#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define SIZE 100

typedef struct tree {
   // Otázka aleo odpoveď
   char value[SIZE];
   // Odpoveď áno
   struct tree* left;
   // Odpoveď nie
   struct tree* right;
} tree;

void print_tree(struct tree* node){
    if( node == NULL){
        printf("empty");
        return;
    }
    printf("hodnota: %s\n",node->value);
    printf("left ");
    printf("%s\n",node->left->value);
    printf("right ");
    printf("%s\n",node->right->value);
    
}

struct tree* read_tree(tree* node){
    char buffer[SIZE];
    memset(buffer,0, SIZE);
    char* r = fgets(buffer, SIZE, stdin);
    if( r == NULL ){
		return node;
	} 
    memcpy(node->value, buffer, SIZE);
	r = fgets(buffer, SIZE, stdin);
	if( r == NULL ){
		node->left = NULL;
		return node;
	}
	node->left = calloc(1, sizeof(struct tree));
    memcpy(node->left->value, buffer, SIZE);
	r = fgets(buffer, SIZE, stdin);
	if( r == NULL ){
		node->right = NULL;
		return node;
	}		
	node->right = calloc(1, sizeof(struct tree));
    memcpy(node->right->value, buffer, SIZE);
	read_tree(node);
	print_tree(node);
	free(node);
	return node;	
}

void guess(tree* node){
	


}
/*void remove_tree(struct tree* node){
	if ( node != NULL ){
		
		if( node->left != NULL){
			remove_tree(node->left);
			free(node);
		}
		if( node->right != NULL){
			remove_tree(node->right);
			free(node);
		}
	}
}*/

int main(){
    tree* node = calloc(1, sizeof(struct tree));
    read_tree(node);
	//remove_tree(node);
return 0;
}