Answer Posted / d. prashant

/* Program of sparse matrix for 3-tuple method using array*/

#include
#define srow 50
#define mrow 20
#define mcolumn 20

main()
{
int mat[mrow][mcolumn],sparse[srow][3];
int i,j,nzero=0,mr,mc,sr,s;
printf("Enter number of rows : ");
scanf("%d",&mr);
printf("Enter number of columns : ");
scanf("%d",&mc);

for(i=0;i for(j=0;j {
printf("Enter element for row %d,column %d : ",i+1,j+1);
scanf("%d",&mat[i][j]);
}
printf("Entered matrix is : \n");
for(i=0;i {
for(j=0;j {
printf("%6d",mat[i][j]);
if(mat[i][j]!=0)
nzero++;
}
printf("\n");
}

sr=nzero+1;
sparse[0][0]=mr;
sparse[0][1]=mc;
sparse[0][2]=nzero;
s=1;

for(i=0;i for(j=0;j {
if(mat[i][j]!=0)
{
sparse[s][0]=i+1;
sparse[s][1]=j+1;
sparse[s][2]=mat [i][j];
s++;
}
}
printf("Sparse matrix is :\n");
for(i=0;i {
for(j=0;j<3;j++)
printf("%5d",sparse[i][j]);
printf("\n");
}
}/*End of main()*/

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