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Profile of ghostwriter
ghostwriter
Solved problems
IOI11_race
IOI12_tournament
JOI13_watching
IOI12_scrivener
IOI12_city
IOI13_dreaming
IOI13_cave
IOI13_robots
IOI10_cluedo
IZhO12_apple
IZhO11_triangle
IZhO14_divide
IZhO14_bank
IZhO14_blocks
IOI11_crocodile
IOI11_ricehub
APIO14_palindrome
APIO14_sequence
APIO14_beads
BOI14_friends
JOI14_factories
JOI14_fortune_telling2
JOI14_secret
CEOI14_carnival
JOI14_pinball
IOI14_wall
IOI14_game
IOI14_gondola
IOI14_friend
APIO15_sculpture
APIO15_bridge
IOI15_boxes
IOI15_horses
IOI15_sorting
IOI16_molecules
IOI16_messy
IOI16_paint
APIO16_boat
APIO16_gap
CEOI16_kangaroo
JOI17_foehn_phenomena
JOI17_semiexpress
JOI17_joioi
JOI17_port_facility
JOI16_selling_rna
JOI16_skyscraper
JOI15_election_campaign
JOI15_sterilizing
BOI16_park
BOI16_cities
BOI13_ballmachine
BOI13_numbers
BOI15_net
CEOI15_teams
CEOI15_bobek
COCI15_baloni
APIO17_merchant
CEOI12_jobs
IZhO17_bootfall
IZhO17_money
IZhO17_subsequence
IZhO17_game
CEOI17_oneway
CEOI17_sure
CEOI17_building
CEOI17_palindromic
IZhO18_plan
IZhO18_treearray
JOI18_stove
JOI18_art
JOI18_dango_maker
JOI18_commuter_pass
JOI18_construction
JOI18_tents
JOI18_worst_reporter3
JOI18_bitaro
JOI18_candies
JOI18_library
info1cup17_eastereggs
IOI09_garage
IOI09_mecho
IOI09_regions
IOI08_printer
IOI07_sails
IOI07_miners
CEOI11_bal
BOI18_paths
JOI18_bubblesort2
JOI18_xylophone
BOI18_election
CEOI18_clo
CEOI18_glo
CEOI18_toy
IOI18_combo
IOI18_werewolf
COCI18_nadan
JOI19_ho_t1
JOI19_ho_t2
JOI19_ho_t3
JOI19_ho_t4
JOI19_examination
JOI19_lamps
JOI19_mergers
BOI19_nautilus
BOI19_valley
BOI19_kitchen
LMIO19_triusis
APIO19_strange_device
APIO19_bridges
APIO19_street_lamps
BOI17_railway
BOI17_toll
JOI19_jumps
JOI19_remittance
IOI19_shoes
IOI19_vision
IZhO19_stones
IZhO19_sortbooks
IZhO19_segments
IOI10_memory
IOI10_traffic
JOI20_ho_t1
JOI20_ho_t2
JOI20_ho_t3
NOI19_pilot
NOI19_lasers
NOI19_feast
NOI18_knapsack
eJOI19_xoranges
eJOI19_rack
JOI20_building4
NOI20_crypto
NOI20_fuelstation
NOI20_firefighting
APIO20_swap
JOI20_power
IOI20_supertrees
IOI20_tickets
IOI20_stations
JOI21_ho_t1
JOI21_ho_t2
JOI21_financial
IOI21_dna
COCI22_naboj
COCI22_palindromi
Submitted but unsolved problems
IOI11_garden
IOI14_holiday
APIO15_skyscraper
IOI16_aliens
APIO16_fireworks
CEOI15_pipes
IOI17_wiring
IOI17_prize
IOI18_doll