摘要：
一些细节没处理好，wa了很多次。剪枝不强，跑了6000+ms。View Code 1 /* 2 Author:Zhaofa Fang 3 Lang:C++ 4 */ 5 #include <cstdio> 6 #include <cstdlib> 7 #include <sstream> 8 #include <iostream> 9 10 #include <cstring>11 #include <algorithm>12 #include <string>13 #include <utility&g 阅读全文
