import java.util.ArrayList; public class MyStack { private ArrayList<Object> arrayList; public MyStack() { arrayList = new ArrayList<>(); } public void pop(Object o) { arrayList.add(o); } public Object myRamove() { int size = arrayList.size();…
思路:刚开始用STL中的栈,一直RE……,之后改为手动模拟栈操作,在注意点细节就可以了!!! 代码如下: #include<cstdio> #include<cstring> #include<algorithm> #define M 1000001 using namespace std; int A[M],B[M],a[M],s[M],cur,x,q,l,r; char c; int main() { while(scanf("%d",&…
如何用Java代码模拟一些如百度.QQ之类的网站登录?有两个方式,一是发送模拟请求,二是模拟浏览器操作,而这两种方式恰好在Java有开源实现,在这里介绍一个工具包,它是家喻户晓的HttpClient. HttpClient 是 Apache Jakarta Common 下的子项目,至于它是干什么用的呢?简单来说就是:它像浏览器一样支持HTTP协议.既然支持HTTP协议,那意味着浏览器能发送的,它也能发送.我想大家都知道登陆的代码流程,大部分无非就是浏览器端以POST方式提交一个form表单,服…
Problem Description As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^). But here comes…