Mega Code Archive
Graphical Representation of Queue
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#include <graphics.h>
#include <conio.h>
#include <stdio.h>
#define MAX 20
struct Queue
{
int st[MAX];
};
void Insert(struct Queue *My,int val);
void Delete(struct Queue *My);
void DISPLAY(struct Queue My);
void main()
{
char ch;
int num,tot,i;
struct Queue MyQ;
MyQ.st[0]=2;
MyQ.st[1]=2;
Menu:
clrscr();
printf("
***********************
");
printf(" MENU QU
");
printf(" ************************
");
printf("
1. Insert");
printf("
2. Delete");
printf("
3. Display");
printf("
4. Exit");
printf("
Choose Your Destiny:- ");
ch=getche();
switch(ch)
{
case '1':
printf("
How Many Element To Insert:- ");
scanf("%d",&tot);
for(i=0;i<tot;i++)
{
printf(" Enter the number to Insert:- ");
scanf("%d",&num);
Insert(&MyQ,num);
}
printf("
Inserted . . .");
getch();
goto Menu;
case '2':
printf("
How Many Element To Delete:- ");
scanf("%d",&tot);
for(i=0;i<tot;i++)
{
Delete(&MyQ);
}
getch();
goto Menu;
case '3':
DISPLAY(MyQ);
goto Menu;
case '4':
printf("
Exiting . . .");
getch();
break;
}
closegraph();
}
/*******************************************
Function: PUSH
Discription: Insert an Element in Stack
*******************************************/
void Insert(struct Queue *My,int val)
{
if(My->st[1]>=MAX+1)
{
printf("
Already Full:-");
getch();
return;
}
My->st[My->st[1]]=val;
My->st[1]=My->st[1]+1;
}
/*******************************************
Function: POP
Discription: POP an Element in Stack
*******************************************/
void Delete(struct Queue *My)
{
if(My->st[0]==My->st[1])
{
printf("
U SUCK:- Nothing To Delete:-");
getch();
return;
}
My->st[0]=My->st[0]+1;
printf("
One Element Deleted . . .");
}
void DISPLAY(struct Queue My)
{
int g=DETECT,d,i;
int j=400;
char str[10];
if(My.st[0]>=My.st[1])
{
printf("
Hey Wicked, Atleast PUSH One Item");
getch();
return;
}
initgraph(&g,&d,"c:\tc\bgi");
setbkcolor(BLUE);
outtextxy(10,10," Press Any Key...");
getch();
setfillstyle(11,12);
for(i=2;i<20;i++)
{
setcolor(RED);
bar(200,j,400,j-20);
rectangle(200,j,400,j-20);
j=j-20;
}
j=400;
for(i=2;i<My.st[0];i++)
{
setcolor(RED);
rectangle(200,j,400,j-20);
j=j-20;
}
setfillstyle(1,CYAN);
for (i=My.st[0];i<My.st[1];i++)
{
setcolor(GREEN);
delay(200);
bar(200,j,400,j-20);
rectangle(200,j,400,j-20);
sprintf(str,"%d",My.st[i]);
setcolor(RED);
outtextxy(280,j-10,str);
j=j-20;
}
j=390;
for(i=2;i<My.st[0];i++)
j=j-20;
outtextxy(410,j," <- Rear Pointer");
j=390;
for(i=2;i<My.st[1];i++)
j=j-20;
outtextxy(410,j," <- Front Pointer");
getch();
restorecrtmode();
}
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