Solved by guswlr9564

#	Title	# Solved	Avg. Tries
1977	완전제곱수	16,449	2.05
2557	Hello World STANDARD	354,364	2.54
2562	최댓값	136,439	2.20
2675	Repeating Characters	109,450	2.00
5597	Who have not handed in ?	66,374	1.94
9093	Word Reversal	17,472	1.83
10810	공 넣기	47,653	1.92
10813	공 바꾸기	46,537	1.58
10871	X보다 작은 수 STANDARD	153,816	1.84
10950	A+B - 3 STANDARD	166,120	1.71
25304	영수증	77,948	1.80
27866	문자와 문자열 STANDARD	56,812	1.48

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