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Profile of gs25
gs25
Solved problems
APIO14_palindrome
KOI17_cook
POI11_kon
CCO17_shifty
Submitted but unsolved problems
KOI13_aqua3
APIO16_fireworks
KOI17_shell
IOI09_salesman
KOI18_footprint
BOI19_olympiads
IOI20_tickets
JOI23_council
CCO23_day2problem1