int main()
{
int sp1[10][3],sp2[10][3],sp3[10][3];
printf("\n [A] \n ___\n");
read(sp1);
transpose(sp1,sp2);
printf("\n Sparse Matrix, A:\n");
display(sp1);
printf("\n Sparse Matrix, Transpose(A):\n");
display(sp2);
printf("\n Transpose(A) : \n");
displaym(sp2); //display in standard matrix form
printf("\n");
return 0;
}
//Exam--------------------------------------------------
void exam()
{
struct marks m;
int n=0,o=0;
FILE *fm;
char ch;
clrscr();
//cleardevice();
do
{
printf("\n\n\t\t1.Enter");
//delay(1000);
printf("\n\n\t\t2.View");
//delay(1000);
printf("\n\n\t\t3.BACK");
printf("\n\n\nEnter your choice to proceed(1-3):");
fflush(stdin);
scanf("%c",&ch);
switch(ch)
{
case '1':
{ fm=fopen("Marks1.txt","w");
clrscr();
//cleardevice();
while(n!=8)
{
fseek(fm,0,SEEK_END);
printf("Enter Subject %d:",n+1);
fflush(stdin);
gets(m.sub3);
if(strlen(m.sub3)>7)
{
printf("Enter Lab Marks:");
fflush(stdin);
scanf("%f",&m.mr);
}
else
{
printf("Enter Marks:");
fflush(stdin);
scanf("%f",&m.mr);
}
fprintf(fm,"\n%s\t%f\n",m.sub3,m.mr);
n++;
}
}
fclose(fm);
break;
case '2':
{
fm=fopen("Marks1.txt","r");
clrscr();
// fseek(fm,0,SEEK_SET);
// cleardevice();
printf("\n\t\tMarks are as follows......\n");
delay(1000);
printf("\nSubjects\t\tMarks \t\t\tLab-Marks");
rewind(fm);
while(fscanf(fm,"\n%s\t%f\n",m.sub3,&m.mr)!=EOF)
{
temp3=(node3*)malloc(sizeof(node3));
temp3->mar=m;
temp3->next=NULL;
if(o==0)
{
start3=temp3;
trav3=temp3;
}
else
{
trav3->next=temp3;
trav3=trav3->next;
}
o++;
}
displaym();
}
fclose(fm);
break;
case '3':clrscr();
main1();
//exit(0);
//fclose(fm);
break;
}
getch();
clrscr();
}while(ch!=0);
}
