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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int n = 6;
  5.  
  6.     int res = 1;
  7.     for(int i = 1; i <= n; i++) {
  8.         for(int j = 1; j <= n - i; j++)
  9.             printf(" ");
  10.         for(int k = 1; k <= res; k++)
  11.             printf("*");
  12.  
  13.         res += 2;
  14.         printf("\n");
  15.     }
  16.  
  17.     res = (n % 2 == 0) ? (res / 2) - 1 : res / 2;
  18.     for(int i = n + 1; i <= 2 * n; i++) {
  19.         for(int j = 1; j <= n / 2; j++)
  20.             printf(" ");
  21.         for(int k = 1; k <= res; k++)
  22.             printf("*");
  23.         printf("\n");
  24.     }
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5272KB
comments (?)
stdin
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Standard input is empty
stdout
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     *
    ***
   *****
  *******
 *********
***********
   *****
   *****
   *****
   *****
   *****
   *****
https://ideone.com/JsnVVV
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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