Solved by blackbee4

#	Title	# Solved	Avg. Tries
6749	Next in line STANDARD	7,809	1.14
6721	Backward numbers	356	1.29
6603	Lotto	25,942	1.80
6549	Largest Rectangle in a Histogram	10,988	3.64
6491	Perfection	376	2.59
6438	Reverse Text	442	1.29
6437	Golf	349	1.75
6436	Floppies	239	2.15
6378	Digital Roots	2,790	2.13
6322	Geometry made simple	1,903	2.81
6321	IBM minus one STANDARD	2,727	2.03
6190	Another Cow Number Game	459	1.54
6162	Superlatives	347	2.11
6131	Perfect Squares	2,776	1.37
6064	Cain Calendar	15,449	3.69
6030	Scavenger Hunt	714	1.33
5988	Even? Odd?	6,274	2.03
5949	Adding Commas	606	1.33
5928	Contest Timing	2,525	1.81
5904	Moo	2,404	2.83
5893	Times17	3,567	1.75
5789	Making Decisions	2,726	1.69
5753	Pascal Library	227	1.69
5751	Head or Tail	654	1.23
5724	Feynman	2,150	1.22
5717	Og	11,834	1.28
5692	Factorial Again!	1,933	2.26
5691	Mean Median Problem	1,994	1.24
5666	Hot Dogs	1,082	1.62
5639	Binary Search Tree	14,072	2.63
5613	계산기 프로그램	3,135	1.47
5612	터널의 입구와 출구	2,232	1.87
5607	問題 １	497	1.21
5597	Who have not handed in ?	65,552	1.94
5596	Score	12,286	1.22
5585	거스름돈	27,198	1.52
5582	공통 부분 문자열	6,741	2.35
5575	타임 카드	6,615	1.31
5565	영수증	13,468	1.14
5557	1학년	7,953	2.11
5554	심부름 가는 길 STANDARD	13,896	1.18
5543	상근날드	27,958	1.47
5532	방학 숙제	12,199	1.56
5525	IOIOI	10,809	3.36
5524	입실 관리	6,804	1.26
5523	경기 결과	3,601	1.43
5522	카드 게임	18,068	1.21
5430	Integer Lists STANDARD	26,939	4.89
5365	Decoder	270	1.20
5362	Garbled Message	178	1.34

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