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Profile of choikiwon
choikiwon
Solved problems
balkan11_timeismoney
IZhO13_school
IZhO13_rowords
IZhO13_crazy
IZhO11_skyline
IZhO11_kthpath
IZhO14_divide
IZhO14_bank
IZhO14_blocks
IZhO14_marriage
JOI14_stamps
JOI14_joioji
JOI14_scarecrows
JOI14_voltage
JOI14_constellation2
JOI14_fortune_telling2
JOI13_collecting
JOI13_cake
JOI13_koala
JOI13_construction
JOI13_mascots
IOI16_molecules
IOI16_paint
JOI17_port_facility
JOI17_sparklers
JOI17_arranging_tickets
JOI17_railway_trip
JOI17_coach
JOI17_long_mansion
JOI16_selling_rna
JOI16_skyscraper
JOI15_sterilizing
KRIII5_JK
KRIII5_YZ
CEOI12_race
JOI16_solitaire
JOI16_employment
JOI16_sandwich
JOI16_toilets
JOI16_sushi
JOI16_telegraph
JOI16_skating
JOI16_worst_reporter2
JOI17_bulldozer
IOI17_books
IZhO17_bootfall
IZhO17_subsequence
IZhO17_bomb
IZhO18_chessboard
IZhO18_nicegift
IZhO18_segments
JOI18_tents
JOI18_worst_reporter3
JOI18_bitaro
JOI18_candies
info1cup18_maxcomp
JOI15_walls
BOI18_election
BOI18_minmaxtree
BOI18_parentrises
BOI18_zalmoxis
JOI19_dishes
CEOI10_bodyguards
CEOI10_mp3player
CEOI10_pin
CEOI10_tower
Submitted but unsolved problems
JOI13_synchronization
KRIII5_WX