新一代的天皇巨星

2016年4月14日

摘要： You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you cl 阅读全文

posted @ 2016-04-14 13:45 新一代的天皇巨星阅读(146) 评论(0) 推荐(0)

121. Best Time to Buy and Sell Stock && 122. Best Time to Buy and Sell Stock II && 123. Best Time to Buy and Sell Stock III && 309. Best Time to Buy and Sell Stock with Cooldown

摘要： 121. Best Time to Buy and Sell Stock Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitte 阅读全文

posted @ 2016-04-14 13:31 新一代的天皇巨星阅读(305) 评论(0) 推荐(0)

234. Palindrome Linked List

摘要： Given a singly linked list, determine if it is a palindrome. Follow up:Could you do it in O(n) time and O(1) space? Linked List Two Pointers With extr 阅读全文

posted @ 2016-04-14 13:20 新一代的天皇巨星阅读(239) 评论(0) 推荐(0)

2016年4月13日

206. Reverse Linked List

摘要： Reverse a singly linked list. click to show more hints. Hint: A linked list can be reversed either iteratively or recursively. Could you implement bot 阅读全文

posted @ 2016-04-13 13:19 新一代的天皇巨星阅读(112) 评论(0) 推荐(0)

2016年4月12日

21. Merge Two Sorted Lists && 23. Merge k Sorted Lists

摘要： 21. Merge Two Sorted Lists Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of th 阅读全文

posted @ 2016-04-12 13:15 新一代的天皇巨星阅读(151) 评论(0) 推荐(0)

2016年4月10日

Scala multiple inheritance. Mixin order v.s. Super order.

摘要： Code is everything: 阅读全文

posted @ 2016-04-10 05:45 新一代的天皇巨星阅读(182) 评论(0) 推荐(0)

2016年4月9日

257. Binary Tree Paths

摘要： Given a binary tree, return all root-to-leaf paths. For example, given the following binary tree: 1 / \ 2 3 \ 5 All root-to-leaf paths are: ["1->2->5" 阅读全文

posted @ 2016-04-09 12:55 新一代的天皇巨星阅读(160) 评论(0) 推荐(0)

2016年3月14日

108. Convert Sorted Array to Binary Search Tree

摘要： Subscribe to see which companies asked this question 阅读全文

posted @ 2016-03-14 08:16 新一代的天皇巨星阅读(132) 评论(0) 推荐(0)

101. Symmetric Tree

摘要： For example, this binary tree is symmetric: But the following is not: Note:Bonus points if you could solve it both recursively and iteratively. co 阅读全文

posted @ 2016-03-14 07:56 新一代的天皇巨星阅读(129) 评论(0) 推荐(0)

18. 4Sum

摘要： Note: Subscribe to see which companies asked this question 阅读全文

posted @ 2016-03-14 06:43 新一代的天皇巨星阅读(417) 评论(0) 推荐(0)

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