Program to print the given number pattern

    1
   23
  345
 4567
56789

C Programming Language / Loop control in C Language

11159

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Program:

/**
 * C program to print number pattern
 */

#include <stdio.h>

int main()
{
    int i, j, k, N;

    printf("Enter N: ");
    scanf("%d", &N);

    for(i=1; i<=N; i++)
    {
        k = i;

        // Logic to print spaces
        for(j=i; j<N; j++)
        {
            printf(" ");
        }

        // Logic to print numbers
        for(j=1; j<=i; j++, k++)
        {
            printf("%d", k);
        }

        printf("\n");
    }

    return 0;
}

Output:

     1
   23
  345
 4567
56789 

Explanation:

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