Exam - 24 April 2016 problem 05 - STOP

import java.util.Scanner;

public class STOP {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = Integer.parseInt(sc.nextLine());
        int points = n+1;
        int width = (n+1)*4+1;
        int line = width/2+1;
        System.out.println(repeatString(".",points)+repeatString("_",line)+repeatString(".",points));

        int line2 = width-n*2-4;
        for (int i = 1; i <= n; i++){
            points--;
            System.out.print(repeatString(".",points)+"//");
            System.out.println(repeatString("_",line2)+"\\\\"+repeatString(".",points));
            line2+=2;
        }
        System.out.println("//"+repeatString("_",(width-9)/2)+"STOP!"+repeatString("_",(width-9)/2)+"\\\\");
        System.out.println("\\\\"+repeatString("_",width-4)+"//");

        int point2 = 1;
        int line3 = width-6;
        for (int i = 1; i<n; i++){
            System.out.println(repeatString(".",point2)+"\\\\"+repeatString("_",line3)+"//"+repeatString(".",point2));
            point2++;
            line3-=2;
        }
    }
    static String repeatString (String toRepeat, int count){
        String text = "";

        for (int i = 1; i <= count; i++){
            text = text + toRepeat;
        }
        return text;
    }
}