http://www.jungol.co.kr/bbs/board.php?bo_table=pbank&wr_id=1185&sca=99&sfl=wr_hit&stx=1912 JUNGOL www.jungol.co.kr #include int N, M, s, e, cnt=1; bool checked[100001]; struct Pair { int x, y; } IA1[1000001], IA2[1000001]; struct Match { Match* pPrev; Match* pNext; int linked; Match(Match* prev, Match* next, int val) : pPrev(prev), pNext(next), linked(val) { if (prev != nullptr) prev->pNext = th..