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Profile of Iliya
Iliya
Solved problems
IZhO14_bank
APIO15_skyscraper
APIO17_merchant
IOI09_regions
CEOI11_bal
BOI18_paths
APIO19_strange_device
BOI17_railway
CEOI20_fancyfence
COCI21_anagramistica
COCI21_ljeto
COCI21_kamencici
Submitted but unsolved problems
BOI18_polygon
BOI17_toll