#include?
#include?
#include?
#include?
#include?
#include?

[[noreturn]]?void?usage（const?char*?name）?{
????fprintf（stderr
????????“Usage:?%s?input_file?????????“This?is?the?special?judge?for?Acesrc?and?Hunting.\n“
?????????name）;
????std::exit（EXIT_FAILURE）;
}

[[noreturn]]?void?wa（std::string?reason?=?““）?{
????std::cout?<????if?（reason.size（））?std::cout?<????std::exit（0）;
}

std::string?readToken（）?{
????std::string?token;
????if?（!（std::cin?>>?token））?wa（“error?occurred?on?reading?token“）;
????return?token;
}

int?readInt（int?minv?=?INT_MIN?int?maxv?=?INT_MAX）?{
????std::string?token?=?readToken（）;
????size_t?idx;
????try?{
????????int?ret?=?std::stoi（token?&idx）;
????????if?（token.size（）?!=?idx）?wa（“expected?integer?but?not?found“）;
????????if?（ret??maxv）?
????????????wa（“input?integer?out?of?range:?expected?“?+?
????????????????std::to_string（minv）?+?“?~?“?+?std::to_string（maxv）?+
????????????????“?found?“?+?std::to_string（ret））;
????????return?ret;
????}?catch?（std::out_of_range?&ex）?{
????????wa（“input?integer?overflow“）;
????}?catch?（std::invalid_argument?&ex）?{
????????wa（“expected?integer?but?not?found“）;
????}
}

void?check（int?m?int?n）?{
????std::string?res?=?readToken（）;
????for?（char?&ch?:?res）?ch?=?toupper（ch）;
????if?（res?==?“NO“）?{
????????std::cout?<????}?else?if?（res?==?“YES“）?{
????????std::vector>?visited（m?std::vector（n））;
????????int?u?=?readInt（1?m）?-?1?v?=?readInt（1?n）?-?1;
????????visited[u][v]?=?true;
????????for?（int?i?=?1;?i?????????????int?uu?=?readInt（1?m）?-?1?vv?=?readInt（1?n）?-?1;
????????????int?d2?=?（u?-?uu）?*?（u?-?uu）?+?（v?-?vv）?*?（v?-?vv）;
????????????if?（d2?<=?1?||?d2?>=?9）?wa（“distance?not?between?1?and?3“）;
????????????if?（visited[uu][vv]）?wa（“a?trap?visited?twice“）;
????????????visited[uu][vv]?=?true;
????????????u?=?uu;?v?=?vv;
????????}
????????std::cout?<????}?else?wa（“expected?YES/NO?found?“?+?res）;
}

int?main（int?argc?char?*argv[]）?{
????if?（argc?!=?2）?usage（argv[0]）;
????std::ifstream?fin（argv[1]）;
????int?T;?fin?>>?T;
????while?（T--）?{
????????int?m?n;?fin?>>?m?>>?n;
????????check（m?n）;
????}
????return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2770??2019-08-07?21:03??std\a.cpp

?????文件???????2865??2019-08-07?11:17??std\b.cpp

?????文件???????1072??2019-08-09?16:06??std\c.cpp

?????文件???????1210??2019-08-07?11:17??std\d.cpp

?????文件???????3498??2019-08-09?15:15??std\e.cpp

?????文件???????2136??2019-08-12?18:39??std\f.cpp

?????文件???????7755??2019-08-12?18:20??std\g.cpp

?????文件???????1290??2019-08-09?10:35??std\h.cpp

?????文件???????1514??2019-08-07?11:17??std\i.cpp

?????文件???????1006??2019-08-07?11:58??std\j.cpp

?????文件????????519??2019-08-07?11:59??std\k.cpp

?????文件?????278872??2019-08-14?16:43??solution.pdf

?????文件?????179785??2019-08-14?16:44??stat.pdf

?????文件??????33955??2019-08-12?18:36??data\a.in

?????文件????????137??2019-08-12?18:36??data\a.out

?????文件???12110662??2019-08-12?18:36??data\b.in

?????文件????1924220??2019-08-12?18:36??data\b.out

?????文件??????19376??2019-08-12?18:36??data\c.in

?????文件??????16445??2019-08-12?18:36??data\c.out

?????文件???????2360??2019-08-07?19:56??data\d-spj.cpp

?????文件???????1477??2019-08-12?18:36??data\d.in

?????文件???????1155??2019-08-12?18:36??data\d.out

?????文件?????890059??2019-08-12?18:36??data\e.in

?????文件?????????63??2019-08-12?18:36??data\e.out

?????文件???15562150??2019-08-12?18:36??data\f.in

?????文件????????110??2019-08-12?18:36??data\f.out

?????文件???24295485??2019-08-12?18:36??data\g.in

?????文件????4122330??2019-08-12?18:36??data\g.out

?????文件?????967200??2019-08-12?18:36??data\h.in

?????文件????????374??2019-08-12?18:36??data\h.out

............此處省略11個文件信息