摘要：
Valid SudokuDetermine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are ... 阅读全文
摘要：
3SumGiven an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:El... 阅读全文
摘要：
Two SumGiven an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the... 阅读全文
摘要：
Longest Consecutive SequenceGiven an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4... 阅读全文
摘要：
Median of Two Sorted ArraysThere are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run... 阅读全文