SIMULATE THE FOLLOWING FILE ORGANIZATION TECHNIQUES : A. SINGLE LEVEL DIRECTORY B) TWO LEVEL

SIMULATE THE FOLLOWING FILE ORGANIZATION TECHNIQUES :
A. SINGLE LEVEL DIRECTORY
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<graphics.h>
void main()
{
int gd=DETECT,gm,count,i,j,mid,cir_x;
char fname[10][20];
clrscr();
initgraph(&gd,&gm,"c:/tc/bgi");
cleardevice();
setbkcolor(GREEN);
printf("enter number of files");
scanf("&d",&count);
if(i<count)
// for(i=0;i<count;i++)
{
cleardevice();
setbkcolor(GREEN);
printf("enter %d file name:",i+1);
scanf("%s",fname[i]);
setfillstyle(1,MAGENTA);
mid=640/count;
cir_x=mid/3;
bar3d(270,100,370,150,0,0);
settextstyle(2,0,4);
settextjustify(1,1);
outtextxy(320,125,"root directory");
setcolor(BLUE);
i++;
for(j=0;j<=i;j++,cir_x+=mid)
{
line(320,150,cir_x,250);
fillellipse(cir_x,250,30,30);
outtextxy(cir_x,250,fname[i]);
}
}
getch();

}
output:-

B.TWO LEVEL DIRECTORY:-
#include<stdio.h>
#include<graphics.h>
struct tree_element
{
char name[20];
int x,y,ftype,lx,rx,nc,level;
struct tree_element *link[5];
};
typedef struct tree_element node;
void main()
{
int gd=DETECT,gm;
node *root;
root=NULL;
clrscr();
create(&root,0,"null",0,639,320);
clrscr();
initgraph(&gd,&gm,"c:\tc\bgi");
display(root);
getch();
closegraph();
}
create(node **root,int lev ,char *dname,int lx,int rx,int x)
{
int i, gap;
if(*root==NULL)
{
(*root)=(node*)malloc(sizeof(node));
printf("enter the name of ir file name %s",dname);
fflush(stdin);
gets((*root)->name);
if(lev==0 || lev==1)
(*root)-> ftype=1;
else
(*root)->ftype=2;
(*root)->level=lev;
(*root)->y=50+lev*50;
(*root)->x=x;
(*root)->lx=lx ;
(*root)->rx=rx;
for(i=0;i<5;i++)
(*root)->link[i]=NULL;
if((*root)->ftype==1)
{
if(lev==0 || lev==1)
{
if((*root)->level==0)
printf("how many users");
else
printf(" how many files");
printf("(for %s):",(*root)->name);
scanf("%d",&(*root)->nc);
}
else
(*root)->nc=0;
if((*root)->nc==0)
gap=rx-lx;
else
gap=(rx-lx)/(*root)->nc;
for(i=0;i<(*root)->nc;i++)
create(&((*root)->link[i]),lev+1,(*root)->name,lx+gap*i,lx+gap*i+gap,lx+gap*i+gap/2);
}
else
(*root)->nc=0;
}
}
display(node *root)
{
int i;
settextstyle(2,0,4);
settextjustify(1,1);
setfillstyle(1,BLUE);
setcolor(14);
if(root!=NULL)
{
for(i=0;i<root->nc;i++)
{
line(root->x,root->y,root->link[i]->x,root->link[i]->y);
}
if(root->ftype==1)
bar3d(root->x-20, root->y-10,root->x+20,root->y+10,0,0);
else
fillellipse(root->x,root->y,20,20);
outtextxy(root->x,root->y,root->name);
for(i=0;i<root->nc;i++)
{
display(root->link[i]);
}
}

}
output:-