原创 97. Interleaving String
Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2. For example, Given:s1 = "aabcc",s2 = "dbb
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原创 102. 107.Binary Tree Level Order Traversal
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).
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原创 106. Construct Binary Tree from Inorder and Postorder Traversal
Given inorder and postorder traversal of a tree, construct the binary tree. 分析： 中序是左中右，後序是左右中，構建一棵樹最重要的是找到其根節點，即中，因此以後
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原创 101. Symmetric Tree
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binar
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原创 99. Recover Binary Search Tree
Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Not
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原创 152. Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest product. For exampl
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原创 85. Maximal Rectangle
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area. F
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原创 153.154. Find Minimum in Rotated Sorted Array
Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0
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原创 155. Min Stack
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push eleme
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原创 463. Island Perimeter
You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cel
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原创 168. Excel Sheet Column Title
Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A
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原创 179. Largest Number
Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30,
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原创 132. Palindrome Partitioning II
Given a string s, partition s such that every substring of the partition is a palindrome. Return the minimum cuts neede
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原创 172. Factorial Trailing Zeroes
Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time compl
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原创 encoder-decoder
Encoder-decoder框架 Encoder-decoder框架最抽象的一種表示：即由一個句子生成另一個句子的通過處理模型。 對於句子對<x,y>,目標是給定輸入句子x，期待通過encoder-decoder框架生成目標句子y.
2018-09-04 06:11:19