fork download 
  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int adad;
  5.     scanf("%d",&adad);
  6.  
  7.     //print first line
  8.     for(int i = 0;i<adad;i++)
  9.     {
  10.         printf("*");
  11.     }
  12.     printf("\n");
  13.  
  14.     int i = 2, sw = 1,f=adad-1,j,namad = 1;
  15.     //half of print
  16.     for(j = 2;j<=adad/2;j++)
  17.     {
  18.         namad = 1;
  19.         printf("*");
  20.         for(int k = 2;k<i;k++,namad=1-namad) 
  21.         {
  22.             printf(namad?"#":"*");
  23.         }
  24.  
  25.         for(int k = i;k<=f;k++)
  26.         {
  27.              printf(sw?"#":"*");
  28.         }
  29.         sw = 1-sw,i++,f--;
  30.  
  31.         for(int k = f+2;k<=adad-1;k++)
  32.         { 
  33.             printf((namad = 1-namad)?"#":"*");
  34.         }
  35.         printf("*\n");
  36.     }
  37.     //print the middle line if n is odd
  38.     if(adad % 2==1){
  39.         char s = '*';
  40.         for(int i = 1;i<=adad;i++,s=(s == '*')?'#':'*')printf("%c",s);
  41.         printf("\n");
  42.         j++;
  43.     }
  44.     //print second half of lines
  45.     for(;j<=adad-1;j++){
  46.         printf("*");
  47.         i--,f++,sw = 1-sw;
  48.         for(int k = 2;k<i;k++,namad = 1-namad) printf(namad?"#":"*");
  49.         for(int k = i;k<=f;k++) printf(sw?"#":"*");
  50.         for(int k = f+1;k<=adad-1;k++) printf((namad = 1-namad)?"#":"*");
  51.         printf("*\n");
  52.     }
  53.     //print last line
  54.     for(int i =0 ;i<adad;i++)printf("*");
  55.     return 0;
  56. }
Success #stdin #stdout 0s 5268KB
comments (?)
stdin 
45
stdout 
*********************************************
*###########################################*
*#*****************************************#*
*#*#######################################*#*
*#*#*************************************#*#*
*#*#*###################################*#*#*
*#*#*#*********************************#*#*#*
*#*#*#*###############################*#*#*#*
*#*#*#*#*****************************#*#*#*#*
*#*#*#*#*###########################*#*#*#*#*
*#*#*#*#*#*************************#*#*#*#*#*
*#*#*#*#*#*#######################*#*#*#*#*#*
*#*#*#*#*#*#*********************#*#*#*#*#*#*
*#*#*#*#*#*#*###################*#*#*#*#*#*#*
*#*#*#*#*#*#*#*****************#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*###############*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*************#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*###########*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*********#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*#######*#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*#*****#*#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*#*###*#*#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*#*###*#*#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*#*****#*#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*#######*#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*#*********#*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*###########*#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*#*************#*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*###############*#*#*#*#*#*#*#*
*#*#*#*#*#*#*#*****************#*#*#*#*#*#*#*
*#*#*#*#*#*#*###################*#*#*#*#*#*#*
*#*#*#*#*#*#*********************#*#*#*#*#*#*
*#*#*#*#*#*#######################*#*#*#*#*#*
*#*#*#*#*#*************************#*#*#*#*#*
*#*#*#*#*###########################*#*#*#*#*
*#*#*#*#*****************************#*#*#*#*
*#*#*#*###############################*#*#*#*
*#*#*#*********************************#*#*#*
*#*#*###################################*#*#*
*#*#*************************************#*#*
*#*#######################################*#*
*#*****************************************#*
*###########################################*
*********************************************
https://ideone.com/O5uzuf
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!