This C program takes an odd number (N) as input and returns a pyramid of N row

pyramid_star.c

#include <stdio.h>

int main() {
  int rows, i, j, k, spaces, stars;
  printf("Enter rows for your pyramid:\n");
  scanf("%d", &rows);
  spaces = rows -1;
  stars = 1;
  if (rows % 2 > 0 && rows < 30){
    printf("Your pyramid should look like this:\n");
    for (i=0; i<rows; i++){
      for (j=0; j<spaces; j++){
        printf(" ");
      }
      spaces--;
      for (k=0; k<stars; k++){
        printf("*");
      }
      stars += 2;
      printf("\n");
    }
  } else {
    printf("please enter odd numbers less than 30 only\n");
  }  
  return 0;
}