原创 【LeetCode算法練習（C++）】Implement strStr()
題目： Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not
2020-06-17 05:45:48
原创 【LeetCode算法練習（C++）】Valid Parentheses
題目： Given a string containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[’ and ‘]’, determine if the input string i
2020-06-17 05:45:48
原创 【LeetCode算法練習（C++）】Reverse Nodes in k-Group
題目： Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. k is a pos
2020-06-17 04:59:21
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原创 【LeetCode算法練習（C++）】Remove Duplicates from Sorted Array
題目： Given a sorted array, remove the duplicates in place such that each element appear only once and return the n
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Remove Nth Node From End of List
題目： Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Next Permutation
題目： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of nu
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Letter Combinations of a Phone Number
題目： Given a digit string, return all possible letter combinations that the number could represent. A mapping of
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Divide Two Integers
題目： Divide two integers without using multiplication, division and mod operator. If it is overflow, return MAX_I
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Swap Nodes in Pairs
題目： Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Remove Element
題目： Given an array and a value, remove all instances of that value in place and return the new length. Do not al
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Longest Valid Parentheses
題目： Given a string containing just the characters ‘(’ and ‘)’, find the length of the longest valid (well-formed)
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Substring with Concatenation of All Words
題目： You are given a string, s, and a list of words, words, that are all of the same length. Find all starting ind
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】4Sum
題目： Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Merge k Sorted Lists
題目： Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 鏈接：Merge k
2020-02-21 12:57:02
原创 【LeetCode算法練習（C++）】Merge Two Sorted Lists
題目：Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the
2020-02-21 12:57:02