摘要： 题目说的很明白了，按照题意做就行了第一次用栈，wa了几次，注意弄清关系，别弄混当前页和栈中页的状态就不多说了#include<iostream>#include<stack>#include<string>//#include<fstream>using namespace std;int main(){ string p = "http://www.acm.org/"; stack<string> backward; stack<string> forward; string s; backward. 阅读全文