原创 LeetCode-Best Time to Buy and Sell Stock IV（JAVA）
Say you have an array for which the i-th element is the price of a given stock on day i. Design an algorithm to fin
2020-06-19 21:18:33
原创 LeetCode-combination-sum (JAVA)
Given a set of candidate numbers (candidates) (without duplicates) and a target number (target), find all unique c
2020-06-19 14:12:01
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原创 LeetCode-Longest Palindromic Substring（JAVA）
Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000
2020-06-19 14:12:00
原创 LeetCode- Find First and Last Position of Element in Sorted Array (JAVA)
Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target
2020-06-19 13:07:54
原创 LeetCode-Unique Binary Search Trees（JAVA）
Given n, how many structurally unique BST’s (binary search trees) that store values 1 … n? Example: Input: 3 Outpu
2020-06-19 13:07:43
原创 Leetcode-Regular Expression Matching(C++)
Implement regular expression matching with support for ‘.’ and ‘*’. ‘.’ Matches any single character. ‘*’ Matches z
2020-06-09 09:36:52
原创 LeetCode-Distinct Subsequences（JAVA）
Given a string S and a string T, count the number of distinct subsequences of S which equals T. A subsequence of a
2020-02-20 20:45:15
原创 LeetCode-Interleaving String（JAVA）
Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2. Example 1: Input: s1 = “aabcc”, s2 =
2020-02-20 20:45:15
原创 LeetCode-Majority Element II (JAVA)
Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. Note: The algorithm shoul
2020-02-20 20:45:15
原创 LeetCode-Maximal Rectangle（JAVa）
Given a 2D binary matrix filled with 0’s and 1’s, find the largest rectangle containing only 1’s and return its are
2020-02-20 20:45:15
原创 LEET CODE-Next Permutation（JAVA）
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of number
2020-02-20 20:45:15
原创 LeetCode- Longest Valid Parentheses（JAVA）
Given a string containing just the characters ‘(’ and ‘)’, find the length of the longest valid (well-formed) paren
2020-02-20 20:45:15
原创 LeetCod-Search in Rotated Sorted Array （Java）
Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6
2020-02-20 20:45:15
原创 LeetCode-Wildcard Matching (JAVA)
Given an input string (s) and a pattern §, implement wildcard pattern matching with support for ‘?’ and ‘*’. ‘?’ Ma
2020-02-20 20:45:15
原创 LeetCode-Scramble String（JAVA）
Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.
2020-02-20 20:45:15