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71 changes: 71 additions & 0 deletions Circular_queue(Array).c
Original file line number Diff line number Diff line change
@@ -0,0 +1,71 @@

#include<stdio.h>
#include<stdlib.h>
#define m 5
typedef struct
{
int data[m];
int r,f;
}queue;
int insert(queue *q,int n)
{
if((q->r==m-1 && q->f==0) || q->f==q->r+1)
{
printf("Insertion Not Possible.\n");
return 1;
}
if(q->r==-1)
{
q->f=q->r=0;
q->data[q->r]=n;
}
else
{
q->r=(q->r+1)%m;
q->data[q->r]=n;
}
return 0;
}
int delete(queue *q, int *n)
{
if(q->f==-1)
{
printf("Deletion Note Possible.\n");
return 1;
}
if(q->r==q->f)
{
*n=q->data[q->f];
q->f=q->r=-1;
}
else
{
*n=q->data[q->f];
q->f=(q->f+1)%m;
}
return 0;
}
int main()
{
queue q;
q.f=q.r=-1;
int n,x,y;
for(int i=0; i<m-2;i++)
{
scanf("%d",&n);
x=insert(&q,n);
}
y=delete(&q,&n);
y=delete(&q,&n);
for(int i=0; i<m-1; i++)
{
scanf("%d",&n);
x=insert(&q,n);
}
for(int i=0; i<m; i++)
{
y=delete(&q,&n);
printf("%d ",n);
}
printf("\n");
}
103 changes: 103 additions & 0 deletions Sorting_a_stack.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,103 @@
#include <stdio.h>
#include <stdlib.h>

struct Stack
{
int data;
struct Stack *next;
}*input=NULL , *tmpStack=NULL;


void push(struct Stack **st,int x)
{
struct Stack *t;
t = (struct Stack *)malloc(sizeof(struct Stack));

if (st == NULL)
{
printf("Stack is full \n");
}
else
{
t->data =x;
t->next = *st;
*st = t;
}
}
int pop(struct Stack **st)
{
struct Stack *t;
t=(struct Stack *)malloc(sizeof(struct Stack));;
int x;
if (st == NULL)
{
printf("stack is empty");
}
else
{
t = *st;
*st=(*st)->next;
x = t->data;
free(t);
}
return x;
}
void display(struct Stack *st)
{
struct Stack *p;
p = st;
while (p)
{
printf("%d ", p->data);
p = p->next;
}
printf("\n");
}

void sort(){
while(input){
int temp=pop(&input);
while(tmpStack && tmpStack->data < temp ){
push(&input,pop(&tmpStack));
}
push(&tmpStack,temp);
}
}

void recursuion()
{
while(input){
int temp=pop(&input);
push(&tmpStack,temp);
}

}

void clone()
{
while(tmpStack)
{
int temp=pop(&tmpStack);
push(&input,temp);
}
}



int main(){
int n;
printf("Enter the value of n ");
scanf("%d",&n);
for (int i = 0; i < n; i++)
{
printf("Enter element for stack ");
int a;
scanf("%d",&a);
push(&input,a);
}
display(input);
sort();
display(tmpStack);

return 0;
}