Solved by guswlr9564

#	Title	# Solved	Avg. Tries
1977	완전제곱수	16,678	2.05
2557	Hello World STANDARD	359,053	2.54
2562	최댓값	138,870	2.20
2675	Repeating Characters	111,535	2.00
5597	Who have not handed in ?	68,486	1.94
9093	Word Reversal	17,722	1.83
10810	공 넣기	49,634	1.92
10813	공 바꾸기	48,435	1.58
10871	X보다 작은 수 STANDARD	156,330	1.84
10950	A+B - 3 STANDARD	168,834	1.71
25304	영수증	80,352	1.80
27866	문자와 문자열 STANDARD	59,315	1.48

1