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Profile of Pekiban
Pekiban
Solved problems
APIO14_sequence
BOI14_portals
JOI17_foehn_phenomena
BOI16_bosses
COI15_kovanice
BOI13_ballmachine
CEOI15_pipes
POI11_met
CEOI17_oneway
IZhO18_treearray
JOI18_stove
JOI18_art
JOI18_commuter_pass
JOI18_worst_reporter3
JOI18_airline
JOI18_bitaro
JOI18_candies
CEOI18_glo
IOI18_combo
LMIO19_triusis
CEOI09_harbingers
IOI19_shoes
IZhO19_sortbooks
JOI20_ho_t2
NOI18_knapsack
eJOI19_xoranges
IOI20_supertrees
eJOI20_fountain
JOI21_ho_t4
COCI21_index
JOI22_sprinkler
JOI23_passport
JOI23_travel
BOI24_fire
Submitted but unsolved problems
CEOI21_newspapers
BOI24_wall