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Profile of daffuwu
daffuwu
Solved problems
IOI13_cave
APIO14_sequence
IOI14_game
JOI18_commuter_pass
IOI07_aliens
BOI18_dna
CEOI18_clo
CEOI18_glo
CEOI18_toy
IOI18_combo
NOI18_journey
NOI17_bestplace
JOI19_ho_t1
IZhO19_segments
info1cup20_tabletennis
CEOI20_fancyfence
JOI21_crossing