posted Feb 1, 2011, 1:28 PM by Neil Mathew
[
updated Mar 14, 2011, 10:19 AM
]
SOURCE CODE:
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| #include<stdio.h>
void PUSH(int *a, int n, int *top, int ITEM)
{
if(*top==-1) //Pushing First Element
{
*top=0;
a[*top]=ITEM;
}
else if(*top==(n-1)) //Pushing into Filled array
{
printf(" OVERFLOW. DELETE SOME ELEMENTS. ");
}
else //Normal conditions
{
*top=*top+1;
a[*top]=ITEM;
}
}
void POP(int *a, int *top)
{
if(*top==-1) // Deleting from
{
printf(" UNDERFLOW. INSERT SOME ELEMENTS. ");
}
else
{
*top=*top-1;
printf("\n POPPED... \n");
}
}
void Display(int *a, int top)
{ printf("\n");
int i=0;
if (top!=-1)
for(i=top; i>=0; i--)
{
printf("\n %d ",a[i]);
}
else
printf(" NO ELEMENTS. \n");
printf("\n");
}
int main()
{
int a[5];
int n=5; //max size
int top=-1;
int ch=1,ITEM;
while(ch!=4)
{
printf("\n MENU: ");
printf("\n 1. PUSH. ");
printf("\n 2. POP. ");
printf("\n 3. DISPLAY. ");
printf("\n 4. EXIT. ");
printf("\n Your Choice: ");
scanf("%d",&ch);
switch(ch)
{
case 1: //INSERT
printf("\n ENTER ITEM: ");
scanf("%d",&ITEM);
PUSH(a,n,&top, ITEM);
break;
case 2: //DELETE
POP(a,&top);
break;
case 3: //DISPLAY
Display(a,top);
break;
case 4: printf("\n Exiting... ");
}
}
return 0;
}
|
OUTPUT:
MENU:
1. PUSH.
2. POP.
3. DISPLAY.
4. EXIT.
Your Choice: 1
ENTER ITEM: 56
MENU:
1. PUSH.
2. POP.
3. DISPLAY.
4. EXIT.
Your Choice: 1
ENTER ITEM: 89
MENU:
1. PUSH.
2. POP.
3. DISPLAY.
4. EXIT.
Your Choice: 3
89
56
MENU:
1. PUSH.
2. POP.
3. DISPLAY.
4. EXIT.
Your Choice: 2
POPPED...
MENU:
1. PUSH.
2. POP.
3. DISPLAY.
4. EXIT.
Your Choice: 3
56
MENU:
1. PUSH.
2. POP.
3. DISPLAY.
4. EXIT.
Your Choice: 4
Exiting...
|
|