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

#define SIZE 100

struct tree {
    //otazka ab. odpoved
    char value[SIZE];
   // Odpove� �no
    struct tree* left;
   // Odpove� nie
    struct tree* right;
}tree;

void print_tree(struct tree* tree,int offset){
    for (int i = 0; i < offset; i++){
        printf(" ");
    }
    printf("%s",tree->value);
    if (tree->left){
        print_tree(tree->left,offset +3);
        print_tree(tree->right,offset +3);
    }
}

void destroy_tree(struct tree* tree){
    free(tree);
}
struct tree* read_tree(){
    char buffer[SIZE];
    memset(buffer,0,SIZE);
    char* r = fgets(buffer,SIZE,stdin);
    assert(r);
    struct tree* node = calloc(1,sizeof(struct tree));
    memcpy(node->value,buffer,SIZE);
    // Ak je nacitany riadok listovy uzol ,tak netreba robit nic
    // inak rekurzivne nacitanie laveho syna
    // a rekurzivne nacitanie praveho syna
    return node;
}
int main(){
/*int counter = 0;
int si = 0;
struct tree* stack[SIZE];
struct tree* this = tree;
while (si >= 0){
    assert(si < SIZE);
    if (this->left){
        stack[si++] = this;
        this = this->left;
        continue;
    }
    counter += 1;
    if (this->right){
        stack[si++] = this;
        this = this->right;
        continue;
    }
    si = si -1;*/
return 0;
}