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@ -29,12 +29,7 @@ struct Node* read_tree(void) {
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if (buffer[0] != '*') {
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node->left = read_tree();
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if (node->left == NULL) {
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destroy_tree(node);
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return NULL;
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}
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node->right = read_tree();
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if (node->right == NULL) {
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if (node->left == NULL || node->right == NULL) {
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destroy_tree(node);
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return NULL;
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}
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@ -60,12 +55,12 @@ void run_system(struct Node* node) {
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if (fgets(answer, SIZE, stdin) == NULL) return;
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answer[strcspn(answer, "\r\n")] = '\0';
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if (strcmp(answer, "y") == 0) {
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if (strcmp(answer, "a") == 0) {
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run_system(node->left);
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} else if (strcmp(answer, "n") == 0) {
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run_system(node->right);
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} else {
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printf("I don't understand\n");
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return;
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}
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}
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@ -82,9 +77,9 @@ int main(void) {
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return 1;
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}
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int leaves = count_leaves(root);
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printf("The Expert System is ready.\n");
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printf("It knows %d types of fruits and vegetables.\n", leaves);
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printf("Answer 'y' (yes) or 'n' (no)\n");
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printf("Expert z bufetu to vie.\n");
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printf("Pozna %d druhov ovocia a zeleniny.\n", leaves);
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printf("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.\n");
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run_system(root);
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destroy_tree(root);
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