Solved by challrinz

#	Title	# Solved	Avg. Tries
31403	$A + B - C$	9,185	1.58
15829	Hashing	18,749	3.32
11720	숫자의 합 STANDARD	128,416	1.79
11654	아스키 코드 STANDARD	120,386	1.23
10250	ACM Hotel	59,763	3.00
8958	Score	98,848	1.94
4153	Egypt	47,938	1.99
2920	NOTE	54,748	1.74
2753	윤년 STANDARD	180,291	1.94
2557	Hello World STANDARD	351,864	2.54
2439	별 찍기 - 2 STANDARD	167,270	1.79
2231	Digit Generator	63,299	2.20
1152	단어의 개수 STANDARD	112,516	3.01
1018	체스판 다시 칠하기	54,709	2.00
1000	A+B STANDARD	318,361	2.58

1