原创 Longest Consecutive Sequence (Java)
Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given
2020-02-23 04:43:45
原创 Find Minimum in Rotated Sorted Array II (Java)
Follow up for "Find Minimum in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time c
2020-02-23 04:43:45
原创 Edit Distance (Java)
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation
2020-02-23 04:43:45
原创 Permutations II (Java)
Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example,[1,
2020-02-23 04:43:45
原创 Repeated DNA Sequences (Java)
All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studyin
2018-08-24 01:39:43
原创 Candy (Java)
There are N children standing in a line. Each child is assigned a rating value. You are giving candies to these child
2018-08-24 01:39:41
原创 Longest Valid Parentheses (Java)
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parenth
2018-08-24 01:39:40
原创 Insert Interval (Java)
Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary). You may assu
2018-08-24 01:39:39
原创 Sudoku Solver (Java)
Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character '.'.
2018-08-24 01:39:38
原创 Merge k Sorted Lists (Java)
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. merge two sorted li
2018-08-24 01:39:38
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原创 Maximal Rectangle (Java)
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. 設
2018-08-24 01:39:38
原创 Palindrome Partitioning II (Java)
Given a string s, partition s such that every substring of the partition is a palindrome. Return the minimum cuts nee
2018-08-24 01:39:38
原创 Binary Tree Maximum Path Sum (Java)
Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. For example: Giv
2018-08-24 01:39:38
原创 Median of Two Sorted Arrays (Java)
There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall
2018-08-24 01:39:37
原创 First Missing Positive (Java)
Given an unsorted integer array, find the first missing positive integer. For example, Given [1,2,0] return 3, and [3
2018-08-24 01:39:37