Solved by kkhmsg30

#	Title	# Solved	Avg. Tries
28419	더하기	221	1.82
28420	카더가든	86	1.57
28421	곱하기와 쿼리	107	4.86
28422	XOR 카드 게임	116	2.16
28423	게임	79	1.73
28431	Matching socks	1,932	1.53
28444	HI-ARC=?	1,991	1.11
28453	Previous Level	1,043	1.19
28454	Gift Expire Date	573	1.40
28455	Union Maplestory	549	1.93
29196	Not Decimal	536	2.51
29197	Taekwondo	439	2.85
29198	Yet Another String Problem in C	414	1.99
29332	보물 지도	220	2.47
29336	월향, 비상	142	2.36
31395	Number of Sorted Contiguous Subsequences	470	1.98
31403	$A + B - C$	1,758	1.45

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