Pattern Printing - Till N & Reverse

The program must accept an integer N and print 2N lines as shown in the Example Input/Output.

Input Format:
The first line contains N.

Output Format:
2N lines as shown in the Example Input/Output.

Boundary Conditions:
2 <=  N <= 100

Example Input/Output 1:
4

Output:
1
22
333
4444
4444
333
22
1

Example Input/Output 2:
7

Output:
1
22
333
4444
55555
666666
7777777
7777777
666666
55555
4444
333
22
1

Code:

#include<stdio.h>

#include <stdlib.h>

void main()

{

int n,i,j;

scanf("%d",&n);

for(i=1;i<=n;i++)

{

    for(j=0;j<i;j++)

    printf("%d",i);

    printf("\n");

}

for(i=n;i>=1;i--)

{

    for(j=0;j<i;j++)

    printf("%d",i);

    printf("\n");

}

}

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