SENLINZM-优快云博客

原创 Remove Duplicates from Sorted Array

问题描述解决方案

2014-09-02 23:48:00 554

原创 Binary Tree Postorder Traversal

问题描述Given a binary tree, return the postorder traversal of its nodes' values.For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [3,2,1].Note: Recur

2014-09-02 21:07:53 692

原创 Valid Parentheses

问题描述Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close in the correct order, "()" and "()[]{}"

2014-09-02 19:47:04 651

原创 Add Two Numbers

问题描述You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers

2014-09-02 19:04:09 804

原创 Binary Tree Preorder Traversal

问题描述Given a binary tree, return the preorder traversal of its nodes' values.For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,2,3].Note: Recurs

2014-09-02 16:47:02 756

原创 Evaluate Reverse Polish Notation

问题描述解决方案

2014-09-01 23:57:17 524

原创 Maximum Depth of Binary Tree

问题描述Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.解决方案/** * Definition fo

2014-09-01 22:47:20 693

原创 Pascal's Triangle

问题描述Given numRows, generate the first numRows of Pascal's triangle.For example, given numRows = 5,Return[ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1]]

2014-09-01 16:37:46 632

原创 Reverse Integer

问题描述Example1: x = 123, return 321Example2: x = -123, return -321Have you thought about this?Here are some good questions to ask before coding. Bonus points for you if you have already

2014-09-01 15:10:30 643

原创 Same Tree

问题描述Given two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally identical and the nodes have the same value.解决

2014-09-01 14:35:21 687

原创 Valid Palindrome

判断回文字符串

2014-08-31 22:49:28 857

原创 Reverse Words in a String

问题描述Given an input string, reverse the string word by word.For example,Given s = "the sky is blue",return "blue is sky the".解决方案public class Solution { public String reverseWord

2014-08-31 21:44:35 696

原创 Plus One

问题描述Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at the head of the list.

2014-08-31 21:35:34 678

原创 C++11 array使用详解

C++11中的array使用详解

2014-08-19 15:47:48 11736

原创队列的实现

实现Deque类Java版本

2014-07-29 22:35:12 740

原创栈的实现

使用链表的方式来实现栈

2014-07-28 11:56:43 704

原创初识Servlet（一）

Servlet程序运行在服务端上，当客户

2014-06-29 15:21:11 803

原创初识JavaFX（二）

import javafx.application.Application;import javafx.geometry.Pos;import javafx.geometry.HPos;import javafx.geometry.Insets;import javafx.scene.Scene;import javafx.scene.control.Button;import jav

2014-06-28 17:29:21 1813

原创初识JavaFX (一)

import javafx.application.Application;import javafx.scene.Scene;import javafx.scene.control.Button;import javafx.stage.Stage;public class Program extends Application{ @Override public vo

2014-06-28 10:05:28 1204

原创 Qt-旋转图案

taowidget.h#ifndef _TAOWIDGET_H_#define _TAOWIDGET_H_#include class QTimer;class TaoWidget : public QWidget{public: TaoWidget( QWidget * = 0 ); protected: void paintEvent( QPai

2014-04-23 17:35:19 1107

原创 Qt打砖块游戏

程序由自定义的 5 个类构成: • Ball 类代表小球,包含小球所在矩形于窗格 (frame) 中的位置,另外,小球还包含变量来表示小球的颜色、运动速度等属性。• Brick 类代表砖块,砖块同样包含尺寸、方位、颜色这些信息。• Paddle 类代表划浆,划浆包含移动步长、方位、颜色这些信息。• Game 类代表游戏窗格,用来直接控制小球的运行,划浆的移动,及砖块的绘

2014-04-06 13:37:17 7133 5

原创 Qt-信号映射器

numerickeypad.h#ifndef _NUMERICKEYPAD_H_#define _NUMERICKEYPAD_H_#include class QPushButton;class QLineEdit;class NumericKeypad : public QWidget{ Q_OBJECT public: NumericKeypa

2014-03-22 23:15:14 2518

原创 Qt-文本绘制

drawtext.h#ifndef _DRAWTEXT_H_#define _DRAWTEXT_H_#include #include class DrawText : public QWidget{ public: DrawText( QWidget * = 0 ); protected: void paintEvent( QPaintEvent *

2014-03-22 22:59:21 855