leetcode 518,LeetCode : Intersection of Two Linked Lists
Write a program to find the node at which the intersection of two singly linked lists begins. For example, the following two linked lists: A: a1 → a2 ↘ c1 → c2 → c3 ↗ B: b1 → b2 → b3 begin to intersect at node c1. /*** Definition for singly-linked
时间:2023-12-06  |  阅读:23
leetcode all in one,LeetCode Remove K Digits
原題鏈接在這里:https://leetcode.com/problems/remove-k-digits/description/ 題目: Given a non-negative integer?num?represented as a string, remove?k?digits from the number so that the new number is the smallest possible. Note: The length of?nu
时间:2023-12-06  |  阅读:27
立管檢查口安裝高度,LeetCode【1051. 高度檢查器】
這道題一開始想錯了,就是對于交換的含義,以為是要一個一個的換,其實可以直接交換,這樣就很簡單,就使用Arrays.sort(), 可以將其完全復制到另一個int數組中,然后,對比兩者的不同個數,即是。 立管檢查口安裝高度?轉載
时间:2023-12-06  |  阅读:20
leetcode最大數,【leetcode】只出現一次的數字(位運算)
LeetCode136:只出現一次的數字 給定一個非空整數數組,除了某個元素只出現一次以外,其余每個元素均出現兩次。找出那個只出現了一次的元素。 解題思路: 這里可以使用異或運算。即兩個相同的數字異或為0,而0與任何數字異或都是其本身。把數組
时间:2023-11-30  |  阅读:23
LEETCODE,Reverse Linked List II -- LeetCode
原標題鏈接:?http://oj.leetcode.com/problems/reverse-linked-list-ii/?這道題是比較常見的鏈表反轉操作,只是不是反轉整個鏈表。而是從m到n的一部分。分為兩個步驟,第一步是找到m結點所在位置,第二步就是進行反轉直到n結點。反轉的方法就是每讀到一個
时间:2023-11-22  |  阅读:21
leetcode121,LeetCode(160): Intersection of Two Linked Lists
Intersection of Two Linked Lists: Write a program to find the node at which the intersection of two singly linked lists begins. For example, the following two linked lists: A: a1 → a2↘c1 → c2 → c3↗ B: b1 → b2 → b3 leetcode121,begin to intersect at
时间:2023-11-22  |  阅读:28
LeetCode,Leetcode - Reverse Words
比起POJ弱爆了一題,從后往前掃描一遍,O(n)時間,僅僅要注意各種極端情況就可以,不明確通過率為什么僅僅有13%。 #include<iostream> #include<string> using namespace std;class Solution { public:void reverseWords(string &s
时间:2023-11-19  |  阅读:24
leetcode 5,Minimum Window Substring @LeetCode
不好做的一道題,發現String Algorithm可以出很多很難的題,特別是多指針,DP,數學推導的題。參考了許多資料: http://leetcode.com/2010/11/finding-minimum-window-in-s-which.html http://www.geeksforgeeks.org/find-the-smallest-window
时间:2023-11-19  |  阅读:22
LeetCode,[LeetCode][JavaScript]Palindrome Linked List
Palindrome Linked List Given a singly linked list, determine if it is a palindrome. Follow up:Could you do it in O(n) time and O(1) space? https://leetcode.com/problems/palindrome-linked-list/ ? LeetCode。? ? ? 判斷單鏈表是否為回文,要求時間復雜度O
时间:2023-11-19  |  阅读:27
leetcode中文,Leetcode Trie Conclusion
? ? Implement Trie (Prefix Tree)208. Implement Trie (Prefix Tree)Add and Search Word - Data structure design211. Add and Search Word - Data structure designWord Search II?212. Word Search IIPalindrome Pairs? leetcode中文。轉載于:https://www.cnblogs.com/r
时间:2023-11-19  |  阅读:27

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