Stack using array in C
#include<stdio.h>
#include<stdlib.h>
#define
Size 4
int
Top=-1, inp_array[Size];
void
Push();
void
Pop();
void
show();
int
main()
{
int choice;
while(1)
{
printf("\nOperations performed by Stack");
printf("\n1.Push the element\n2.Pop the element\n3.Show\n4.End");
printf("\n\nEnter the choice:");
scanf("%d",&choice);
switch(choice)
{
case 1: Push();
break;
case 2: Pop();
break;
case 3: show();
break;
case 4: exit(0);
default: printf("\nInvalid choice!!");
}
}
}
void
Push()
{
int x;
if(Top==Size-1)
{
printf("\nOverflow!!");
}
else
{
printf("\nEnter element to be inserted to the stack:");
scanf("%d",&x);
Top=Top+1;
inp_array[Top]=x;
}
}
void Pop()
{
if(Top==-1)
{
printf("\nUnderflow!!");
}
else
{
printf("\nPopped element: %d",inp_array[Top]);
Top=Top-1;
}
}
void
show()
{
if(Top==-1)
{
printf("\nUnderflow!!");
}
else
{
printf("\nElements present in the stack: \n");
for(int i=Top;i>=0;--i)
printf("%d\n",inp_array[i]);
}
}
