spase

#include<stdio.h>
#include<stdlib.h>
struct node
{
    int row;
    int column;
    int data;
    struct node*link;
};
struct node*head=NULL;
int count=0;


void add_node()
{

    {
        for(j=0;j<c;j++)
        {
            scanf("%d",&mat[i][j]);
            if(mat[i][j]!=0)
               { count++;
               }
        }
    }
    for(i=0;i<r;i++)
    {
        for(j=0;j<c;j++)
        {
//this is importantat change we sholud look into it
            }
        }
    }

}
void display()
{
    int i;
    struct node*current=head;
    if(head==NULL)
    {
        printf("Linked List is empty .\n");
    }
    else
    {
        for(i=0;i<count+1;i++)
        {
            printf("%d\t%d\t%d\n",current->row,current->column,current->data);
            current=current->link;

        }
    }
}
int main()
{
    add_node();
    display();
    return 0;
}