Scribbling

https://leetcode.com/problems/lru-cache/description/  #include #include #include using namespace std;class Node {public: int key; int val; Node() {} Node(int key=-1, int val=-1) : key(key), val(val) {} ~Node() {}};class LRUCache {public: list ll; map::iterator> dict; int capacity; int cnt; LRUCache(int capacity) : capacity(capacity), cnt(0) {} int get(int key) { ..

#include using namespace std;class Printable { friend ostream& operator

https://leetcode.com/problems/implement-trie-prefix-tree/description/ Trie.h#pragma once#include class TrieNode{private: char ch; bool isWord; TrieNode* children[26] {nullptr};public: TrieNode(char ch, bool isWord=false); TrieNode(const TrieNode& node); TrieNode(TrieNode&& node); TrieNode& operator=(const TrieNode& rhs); TrieNode& operator=(TrieNode&& rhs); char getCh() const; bool getIsWord() ..