2007-2008 Winter Petrozavodsk Camp, Andrew Stankevich Contest 28 (ASC 28)J. Triatrip(bitset优化)
https://codeforc.es/gym/100342bitset存边搞一搞1#include2usingnamespacestd;3typedeflonglongll;4constintN=2e3+5;5bitsetin[N],out[N],t;6chars[N][N];7intn;8intmain(){9freopen("triatrip.in","r",stdin);//没这两行就wa