Wuhan University of Science and Technology acm:1001: Chinese Edition C language Programming tutorial (second Edition) after class exercise 3.12

Problem Description

Enter n, and the output corresponds to a hollow positive hexagon with a side length of N.

For easy viewing, the sample midpoint '. ' Represents a space and prints a space instead of a small dot when plotting a drawing.

Input

Edge length N. (N<=20)

Output

Side length is a positive hexagon of n

Sample Input

5

Sample Output

.....*****....*.....*...*.......*.. *.........*.*...........*.. *.........*...*.......*....*.....*.....*****

1#include <stdio.h>2#include <math.h>3 voidPrtCharCintcount)4 {  5      while(count--)  6     {  7printf"%c", c); 8     }  9 }  Ten  One intMain () A {   -     intN, L; -      while(SCANF ("%d", &n)! =EOF) the     { -         if(n>0&& n<= -) -         { -L=0; +              for(; L <2N1; l++)   -             {   +Prt' ',1);  APrt' ', ABS (n-l-1));  at                  -                 if(0= = L | | L = =2N2)   -                 {   -Prt'*', N);  -                 }   -                 Else   in                 {   -Prt'*',1); toPrt' ',3N4-(ABS (L +1-N) *2)); +Prt'*',1); -                 }   theprintf"\ n"); *             }             $         }    Panax Notoginseng     }     -     return 0;  the}

Wuhan University of Science and Technology acm:1001: Chinese Edition C language Programming tutorial (second Edition) after class exercise 3.12