09 2022 档案
leetcode394-字符串解码
摘要:字符串解码 递归 class Solution { public String decodeString(String s) { StringBuilder sb = new StringBuilder(); int i = 0, n = s.length(); while(i < n){ if(s
leetcode706-设计哈希映射
摘要:设计哈希映射 哈希+链表 class MyHashMap { class Pair{ int key; int value; public Pair(int key, int value){ this.key = key; this.value = value; } } LinkedList arr