12 2014 档案

[Leetcode] Next Permutation
摘要：Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not possibl... 阅读全文
posted @ 2014-12-31 07:42 Phoebe815 阅读(199) 评论(0) 推荐(0)
[Leetcode] Maximum Gap
摘要：Given an unsorted array, find the maximum difference between the successive elements in its sorted form.Try to solve it in linear time/space.Return 0 ... 阅读全文
posted @ 2014-12-31 05:47 Phoebe815 阅读(268) 评论(0) 推荐(0)
[Leetcode] Min Stack
摘要：Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.push(x) -- Push element x onto stack.pop() -- Removes... 阅读全文
posted @ 2014-12-30 02:40 Phoebe815 阅读(110) 评论(0) 推荐(0)
[Leetcode] Sudoku Solver
摘要：Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that there will be on... 阅读全文
posted @ 2014-12-02 14:03 Phoebe815 阅读(221) 评论(0) 推荐(0)
微博段子
摘要： 阅读全文
posted @ 2014-12-02 12:43 Phoebe815 阅读(139) 评论(0) 推荐(0)
[Leetcode] Longest Consecutive Sequence
摘要：Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4, 200, 1, 3, 2],The longest ... 阅读全文
posted @ 2014-12-02 12:06 Phoebe815 阅读(119) 评论(0) 推荐(0)
[Leetcode] Recover Binary Search Tree
摘要：Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(n) space is ... 阅读全文
posted @ 2014-12-02 07:18 Phoebe815 阅读(182) 评论(0) 推荐(0)
[Leetcode] First Missing Positive
摘要：Given an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]return2.Your algorithm should ru... 阅读全文
posted @ 2014-12-01 17:16 Phoebe815 阅读(144) 评论(0) 推荐(0)