Monday, May 13, 2024

C program to generate sparse matrix from given two dimensional array.

#include<stdio.h>
#include<conio.h>
void main()
{
 int A[10][10],B[10][3],m,n,s=0,i,j;
 clrscr();
 printf("\nEnter the order m x n of the sparse matrix\n");
 scanf("%d%d",&m,&n);
 printf("\nEnter the elements in the sparse matrix(mostly zeroes)\n");
 for(i=0;i<m;i++)
 {
  for(j=0;j<n;j++)
  {
   printf("\n%d row and %d column:   ",i,j);
   scanf("%d",&A[i][j]);
  }
 }
 printf("The given matrix is:\n");
 for(i=0;i<m;i++)
 {
  for(j=0;j<n;j++)
  {
   printf("%d ",A[i][j]);
  }
  printf("\n");
 }
 for(i=0;i<m;i++)
 {
  for(j=0;j<n;j++)
  {
   if(A[i][j]!=0)
   {
    B[s][0]=A[i][j];
    B[s][1]=i;
    B[s][2]=j;
    s++;
   }
  }
 }
 printf("\nThe sparse matrix is given by");
 printf("\n");
 for(i=0;i<s;i++)
 {
  for(j=0;j<3;j++)
  {
   printf("%d ",B[i][j]);
  }
  printf("\n");
 }
 getch();
}

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