#include <stdio.h>
#include <string.h>
#include <stdlib.h>

void czytajzpliku()
{

    char c,o,w;//KROWA XD
    FILE * file;
    file = fopen( "lista1.txt", "r");
    if (file)
    {
        while ((c = getc(file)) != EOF)
        {
            if(c=='o')
            {
                while((w=getc(file)) != '\n')
                {
                        putchar(w);
                }
            }
            {


                putchar(c);
            }
        }
        fclose(file);
    }
}

struct okrag
{
    int x,y,r;
    struct okrag *next;
};

struct okrag *head = NULL;
struct okrag *current = NULL;

//display the list
void printList()
{
    struct okrag *ptr = head;
    printf("\n[ ");

    //start from the beginning
    while(ptr != NULL)
    {
        printf("(%d,%d,%d) ",ptr->x,ptr->y,ptr->r);
        ptr = ptr->next;
    }

    printf(" ]");
}

//insert link at the first location
void insertOkragFirst(int x, int y,int r)
{
    //create a link
    struct okrag *link = (struct okrag*) malloc(sizeof(struct okrag));

    link->x = x;
    link->y = y;
    link->r = r;
    //point it to old first node
    link->next = head;

    //point first to new first node
    head = link;
}

//delete first item
struct okrag* deleteFirst()
{

    //save reference to first link
    struct okrag *tempLink = head;

    //mark next to first link as first
    head = head->next;

    //return the deleted link
    return tempLink;
}

int length()
{
    int length = 0;
    struct okrag *current;

    for(current = head; current != NULL; current = current->next)
    {
        length++;
    }

    return length;
}

void main()
{
    czytajzpliku();
    insertOkragFirst(10,10,6);
    insertOkragFirst(2,20,5);
    insertOkragFirst(3,30,6);
    insertOkragFirst(4,1,7);
    insertOkragFirst(5,40,2);
    insertOkragFirst(6,56,3);

    printf("Original List: ");

    //print list
    printList();

    while(head!=NULL)
    {
        struct okrag *temp = deleteFirst();
        printf("\nDeleted value:");
        printf("(%d,%d,%d) ",temp->x,temp->y,temp->r);
    }

    printf("\nList after deleting all items: ");
    printList();
    insertOkragFirst(1,10,9);
    insertOkragFirst(2,20,5);
    insertOkragFirst(3,30,2);
    insertOkragFirst(4,1,1);
    insertOkragFirst(5,40,4);
    insertOkragFirst(6,56,8);

    printf("\nRestored List: ");
    printList();
    printf("\n");
}