摘要： [2016-02-08][javascript][弹出消息框alert]alert(需要弹窗的内容);来自为知笔记(Wiz) 阅读全文

摘要： [2016-02-08][javascript][if语句]if(exp){ //exp为true的语句}else { //exp为false的语句}来自为知笔记(Wiz) 阅读全文

摘要： [2016-02-08][javascript][typeof语句]//返回变量的类型var a;allert( typeof a );//输出 undefined 来自为知笔记(Wiz) 阅读全文

摘要： [2016-02-08][javascript][数据类型]原始数据类型数值类型(以双精度浮点数表示)整数(-253~253)浮点数(-1.7976×10108~1.7976×10108)十进制数121.2-12.2e3//2001.E2//10012e+20//12×10201e-2//0.001十六进制数(0x开头)0xABC八进制数(0开头)000123特殊数Infinity无穷大(+1.7... 阅读全文

摘要： [2016-02-08][javascript][变量]通过 var 关键字声明变量var a;var test = "2333";//文本类型var test2 = 12;//整型var test3 = 1.2;//浮点型变量名称严格区分大小写变量名字以下划线和字母开头常用命名方法(一份代码最好只使用一种命名方法)驼峰标记法var fistName="king";//小驼峰var FistNam... 阅读全文

摘要： UVA - 548 Tree Time Limit: 3000MS Memory Limit: Unknown 64bit IO Format: %lld & %llu Submit Status Description You are to determine the value of the l 阅读全文

摘要： UVA - 679Dropping BallsTime Limit: 3000MSMemory Limit: Unknown64bit IO Format: %lld & %lluSubmit StatusDescriptionA number of K balls are dropped one by one from the root of a fully binary tree struct... 阅读全文

摘要： UVA - 122Trees on the levelTime Limit: 3000MSMemory Limit: Unknown64bit IO Format: %lld & %lluSubmit StatusDescriptionBackgroundTrees are fundamental in many branches of computer science. Current stat... 阅读全文

摘要： [2016-02-05][UVA][442][Matrix Chain Multiplication]UVA - 442Matrix Chain MultiplicationTime Limit: 3000MSMemory Limit: Unknown64bit IO Format: %lld & %lluSubmit StatusDescriptionSuppose you have to ev... 阅读全文

摘要： [2016-02-05][CF][380A][Sereja and Prefixes]CodeForces - 380ASereja and PrefixesTime Limit: 1000MSMemory Limit: 262144KB64bit IO Format: %I64d & %I64uSubmit StatusDescriptionSereja loves number sequenc... 阅读全文