摘要：
https://www.luogu.com.cn/problem/P1175 1 #define bug(x) cout<<#x<<" is "<<x<<endl 2 #include<bits/stdc++.h> 3 using namespace std; 4 #define pa pair<i 阅读全文
摘要：
1 #define bug(x) cout<<#x<<" is "<<x<<endl 2 #include<bits/stdc++.h> 3 using namespace std; 4 const int N=1000; 5 stack<char>s; 6 int n; 7 char t[N]; 阅读全文
摘要：
1 #define bug(x) cout<<#x<<" is "<<x<<endl 2 #include<bits/stdc++.h> 3 using namespace std; 4 const int N=2e6+10; 5 6 stack<char>s; 7 queue<char>q; 8 阅读全文