题目1 思路 使用vector<string>模拟一个栈就行了</string> cd s相当于进栈 cd ..相当于出栈 pwd命令打印出vector中的内容 代码 #include<iostream> #include<vector> #include<string> #include<unordered_set> #include<algorithm> #include<numeric> #include<queue> using namespace std; int mai...