print permutations of given numbers.c

#include<stdio.h>
void main()
{
    int arr[100],n,j,i;
    printf("Enter the number of integers");
    scanf("%d",&n);
    printf("Enter the %d one digit integers",n);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&arr[i]);
    }



}