Solved by yehyun

#	Title	# Solved	Avg. Tries
5717	Og	10,957	1.28
5656	Relational Operators	1,772	1.66
5639	Binary Search Tree	13,040	2.65
5622	BAKA	72,131	1.71
5618	공약수	3,703	1.99
5597	Who have not handed in ?	59,604	1.93
5596	Score	11,574	1.21
5586	JOI와 IOI	3,839	1.27
5585	거스름돈	26,056	1.52
5582	공통 부분 문자열	6,344	2.36
5576	콘테스트	5,629	1.26
5575	타임 카드	6,240	1.31
5567	결혼식	7,620	2.24
5565	영수증	12,944	1.14
5557	1학년	7,583	2.14
5554	심부름 가는 길 STANDARD	13,313	1.18
5543	상근날드	27,177	1.47
5532	방학 숙제	11,595	1.56
5525	IOIOI	9,896	3.37
5524	입실 관리	6,165	1.25
5522	카드 게임	16,852	1.20
5502	Palindrome	608	1.97
5430	Integer Lists STANDARD	25,211	4.94
5397	Keylogger	12,465	3.63
5393	Collatz	137	2.85
5354	J Box	3,190	2.30
5347	LCM	3,823	1.96
5339	Call For Help STANDARD	14,694	1.48
5338	Microsoft Logo	19,609	1.25
5337	Welcome	17,234	1.38
5257	timeismoney	66	2.67
5086	Factors And Multiples	35,364	1.59
5063	Nasty Hacks	10,295	1.43
5062	Different Digits	43	1.58
5054	Optimal Parking	3,305	1.27
5032	Soda Surpler	3,393	1.80
5026	Help a PhD candidate out!	1,794	1.47
5015	ls	363	2.94
5014	Elevator Trouble	14,485	2.97
4999	Aaah! STANDARD	13,432	1.60
4963	How Many Islands? STANDARD	26,259	2.02
4949	The Balance of the World	37,491	3.06
4948	Chebyshev's Theorem	34,370	2.58
4889	Seinfeld	2,641	2.16
4803	Trees	4,589	3.09
4690	Perfect Cubes	2,211	2.53
4673	Self Numbers	71,873	2.03
4641	Doubles	2,119	1.44
4613	Quicksum	977	1.20
4592	Duplicate Removal	1,509	1.53

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