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p.next.prev=self.dl.headdelself.key_dl_node[p.key]#Your LRUCache object will be instantiated and called as such:#obj = LRUCache(capacity)#param_1 = obj.get(key)#obj.put(key,value)作者:Hanxin_Hanxin 链接:https://leetcode-cn.com/problems/lru-cache/solution/cpython3java-1ordereddictlis...
Building Ultimate Data Structure and Algorithms in C++ Solution Repository. Solution to various DSA problems including problem from Leetcode, Codechef, GFG, Coding Ninjas. Topics algorithms leetcode cpp codechef competitive-programming cpp11 backtracking codeforces hacktoberfest data-structures-and-algori...
TinyURL是一种URL简化服务, 比如:当你输入一个URL https://leetcode.com/problems/design-tinyurl 时,它将返回一个简化的URL http://tinyurl.com/4e9iAk. 要求:设计一个 TinyURL 的加密 encode 和解密 decode 的方法。你的加密和解密算法如何设计和运作是没有限制的,你只需要保证一个URL可以被加密成一个TinyU...
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LEETCODE In C++ - Top 100 Coding Interview Problems 总共20 小时更新日期 2024年11月 评分:4.6,满分 5 分4.6724 当前价格US$10.99 原价US$19.99 27hrs Data Structures Algorithm DSA StackQueueLinkedList C++ 总共27 小时更新日期 2024年10月 评分:4.6,满分 5 分4.64,999 当前价格US$10.99 原价US$19.99 Co...
Without this, No Software Engineering Interview, in a tech giant can be cracked Follow the DSA Crack Sheet List given below Time Required: 2-3 months 6-8 questions/day 3-6 hrs/day Projects You need some projects to showcase your skills to your interviewer Choices: Mobile Development...
(3)双向链表中的尽量‘干净’、‘简洁’。本来就是很容易弄混、出bug的一个dsa。 class double_linked_list_node: def __init__(self, key = 0, val = 0): self.key = key self.val = val self.prev = None self.next = None class double_linked_list: ...
https://leetcode.cn/problems/number-of-matching-subsequences/ Given a string s and an array of strings words, return the number of words[i] that is a subsequence of s. A subsequence of a string is a new string generated from the original string with some characters (can be none) delete...
Explanation: There are three strings in words that are a subsequence of s: "a", "acd", "ace". Example 2: Input: s = "dsahjpjauf", words = ["ahjpjau","ja","ahbwzgqnuk","tnmlanowax"] Output: 2 Constraints: 1 <= s.length <= 5 * 104 ...