Solved by ioi1117

#	Title	# Solved	Avg. Tries
1100	하얀 칸	18,941	1.39
1152	단어의 개수 STANDARD	117,128	3.00
1292	쉽게 푸는 문제	19,092	1.77
1357	뒤집힌 덧셈	12,144	1.82
1546	평균	131,377	1.99
2557	Hello World STANDARD	362,548	2.54
5597	Who have not handed in ?	70,143	1.94
10171	Cats STANDARD	188,431	2.79

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