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【LeetCode】Validate Binary Search Tree 解题报告
今天CSDN博客发生异常,折腾了大半天终于发出了这篇博文。 【题目】 Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only no...
分类:其他好文   时间:2014-12-03 17:14:52    阅读次数:219
Word Break II
Given a stringsand a dictionary of wordsdict, add spaces insto construct a sentence where each word is a valid dictionary word.Return all such possibl...
分类:其他好文   时间:2014-12-03 13:49:18    阅读次数:163
Valid Number
Validate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the problem stat...
分类:其他好文   时间:2014-12-03 12:20:43    阅读次数:132
Evaluate Reverse Polish Notation
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
分类:其他好文   时间:2014-12-03 12:14:39    阅读次数:169
Leetcode: Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2...
分类:其他好文   时间:2014-12-02 22:12:13    阅读次数:163
<bitmap> requires a valid src attribute
E/AndroidRuntime( 1601): FATAL EXCEPTION: main E/AndroidRuntime( 1601): Process: com.android.camera2, PID: 1601 E/AndroidRuntime( 1601): android.content.res.Resources$NotFoundException: File res/dra...
分类:其他好文   时间:2014-12-02 15:19:38    阅读次数:452
[Leetcode] Sudoku Solver
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...
分类:其他好文   时间:2014-12-02 15:05:17    阅读次数:182
【Leetcode】Evaluate Reverse Polish Notation答案
一、原题 Evaluate Reverse Polish Notation Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer...
分类:其他好文   时间:2014-11-29 11:55:26    阅读次数:204
Leetcode-Valid Parentheses
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close in the c...
分类:其他好文   时间:2014-11-29 11:38:05    阅读次数:124
Leetcode-Valid Sudoku
Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with...
分类:其他好文   时间:2014-11-29 08:53:32    阅读次数:168
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