"Any fool can write code that a computer can understand. Good programmers write code that humans can understand." (fool) ? maybe : maybeNot

sexyPyramid.c

/*
This program prints a sexy pyramid with the following pattern sequence:

input: 15
output:
              1
             232
            34543
           4567654
          567898765
         67890109876
        7890123210987
       890123454321098
      90123456765432109
     0123456789876543210
    123456789010987654321
   23456789012321098765432
  3456789012345432109876543
 456789012345676543210987654
56789012345678987654321098765

Guys, don't copy the code, use for reference only! ;)

@author   Gourav Khunger (github/gouravkhunger), Vardhaman Kalloli (github/cyai);
@version  1.0
@since    3:34AM 04-11-2023
*/

#include <stdio.h>

int main(void) {
  int n;
  printf("Enter the height of your sexy pyramid: ");
  scanf("%d", &n);

  int c = 0;

  for(int i = 0; i < n; i++) {
    for (int j = 0; j < (n - i - 1); j++) putchar(' ');

    c = i == 0 ? 1 : ((i + 1) % 10);

    for (int j = 0; j <= i; j++, c++, c = c > 9 ? 0 : c)
      printf("%d", c);

    c -= 2;
    c = c < 0 ? 8 : c;

    for (int j = 0; j < i; j++, c--, c = c < 0 ? 9 : c)
      printf("%d", c);

    putchar('\n');
  }

  return 0;
}

    /\_/\     /\_/\
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   Gourav  ♥  Vardhaman