fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n;
  5.     printf(" ");
  6.     scanf("%d", &n);
  7.     if (n % 2 != 0) {
  8.         printf("\n");
  9.         return 1;
  10.     }
  11.  
  12.  
  13.     for (int i = n / 2; i <= n; i += 2) {
  14.         for (int j = 1; j < n - i; j += 2) {
  15.             printf("     ");        }
  16.         for (int j = 1; j <= i; j++) {
  17.             printf("first");
  18.         }
  19.         for (int j = 1; j <= n - i; j++) {
  20.             printf("     ");
  21.         }
  22.         for (int j = 1; j <= i; j++) {
  23.             printf("first");
  24.         }
  25.         printf("\n");
  26.     }
  27.     for (int i = n; i >= 1; i--) {
  28.         for (int j = i; j < n; j++) {
  29.             printf("     ");
  30.         }
  31.         for (int j = 1; j <= (i * 2) - 1; j++) {
  32.             printf("first");
  33.         }
  34.         printf("\n");
  35.     }
  36.  
  37. 	return 0;
  38. }
  39.  
Success #stdin #stdout 0s 5280KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy
https://ideone.com/DzWPap
language:
C (gcc 8.3)
created:
4 days 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!