摘要： 1 #include 2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8 #include 9 #include 10 #define esp 1e-611 #define pb push_back12 #define in freopen("in.txt", "r", stdin);13 #define out freopen("out.txt", "w", stdout);14 #define print(a) printf(& 阅读全文