Add each element of a 2D array in C.

#include <stdio.h>

int main()

{

    int array[100][100];

    int i,j,c,r;

    int sum=0;

    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=0;j<c;j++)

        {

           sum=sum+array[i][j]; /// add every element of the array

        }

    }

    printf("
The sum is: %d
",sum);

    return 0;

}