1);
        	}
        }
	}
}

Submission Info

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