heart_blue가 해결한 문제

#	제목	푼 사람 수	평균 시도
11541	At most twice	52	1.58
11542	Blood groups	27	2.11
11684	Sheldon Numbers	37	1.76
12776	Swap Space	122	3.49
12983	Set Definition	46	2.61
13630	Buses	16	1.06
13632	Trucks	9	1.22
15419	Frosting on the Cake	70	2.07
22752	Cells	1	3.00
22762	Counting Triangles	18	1.44
22806	Image is Everything	1	1.00
22836	Telescope	1	1.00

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