Program to Print Number Pattern

    1
   232
  34543
 4567654
567898765
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// C program to illustrate the above
// given pattern of numbers.
#include <stdio.h>

int main()
{
	int n = 5, i, j, num = 1, gap;

	gap = n - 1;

	for (j = 1; j <= n; j++) {
		num = j;

		for (i = 1; i <= gap; i++)
			printf(" ");

		gap--;

		for (i = 1; i <= j; i++) {
			printf("%d", num);
			num++;
		}
		num--;
		num--;
		for (i = 1; i < j; i++) {
			printf("%d", num);
			num--;
		}
		printf("");
	}

	return 0;
}