wtlyu / leetcode

Leetcode solution backup

#leetcode solutions using python,c++,c This is my leetcode solution folder.

Language: python,c++,c

Last updated: 2017-05-02

I've solved 47/523 problems (96 problems for a fee).

The source code was fetched using the tool leetcode-spider.

#	Problems	Solutions	Difficulty
001	two-sum	c	Easy
002	add-two-numbers	c	Medium
008	string-to-integer-atoi	c	Medium
013	roman-to-integer	c	Easy
020	valid-parentheses	c	Easy
021	merge-two-sorted-lists	c	Easy
024	swap-nodes-in-pairs	c	Medium
026	remove-duplicates-from-sorted-array	c	Easy
033	search-in-rotated-sorted-array	c	Medium
048	rotate-image	c	Medium
053	maximum-subarray	c	Easy
054	spiral-matrix	c	Medium
073	set-matrix-zeroes	c	Medium
075	sort-colors	c	Medium
088	merge-sorted-array	c	Easy
098	validate-binary-search-tree	c	Medium
103	binary-tree-zigzag-level-order-traversal	c	Medium
112	path-sum	c	Easy
116	populating-next-right-pointers-in-each-node	c	Medium
117	populating-next-right-pointers-in-each-node-ii	c	Medium
121	best-time-to-buy-and-sell-stock	c	Easy
138	copy-list-with-random-pointer	c	Medium
141	linked-list-cycle	c	Easy
151	reverse-words-in-a-string	c	Medium
153	find-minimum-in-rotated-sorted-array	c	Medium
160	intersection-of-two-linked-lists	c	Easy
168	excel-sheet-column-title	c	Easy
171	excel-sheet-column-number	c	Easy
186	reverse-words-in-a-string-ii	c	Medium
191	number-of-1-bits	c	Easy
200	number-of-islands	c	Medium
206	reverse-linked-list	c	Easy
208	implement-trie-prefix-tree	c	Medium
232	implement-queue-using-stacks	c	Easy
235	lowest-common-ancestor-of-a-binary-search-tree	c	Easy
236	lowest-common-ancestor-of-a-binary-tree	c	Medium
237	delete-node-in-a-linked-list	c	Easy
238	product-of-array-except-self	c	Medium
268	missing-number	c	Easy
270	closest-binary-search-tree-value	c	Easy
273	integer-to-english-words	c	hard
348	design-tic-tac-toe	c	Medium
387	first-unique-character-in-a-string	c	Easy
419	battleships-in-a-board	c	Medium
445	add-two-numbers-ii	c	Medium
513	find-bottom-left-tree-value	c	Medium
567	permutation-in-string	c	Medium