Solved by h45652

#	Title	# Solved	Avg. Tries
23968	알고리즘 수업 - 버블 정렬 1	1,199	2.42
11066	Merging Files STANDARD	11,878	2.07
2557	Hello World STANDARD	353,800	2.54
1149	RGB거리 STANDARD	53,173	1.78

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