Problem Description:Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.Solution: 递归。 1 public List>...
分类：
其他好文 时间：
2014-07-07 16:59:12
阅读次数：
169
Problem Description:Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in th...
分类：
其他好文 时间：
2014-07-07 16:20:26
阅读次数：
216
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.For example,Given 1->2-...
分类：
其他好文 时间：
2014-07-07 16:17:00
阅读次数：
139
Problem Description:Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ...
分类：
其他好文 时间：
2014-07-07 16:02:55
阅读次数：
259
The operators we have seen so far are all special characters like + and *, but there are a few operators that are words. in is a boolean operator that...
分类：
其他好文 时间：
2014-07-07 15:39:31
阅读次数：
246
Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n).
好吧，大家认为这样的字体还是比較好看，全部我们就换这样的字体了。INSERT INTO 语句用于向表格中插入新的行。语法INSERT INTO 表名称 VALUES (值1, 值2,....)我们也能够指定所要插入数据的列：INSERT INTO table_name (列1, 列2,...) VA...
分类：
数据库 时间：
2014-07-07 14:56:19
阅读次数：
236
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.
分类：
其他好文 时间：
2014-07-07 14:48:39
阅读次数：
160
题目
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
Note: You can only move either down...
分类：
其他好文 时间：
2014-06-30 11:10:34
阅读次数：
211
题目
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other.
Given an integer n, return all distinct solutions to the n-que...
分类：
其他好文 时间：
2014-06-30 00:34:18
阅读次数：
188
