#include
#include
using?namespace?std;

int?main（）
{
????freopen（“fseq9.in““r“stdin）;
????freopen（“fseq9.out““w“stdout）;
	int?testAB;
	double?ans;
	for（?cin>>test;test;test--?）
	{
		cin>>A>>B;
		if?（A		printf（“%0.6lf\n“ans）;
	}
	return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-07-20?21:49??mo\
?????目錄???????????0??2017-07-20?21:00??mo\data\
?????目錄???????????0??2017-10-23?00:37??mo\problem\
?????文件??????426753??2017-10-18?18:56??mo\problem\NOIP2017模擬.pdf
?????目錄???????????0??2017-10-23?00:37??mo\solution\
?????文件??????210445??2017-10-18?18:47??mo\solution\Solution.pdf
?????文件????????4096??2017-10-01?13:43??mo\solution\._Solution.pdf
?????目錄???????????0??2017-08-18?14:31??mo\std\
?????文件?????????676??2017-09-02?17:02??mo\std\fseq.cpp
?????文件?????????656??2017-07-21?08:18??mo\std\attack_cheat?100%.cpp
?????文件????????2354??2017-08-18?14:31??mo\std\prize.cpp
?????文件????????1035??2017-07-20?21:01??mo\std\attack.cpp
?????目錄???????????0??2017-09-03?22:04??mo\data\attack\
?????文件??????????13??2010-06-20?21:21??mo\data\attack\attack9.in
?????文件???????????3??2010-06-20?21:23??mo\data\attack\attack9.ans
?????文件??????????12??2010-06-20?21:20??mo\data\attack\attack8.in
?????文件???????????3??2010-06-20?21:20??mo\data\attack\attack8.ans
?????文件??????????12??2010-06-20?21:19??mo\data\attack\attack7.in
?????文件???????????3??2010-06-20?21:20??mo\data\attack\attack7.ans
?????文件??????????16??2010-06-20?21:15??mo\data\attack\attack6.in
?????文件???????????3??2010-06-20?21:15??mo\data\attack\attack6.ans
?????文件??????????18??2010-06-20?21:13??mo\data\attack\attack5.in
?????文件???????????3??2010-06-20?21:13??mo\data\attack\attack5.ans
?????文件??????????18??2010-06-20?21:13??mo\data\attack\attack4.in
?????文件???????????3??2010-06-20?21:12??mo\data\attack\attack4.ans
?????文件??????????18??2010-06-20?21:10??mo\data\attack\attack3.in
?????文件???????????3??2010-06-20?21:10??mo\data\attack\attack3.ans
?????文件??????????21??2017-09-03?22:02??mo\data\attack\attack20.in
?????文件???????????1??2017-09-03?22:02??mo\data\attack\attack20.ans
?????文件??????????18??2010-06-20?21:08??mo\data\attack\attack2.in
?????文件???????????3??2010-06-20?21:08??mo\data\attack\attack2.ans
............此處省略58個文件信息