Just DO IT by luckygxf

摘要： Given two integersnandk, return all possible combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution is:[ [2,4], [3,4], [2,3],... 阅读全文

摘要： Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjace... 阅读全文

摘要： Follow up for "Remove Duplicates":What if duplicates are allowed at mosttwice?For example,Given sorted array A =[1,1,1,2,2,3],Your function should ret... 阅读全文

摘要： 1..new在内部类中的使用.new可以用使用外部类对象创建一个内部类，对象DotNew.java 1 package com.gxf.innerclass; 2 3 public class DotNew { 4 class InnerClass{ ... 阅读全文

摘要： Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the origi... 阅读全文

摘要： A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message conta... 阅读全文

摘要： Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return1->4->3->2->5->NULL.No... 阅读全文

摘要： java枚举类型java枚举类型类似java中的普通类，编译后生成.class字节码文件。参考：http://www.cnblogs.com/frankliiu-java/archive/2010/12/07/1898721.htmlhttp://www.cnblogs.com/happyPawpa... 阅读全文

摘要： Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will return the next... 阅读全文

摘要： 原出处：http://blog.csdn.net/hackbuteer1/article/details/7487694C++的static有两种用法：面向过程程序设计中的static和面向对象程序设计中的static。前者应用于普通变量和函数，不涉及类；后者主要说明static在类中的作用。一、面... 阅读全文