Leetcode question 20 - 30

August 18, 2015

Work on those ten questions quickly, spend 20 minutes on each question; Do not over analyze the problem, try to get basic idea and implementation tips through blogs first.

22 Generate Parentheses

https://github.com/jianminchen/Leetcode_C-/blob/master/GenerateParentheses_No22.cs

23 Merge K Sorted Lists

https://github.com/jianminchen/Leetcode_C-/blob/master/MergeKSortedLists_A_No23.cs

https://github.com/jianminchen/Leetcode_C-/blob/master/MargeKSortedLists_B_No23.cs

24 Swap nodes in pairs

https://github.com/jianminchen/Leetcode_C-/blob/master/24SwapNodesInPairs.cs


C# implementation:
https://github.com/jianminchen/Leetcode_C-/blob/master/24SwapNodesInPairs.cs

25 Reverse Nodes in k-Group

26 Remove Duplicates from Sorted Array

27 Remove Element

28 Implement strStr()

29 Divide Two Integers

30 Substring with Concatenation of All Words