103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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// Štruktúra pre uzol v binárnom strome
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typedef struct Node {
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char text[100];
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int is_answer; // 1 pre odpoveď, 0 pre otázku
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struct Node *yes_branch;
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struct Node *no_branch;
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} Node;
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// Vytvára nový uzol s textom a typom (odpoveď alebo otázka)
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Node *create_node(const char *text, int is_answer) {
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Node *node = malloc(sizeof(Node));
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if (!node) {
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printf("Chyba: Nepodarilo sa alokovať pamäť.\n");
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exit(1);
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}
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strcpy(node->text, text);
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node->is_answer = is_answer;
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node->yes_branch = NULL;
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node->no_branch = NULL;
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return node;
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}
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// Funkcia na načítanie bázy pravidiel do binárneho stromu
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Node *load_rules(FILE *file, int *num_answers) {
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char line[100];
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if (!fgets(line, sizeof(line), file) || line[0] == '\n') {
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return NULL; // Prázdny riadok, koniec pravidiel
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}
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int is_answer = line[0] == '*';
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char *text = is_answer ? line + 1 : line;
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text[strcspn(text, "\n")] = 0; // Odstráni znak nového riadka
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Node *node = create_node(text, is_answer);
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if (is_answer) {
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(*num_answers)++;
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return node;
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}
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node->yes_branch = load_rules(file, num_answers);
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node->no_branch = load_rules(file, num_answers);
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return node;
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}
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// Funkcia na kladenie otázok používateľovi
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void ask_questions(Node *node) {
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while (node) {
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printf("%s\n", node->text);
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if (node->is_answer) {
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printf("Koniec.\n");
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return;
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}
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char answer;
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printf("Odpovedajte 'a' pre prvú možnosť alebo 'n' pre druhú možnosť: ");
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scanf(" %c", &answer);
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if (answer == 'a') {
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node = node->yes_branch;
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} else if (answer == 'n') {
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node = node->no_branch;
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} else {
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printf("Neplatná odpoveď, koniec.\n");
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return;
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}
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}
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}
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// Uvoľní pamäť pre všetky uzly v binárnom strome
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void free_tree(Node *node) {
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if (node) {
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free_tree(node->yes_branch);
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free_tree(node->no_branch);
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free(node);
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}
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}
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int main() {
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FILE *file = fopen("rules.txt", "r");
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if (!file) {
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printf("Chyba: Nepodarilo sa otvoriť súbor s pravidlami.\n");
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return 1;
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}
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int num_answers = 0;
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Node *root = load_rules(file, &num_answers);
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fclose(file);
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if (!root) {
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printf("Chyba: Nepodarilo sa načítať bázu pravidiel.\n");
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return 1;
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}
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printf("Pozná %d druhov ovocia a zeleniny.\n", num_answers);
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ask_questions(root);
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free_tree(root);
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return 0;
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} |