Update cv7/program.c
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cv7/program.c
137
cv7/program.c
@ -1,103 +1,80 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#define SIZE 100
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#define YES 'a'
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#define NO 'n'
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// Структура узла для бинарного дерева
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typedef struct Node {
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char question[100];
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struct Node *yes;
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struct Node *no;
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} Node;
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// Tree node structure
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struct TreeNode {
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char value[SIZE];
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struct TreeNode* yes;
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struct TreeNode* no;
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};
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// Прототипы функций
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Node* createNode(char *text);
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void freeTree(Node *root);
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void askQuestions(Node *root);
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// Function to create a new tree node
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struct TreeNode* create_node(const char* text) {
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struct TreeNode* node = (struct TreeNode*)malloc(sizeof(struct TreeNode));
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strcpy(node->value, text);
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node->yes = node->no = NULL;
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// Функция для создания нового узла дерева
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Node* createNode(char *text) {
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Node *node = (Node*)malloc(sizeof(Node));
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strcpy(node->question, text);
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node->yes = NULL;
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node->no = NULL;
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return node;
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}
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// Recursive function to build the tree
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struct TreeNode* read_tree() {
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char buffer[SIZE];
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if (!fgets(buffer, SIZE, stdin) || buffer[0] == '\n') return NULL;
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// Remove newline character
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buffer[strcspn(buffer, "\n")] = 0;
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struct TreeNode* node = create_node(buffer);
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// Check if it's a leaf node
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if (buffer[0] != '*') {
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node->yes = read_tree(); // Read 'yes' branch
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node->no = read_tree(); // Read 'no' branch
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// Функция для освобождения памяти дерева
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void freeTree(Node *root) {
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if (root != NULL) {
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freeTree(root->yes);
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freeTree(root->no);
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free(root);
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}
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return node;
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}
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// Count the leaf nodes (answers) in the tree
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int count_leaf_nodes(struct TreeNode* node) {
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if (node == NULL) return 0;
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if (node->yes == NULL && node->no == NULL) return 1; // It's a leaf node
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return count_leaf_nodes(node->yes) + count_leaf_nodes(node->no);
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}
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// Free memory allocated for the tree
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void destroy_tree(struct TreeNode* node) {
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if (node == NULL) return;
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destroy_tree(node->yes);
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destroy_tree(node->no);
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free(node);
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}
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// Dialogue with user based on tree structure
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void run_dialogue(struct TreeNode* node) {
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if (!node) return;
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printf("%s\n", node->value);
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if (node->yes == NULL && node->no == NULL) {
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printf("Expert z bufetu to vie.\n");
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return;
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}
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// Функция для задания вопросов и получения ответов
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void askQuestions(Node *root) {
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Node *current = root;
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char answer;
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printf("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.\n");
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if (scanf(" %c", &answer) != 1 || (answer != YES && answer != NO)) {
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printf("Odpovedajte 'a' alebo 'n'.\n");
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return;
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while (current->yes != NULL && current->no != NULL) {
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printf("%s\n", current->question);
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printf("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.\n");
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answer = getchar();
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getchar(); // Для захвата символа новой строки после ввода
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if (answer == 'a') {
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current = current->yes;
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} else if (answer == 'n') {
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current = current->no;
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} else {
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printf("Nespravna odpoved. Skuste znova.\n");
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}
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}
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if (answer == YES) run_dialogue(node->yes);
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else if (answer == NO) run_dialogue(node->no);
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printf("*%s\n", current->question); // Вывод названия конечного объекта с *
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}
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int main() {
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// Read and build tree from input
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struct TreeNode* root = read_tree();
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// Сообщение о старте
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printf("Expert z bufetu to vie.\n");
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// Check if rule base ended with an empty line
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char check[SIZE];
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if (!fgets(check, SIZE, stdin) || check[0] != '\n') {
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printf("Neplatna baza pravidiel.\n");
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destroy_tree(root);
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return 1;
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}
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// Создание дерева для вопросов
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Node *root = createNode("Je to ovocie alebo zelenina");
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root->yes = createNode("Jablko");
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root->no = createNode("Mrkva");
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// Count leaf nodes
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int count = count_leaf_nodes(root);
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printf("Pozna %d druhov ovocia a zeleniny.\n", count);
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// Вывод количества видов
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printf("Pozna 2 druhov ovocia a zeleniny.\n");
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// Run the dialogue system
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run_dialogue(root);
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// Процесс вопросов и ответов
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askQuestions(root);
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// Сообщение о завершении
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printf("Koniec\n");
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// Освобождение памяти
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freeTree(root);
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// Free allocated memory
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destroy_tree(root);
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return 0;
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}
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