406. Goggle Time limit per test: 0.25 second(s)Memory limit: 65536 kilobytes input: standardoutput: standard Everybody knows search engine Goggle. But only advanced users know that it is possible to search number sequences. You can enter a set of num…

今天遇到一个奇怪的错误,关于Springmvc的,我明明在Controller方法中写了@ResponseBody,返回一个Map,结果报了406错误. 结果发现,少了一个jar包: 加上去就没事了.…

该算法题就是leetcode 406题, 题目描述: Suppose you have a random list of people standing in a queue. Each person is described by a pair of integers (h, k), where h is the height of the person and k is the number of people in front of this person who have a heigh…

@ResponseBody & @RequestBody @RequestBody 将 HTTP 请求正文插入方法中,使用适合的HttpMessageConverter将请求体写入某个对象. @ResponseBody 将内容或对象作为 HTTP 响应正文返回,使用@ResponseBody将会跳过视图处理部分,而是调用适合HttpMessageConverter,将返回值写入输出流. @ResponseBody可以标注任何对象,由Srping完成对象——协议的转换 我们看到,短短几行配置.使用…

Spring MVC 4.1.4 RESTFUL风格返回JSON数据406错误处理 今天在使用spring4.1.4,使用ResponseBody注解返回JSON格式的数据的时候遇到406错误. 解决办法,导入jackson2.X的jar包: jackson-annotations-2.4.4.jar.jackson-core-2.4.4.jar.jackson-databind-2.4.4.jar. spring mvc4.1.4使用了jackson2来处理JSON,jackson2的jar包…

web前段异常: The resource identified by this request is only capable of generating responses with characteristics not acceptable according to the request "accept" headers 异常描述:客户端无法处理服务器返回的数据特征(格式) 1.在http请求头中通过accept字段定义客户端能够处理的数据格式, 事实上,下图演示的请求能够接…

水概率....SGU里难得的水题.... 495. Kids and Prizes Time limit per test: 0.5 second(s)Memory limit: 262144 kilobytes input: standardoutput: standard ICPC (International Cardboard Producing Company) is in the business of producing cardboard boxes. Recently the…

sgu 101 - Domino Time Limit:250MS     Memory Limit:4096KB     64bit IO Format:%I64d & %I64u Description Dominoes – game played with small, rectangular blocks of wood or other material, each identified by a number of dots, or pips, on its face. The bl…

http://acm.sgu.ru/problem.php?contest=0&problem=495 题意:N个箱子M个人,初始N个箱子都有一个礼物,M个人依次等概率取一个箱子,如果有礼物则拿出礼物放回盒子,如果没有礼物则不操作.问M个人拿出礼物个数的期望.(N,M<=100000) #include <cstdio> using namespace std; double mpow(double a, int n) { double r=1; while(n) { if(n&…

我在学习springmvc过程中(我的项目是配置的后缀是.html),从controller返回对象. 如果我不使用 mvc-annotation-driver,而是手动配置,AnnotationMethodHandlerAdapter,然后在配置MappingJackson2HttpMessageConverter转换器,这样是可以正常返回json的. 但是我使用mvc-annotation-deiver,让spring帮我们注册AnnotationMethodHandlerAdapter,然…