Code examples

• C++11/14 features
• algorithm problems
• linux system programming
• Cmake & make build system
• etc.

LeetCode Algorithms

#	Title	Solution	Difficulty
337	House Robber III	C++	Medium
441	Arranging Coins	C++	Hard
236	Lowest Common Ancestor of a Binary Tree	C++	Medium
	Weekly Context 196	C++	19/19
1502	[WC196] Can Make Arithmetic Progression From Sequence	C++	Easy
1503	[WC196] Last Moment Before All Ants Fall Out of a Plank	C++	Medium
1504	[WC196] Count Submatrices With All Ones	C++	Medium
1505	[WC196] Minimum Possible Integer After at Most K Adjacent Swaps On Digits	C++	Hard
107	Binary Tree Level Order Traversal II	C++	Easy
212	Word Search II	C++	Hard
234	Palindrome Linked List	C++	Easy
1044	Longest Duplicate Substring	C++	Hard
275	H-Index II	C++	Medium
581	Shortest Unsorted Continuous Subarray	C++	Easy
787	Cheapest Flights Within K Stops	C++	Medium
5454	Least Number of Unique Integers after K Removals	C++	Medium
368	Largest Divisible Subset	C++	Medium
75	Sort Colors	C++	Medium
392	Is Subsequence	C++	Easy
518	Coin Change 2	C++	Medium
101	Symmetric Tree	C++	Easy
406	Queue Reconstruction by Height	C++	Medium
448	Find All Numbers Disappeared in an Array	C++	Easy
206	Reverse Linked List	C++	Easy
617	Merge Two Binary Trees	C++	Easy
207	Course Schedule	C++	Medium
287	Find the Duplicate Number	C++	Medium
528	Random Pick with Weight	C++	Medium
105	Construct Binary Tree from Preorder and Inorder Traversal	C++	Medium
344	Reverse String	C++	Easy
	Weekly Context 190	C++	12/18
45	Jump Game II	C++	Hard
46	Permutations	C++	Medium
19	Remove Nth Node From End of List	C++	Medium
1029	Two City Scheduling	C++	Easy
416	Partition Equal Subset Sum	C++	Medium
240	Search a 2D Matrix II	C++	Medium
437	Path Sum III	C++	Easy
198	House Robber	C++	Easy
237	Delete Node in a Linked List	C++	Easy
739	Daily Temperatures	C++	Medium
246	Invert Binary Tree	C++	Easy
121	Best Time to Buy and Sell Stock	C++	Easy
16	3Sum Closest	C++	Medium
1466	Reorder Routes to Make All Paths Lead to the City Zero	C++	Medium
42	Trapping Rain Water	C++	Hard