Can you solve this real interview question? Design HashMap - Design a HashMap without using any built-in hash table libraries. Implement the MyHashMap class: * MyHashMap() initializes the object with an empty map. * void put(int key, int value) inser
原题链接在这里:https://leetcode.com/problems/design-hashmap/ 题目: Design a HashMap without using any built-in hash table libraries. To be specific, your design should include these functions: put(key, value): Insert a (key, value) pair into the HashMap. If the value already exists in...
Github 同步地址: https://github.com/grandyang/leetcode/issues/706 类似题目: Design HashSet 参考资料: https://leetcode.com/problems/design-hashmap https://leetcode.com/problems/design-hashmap/discuss/152746/Java-Solution https://leetcode.com/problems/design-hashmap/discuss/184764/Easy-C%2B%2B...
https://leetcode.com/problems/design-hashmap/ 题目: Design a HashMap without using any built-in hash table libraries. To be specific, your design should include these functions: put(key, value): Insert a (key, value) pair into the HashMap. If the value already exists in the HashMap, ...
给定一个二叉树(具有根结点 root), 一个目标结点 target ,和一个整数值 K 。 返回到目标结点 target 距离为 K 的所有结点的值的列表。 答案可以以任何顺序返回。 来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/all-nodes-distance-k-in-binary-tree ...
Design a HashMap without using any built-in hash table libraries. Implement the MyHashMap class: MyHashMap() initializes the object with an empty map. void put(int key, int value) inserts a (key, value) pair into the HashMap. If the key already exists in the map, update the corresp...
题目链接:https://leetcode-cn.com/problems/first-unique-character-in-a-string/ 题解: 直接哈希 class Solution {public int firstUniqChar(String s) {Map<Character, Integer> frequency = new HashMap<Character, Integer>();for (int i = 0; i < s.length(); ++i) {char ch = s.charAt(i)...
LeetCode 1021. Remove Outermost Parentheses 2019-12-22 08:20 −原题链接在这里:https://leetcode.com/problems/remove-outermost-parentheses/ 题目: A valid parentheses string is either empty (""), "(" + A + ")", or&n... Dylan_Java_NYC ...
* 来源:力扣(LeetCode) * 链接:https://leetcode-cn.com/problems/lru-cache * * @author liuyuanyuan * @version 1.0.0 * @create 2020/8/19 */ public class LRUCache<K, V> extends LinkedHashMap<K, V> { public static void main(String[] args) { LRUCache<Integer, Integer> cache = new...
最长不含重复字符的子字符串一致 题目 请从字符串中找出一个最长的不包含重复字符的子字符串,计算该最长子字符串的长度。 示例 1: 示例 2: 示例 3: 提示: 来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-l......