Find length of stack of linked list type by R4R Team


program-

#include< stdio.h>
#include< conio.h>
#include< alloc.h>
struct stack
{
int data;
struct stack *back;
};
struct stack *top;
void create()
{
char ch;
struct stack *ptr,*cpt;
printf("Enter Number\n");
cpt=(struct node*)malloc(sizeof(struct stack));
scanf("%d",&cpt->data);
cpt->back=NULL;
do
{
printf("Enter Number\n");
ptr=(struct stack*)malloc(sizeof(struct stack));
scanf("%d",&ptr->data);
ptr->back=cpt;
cpt=ptr;
printf("Continue(y/n)?\n");
ch=getch();
}while(ch=='y');
top=cpt;
}
void traverse()
{
struct stack *ptr=top;
printf("Stack is :\n");
while(ptr!=NULL)
{
printf("%d ",ptr->data);
ptr=ptr->back;
}
}
void length()
{
struct stack *ptr=top;
int len=0;
while(ptr!=NULL)
{
len++;
ptr=ptr->back;
}
printf("Length of Stack is %d",len);
}
void main()
{
clrscr();
create();
traverse();
length();
getch();
}


output-

Enter Number
3
Enter Number
4
Continue(y/n)?
Enter Number
7
Continue(y/n)?
Enter Number
1
Continue(y/n)?
Stack is :
1 7 4 3
Length of Stack is 4




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