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  1. #include<stdio.h>
  2. int main()
  3. {
  4.     int n,a,b,c;
  5.     scanf("%d",&n);
  6.     int w=n*2-2;
  7.     for(a=0;a<n;a++)
  8.     {
  9.         for(b=0;b<n-a;b++)
  10.         {
  11.             printf(" ");
  12.         }
  13.         for(c=1;c<=2*a-1;c++)
  14.         {
  15.             printf("%d",c);
  16. if(c==(2*a-1)/2)
  17. {
  18. c++;
  19. for(;c>0;c--)
  20. {
  21. printf("%d",c);
  22. }
  23. break;
  24. }
  25.         }
  26.         printf("\n");
  27.     }
  28.     for(a=0;a<n;a++)
  29.     {
  30.         for(b=0;b<a;b++)
  31.         {
  32.             printf(" ");
  33.         }
  34.         for(c=1;c<=w-(2*a-1);c++)
  35.         {
  36.             printf("%d",c);
  37. if(c==(w-(2*a-1))/2)
  38. {
  39. c++;
  40. for(;c>0;c--)
  41. {
  42. printf("%d",c);
  43. }
  44. break;
  45. }
  46.         }
  47.         printf("\n");
  48.     }
  49.     return 0;
  50. }
Success #stdin #stdout 0s 5312KB
comments (?)
stdin 
5
stdout 
     
    1
   121
  12321
 1234321
123454321
 1234321
  12321
   121
    1
https://ideone.com/ZlDbbS
language:
C (clang 8.0)
created:
1 day ago
visibility:
public

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