摘要:
码农题 #include <bits/stdc++.h> #define LOCAL using namespace std; template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) 阅读全文
摘要:
#include <bits/stdc++.h> #define LOCAL using namespace std; template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { r 阅读全文