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Profile of HellAngel
HellAngel
Solved problems
JOI13_watching
IZhO14_divide
APIO14_sequence
CEOI14_carnival
APIO15_skyscraper
APIO16_boat
APIO16_gap
BOI13_numbers
BOI13_brunhilda
COCI15_topovi
COCI15_relativnost
APIO17_merchant
IOI17_wiring
JOI18_bitaro
CEOI18_glo
JOI19_antennas
JOI19_lamps
JOI19_mergers
APIO19_strange_device
APIO19_bridges
JOI19_jumps
JOI19_remittance
IOI19_shoes
JOI20_ho_t1
JOI20_ho_t2
JOI20_ho_t3
Submitted but unsolved problems
IOI14_wall
IOI17_books
CEOI17_mousetrap
CEOI09_harbingers