Program to implementation of a sparse matrix using array in C language

 A Sparse matrix is a matrix in which the maximum elements are zero.

Here in the given program we implement the sparse matrix by using  Array .
  
Functions used to make  a  sparse matrix program are:-
 1. Library functions
   (a). printf();
   (b). scanf();
   (c) getch();

Header files are:-
 1.#include<conio.h>
 2.#include<stdio.h> 

Data type used are-:
1.int 

       
*********Program Start*********

// header files :- These files are necessary to use in your program to
                          call the library function like getch(); printf(); etc.

#include<conio.h>
#include<stdio.h> 

// From here compiler start reading your program .
//drive code
 void main()
                                                                                                 
                                                                               {
// Data type declaration  and initialization of variables
 int arr[10][10],i,j,r,c,k=0,count=0,nm[10][10];

//To clear the previous screen
clrscr();


// Data input  printf("\nenter size of row");
 scanf("%d",&r);
 printf("\nenter size of column");
 scanf("%d",&c);

 printf("\nenter data in the array");

// starting loop
                  for(i=0;i<r;i++)
 {
                  for(j=0;j<c;j++)
 {
                  printf("\nenter data-:%d",i);
                  scanf("%d",&arr[i][j]);
 }
  }
//Ending loop

//Starting loop                 for(i=0;i<r;i++)
     {
                for(j=0;j<c;j++)
   {
             if(arr[i][j]!=0)
     count++;
}
}
//Ending loop

  //Starting loop

           for(i=0;i<r;i++)
{
           for(j=0;j<c;j++)
{
            if(arr[i][j]!=0)
       {    nm[0][k]=i;
             nm[1][k]=j;
             nm[2][k]=arr[i][j];
            k++;
       }
}
} 
//Ending loop

           printf("\ndisplay of the array:-\n");

//Starting of loop        for(i=0;i<3;i++)
 {
        for(j=0;j<count;j++)
 {

             printf("%d\t",nm[i][j]);
  }
                printf("\n");

 }
//Ending of loop
           getch();
 }                                                 

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