Swapping column value of 2D array in C.

#include <stdio.h>

int main()

{

    int array[100][100],array1[100][100];

    int i,j,c,r;

   

    printf("Please Enter the row number: ");

    scanf("%d",&r);

    printf("Please Enter the column number: ");

    scanf("%d",&c);

    printf("Please enter a %d X %d array :",r,c);

    for(i=0; i<r; i++)

    {

        for(j=0; j<c; j++)

        {

            scanf("%d",&array[i][j]);

        }

    }

    for(i=0; i<r; i++)

    {

        for(j=c-1,k=0; j>=0; j--,k++)

        {

            array1[i][k]=array[i][j];  ///saving and swapping the column

        }

    }

    printf("Your array is: ");

    for(i=0; i<r; i++)

    {

        for(j=0; j<c; j++)

        {

            printf("%d ",array1[i][j]);

        }

        printf("");

    }

    return 0;

}