雪溯

摘要： 1 think before codingcode incrementally2sentinel valuesentinel-controlled loop3 输入输出重定向 > = 1;i--){ sum += 1d/i; }System.out.println(sum);//11.3970039... 阅读全文

摘要： 1单向if语句双向if语句dangling elseswitch:char,byte,short,int2javax.swing.JOptionPane.showConfirmDialog(null,text);返回值:JOptionPane.YES_OPTION:0JOptionPane.NO_O... 阅读全文

摘要： 1原始数据类型(primitive data type) == 基本类型 (fundamental type)byte short int long float double char boolean引用类型 reference type2System.in System.outjava.util.... 阅读全文

摘要： java语言程序设计基础篇笔记1. 几种有名的语言COBOL:商业应用FORTRAN:数学运算BASIC:易学易用Visual Basic,Delphi:图形用户界面C:汇编语言的强大功能和易学性,可移植性C++:系统软件C#:.netjava:互联网应用程序2. java语言规范:java.sun... 阅读全文

摘要： CowsTime Limit:2000MSMemory Limit:65536KTotal Submissions:7038Accepted:3242DescriptionYour friend to the south is interested in building fences and tu... 阅读全文

摘要： Nlogonia is fighting a ruthless war against the neighboring country of Cubiconia. The Chief General of Nlogonia's Army decided to attack the enemy wit... 阅读全文

摘要： F. Treeland Tourtime limit per test5 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe "Road Accident" band is plan... 阅读全文

摘要： Sum of Consecutive Prime NumbersTime Limit:1000MSMemory Limit:65536KTotal Submissions:19697Accepted:10800DescriptionSome positive integers can be repr... 阅读全文

摘要： Run AwayTime Limit:3000MSMemory Limit:65536KTotal Submissions:6482Accepted:1993DescriptionOne of the traps we will encounter in the Pyramid is located... 阅读全文

摘要： 首先是转载,觉得写得真好一. 爬山算法 ( Hill Climbing ) 介绍模拟退火前，先介绍爬山算法。爬山算法是一种简单的贪心搜索算法，该算法每次从当前解的临近解空间中选择一个最优解作为当前解，直到达到一个局部最优解。 爬山算法实现很简单，其主要缺点是会陷入局部最优解，而不一定能搜索到全局最优... 阅读全文