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Profile of kevin
kevin
Solved problems
IOI13_robots
IOI15_boxes
IOI15_sorting
IOI16_molecules
JOI16_skyscraper
IOI17_wiring
JOI18_commuter_pass
IOI09_mecho
IOI07_sails
JOI19_ho_t2
IOI19_shoes
JOI20_power
Submitted but unsolved problems
IOI16_railroad
JOI18_dango_maker