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Бинарное дерево на С++
23.03.2022, 13:58. Показов 445. Ответов 0
Задание было создать дерево. Структура была изначально дана. А методы сам писал. Не правильно работает. Помогите исправить ошибки.
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| #pragma once
#include <iostream>
#include <sstream>
#include <vector>
using namespace std;
template<typename keyType, typename valueType>
class mymap {
private:
struct NODE {
keyType key;
valueType value;
NODE* left;
NODE* right;
int nL;
int nR;
bool isThreaded;
};
NODE* root;
int size;
struct iterator {
private:
NODE* curr;
public:
iterator(NODE* node) {
curr = node;
}
keyType operator *() {
return curr->key;
}
bool operator ==(const iterator& rhs) {
return curr == rhs.curr;
}
bool operator !=(const iterator& rhs) {
return curr != rhs.curr;
}
bool isDefault() {
return !curr;
}
iterator operator++() {
curr = curr->right;
return curr;
}
};
void clear(NODE*& root) {
if (root == nullptr) {
return;
}
clear(root->right);
clear(root->left);
delete root;
}
public:
mymap() {
root = nullptr;
size = 0;
}
mymap(const mymap& other) {
root = other;
}
mymap& operator=(const mymap& other) {
root = other;
return root;
}
void clear() {
clear(root);
size = 0;
}
~mymap() {
clear();
}
void put(keyType key, valueType value) {
if (root == NULL)
{
root = new NODE;
root->key = key;
root->value = value;
root->left = root->right = NULL;
}
if (key < root->key)
{
if (root->left != NULL) {
root = root->left;
root->key = key;
root->value = value;
put(key, value);
}
else
{
root->left = new NODE;
root->left->left = root->left->right = NULL;
root->left->key = key;
root->left->value = value;
}
}
if (key > root->key)
{
if (root->right != NULL) {
root = root->right;
root->key = key;
root->value = value;
put(key, value);
}
else
{
root->right = new NODE;
root->right->left = root->right->right = NULL;
root->right->key = key;
root->right->value = value;
}
}
size++;
}
bool contains(keyType key) {
while (root != NULL)
{
if (root->key == key)
return true;
else
if (key < root->key)
root = root->left;
else
root = root->right;
}
return false;
}
valueType get(keyType key) {
while (root != NULL)
{
if (root->key == key)
return root->value;
else
if (key < root->key)
root = root->left;
else
root = root->right;
}
return {};
}
valueType operator[](keyType key) {
while (root != NULL)
if (root->key == key)
return root->value;
else
root = root->left;
}
int Size() {
return size;
}
iterator begin() {
while (root != NULL)
root = root->left;
return root;
}
iterator end() {
while (root != NULL)
root = root->right;
return root;
}
string toString() {
string ans = "";
while (root != NULL) {
ans += "key: " + root->key + " value: " + root->value + "\n";
root = root->left;
}
return ans;
}
vector<pair<keyType, valueType> > toVector() {
vector<pair<keyType, valueType>> ans;
while (root != NULL) {
ans.push_back({ root->key, root->value });
root = root->right;
}
return ans;
}
string checkBalance() {
string ans = "";
while (root != NULL) {
ans += "key: " + root->key + ", nL: " + root->nL + ", nR: " + root->nR + "\n";
root = root->right;
}
return ans;
}
}; |
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