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This commit is contained in:
Oleksandr Vyshniakov 2025-11-20 16:55:20 +01:00
parent 8ade5298f1
commit b93407d906
1 changed files with 24 additions and 26 deletions
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50
du6/program.c
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@ -10,7 +10,7 @@ typedef struct TreeNode {
struct TreeNode *no_branch;
} TreeNode;
static TreeNode* read_tree_node() {
static TreeNode* read_tree_node(int *used_lines) {
char buffer[MAXLINE];
memset(buffer, 0, sizeof(buffer));
@ -19,6 +19,8 @@ static TreeNode* read_tree_node() {
return NULL;
}
(*used_lines)++;
if (buffer[0] == '\n' || buffer[0] == '\r') {
return NULL;
}
@ -36,8 +38,8 @@ static TreeNode* read_tree_node() {
return node;
}
node->yes_branch = read_tree_node();
node->no_branch = read_tree_node();
node->yes_branch = read_tree_node(used_lines);
node->no_branch = read_tree_node(used_lines);
return node;
}
@ -58,10 +60,7 @@ static int count_leafs(TreeNode *root) {
int left = count_leafs(root->yes_branch);
int right = count_leafs(root->no_branch);
int is_leaf = 0;
if (root->yes_branch == NULL && root->no_branch == NULL) {
is_leaf = 1;
}
int is_leaf = (root->yes_branch == NULL && root->no_branch == NULL) ? 1 : 0;
return left + right + is_leaf;
}
@ -100,23 +99,6 @@ static void skip_empty_line() {
}
}
static int has_more_data() {
char buffer[MAXLINE];
long pos = ftell(stdin);
if (fgets(buffer, sizeof(buffer), stdin) == NULL) {
return 0;
}
int newline = (buffer[0] == '\n' || buffer[0] == '\r');
if (!newline) {
return 1;
}
return 0;
}
static void run_dialog(TreeNode *root) {
if (root == NULL) {
return;
@ -151,18 +133,34 @@ static void run_dialog(TreeNode *root) {
}
int main() {
TreeNode *root = read_tree_node();
int used_lines = 0;
TreeNode *root = read_tree_node(&used_lines);
skip_empty_line();
printf("Expert z bufetu to vie.\n");
if (root == NULL || !validate_tree(root) || has_more_data()) {
if (root == NULL || !validate_tree(root)) {
printf("Chybna databaza\n");
free_tree(root);
return 0;
}
int total_lines = used_lines;
long pos = ftell(stdin);
char extra[MAXLINE];
if (fgets(extra, sizeof(extra), stdin) != NULL) {
int newline = (extra[0] == '\n' || extra[0] == '\r');
if (!newline) {
printf("Chybna databaza\n");
free_tree(root);
return 0;
}
} else {
fseek(stdin, pos, SEEK_SET);
}
int total = count_leafs(root);
printf("Pozna %d druhov ovocia a zeleniny.\n", total);