Solved by cheolsuhan

#	Title	# Solved	Avg. Tries
13225	Divisors	867	1.14
13226	Divisors Again	182	1.40
13227	TicTacToe	164	1.83
13228	The REAL Manhattan distance	463	1.10
13229	Selection Sum	334	1.19
13234	George Boole	524	1.29
13235	Palindromes	2,259	1.40
13236	Collatz Conjecture	816	1.30
13238	Bitcoin investment	211	1.12
13240	Chessboard	708	1.21
13241	LCM	14,980	1.58
13265	색칠하기	811	2.45
13274	수열	206	3.23
13277	큰 수 곱셈	10,063	1.45
13280	Selection of Participants of an Experiment	143	1.12
13288	A New Alphabet	204	1.73
13297	Quick Estimates	628	1.20
13300	방 배정	10,983	1.68
13301	타일 장식물	6,195	1.92
13304	방 배정	1,960	1.66
13311	행운의 편지	1,800	1.77
13322	접두사 배열	901	1.63
13333	Q-Index	1,361	2.51
13335	Trucks	7,871	1.75
13363	Jumbled Compass	326	1.57
13366	Math Contest	222	2.20
13379	Far Far Away	58	1.67
13399	Rearranging a Sequence	163	1.67
13410	거꾸로 구구단	2,890	1.61
13411	하늘에서 정의가 빗발친다!	719	2.43
13414	수강신청	4,169	3.61
13416	주식 투자	1,711	1.31
13417	카드 문자열	2,492	1.61
13419	탕수육	1,042	1.34
13420	사칙연산	1,931	1.76
13450	László Babai	107	1.22
13456	Richard Hamming	211	1.09
13458	시험 감독	23,878	3.35
13462	Battle Simulation	153	1.80
13472	Sticky Situation	112	1.55
13483	King’s Heir	79	1.63
13484	Tarifa	644	1.14
13490	Cleaning Stations	35	1.31
13496	The Merchant of Venice	943	1.58
13528	Grass Seed Inc.	304	1.13
13552	구와 쿼리	227	4.03
13565	Percolation	3,685	2.24
13567	Robot	1,284	1.67
13580	Andando no tempo	1,355	1.32
13587	huaauhahhuahau	146	1.11

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