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Profile of happy_node
happy_node
Solved problems
balkan11_timeismoney
JOI16_skyscraper
JOI19_examination
JOI19_meetings
JOI19_lamps
JOI19_mergers
JOI19_remittance
JOI20_ho_t1
JOI20_ho_t2
JOI20_ho_t3
JOI20_ho_t4
JOI20_ho_t5
JOI20_building4
JOI20_capital_city
JOI20_furniture
JOI21_ho_t1
JOI21_ho_t2
JOI21_ho_t3
JOI21_ho_t4
JOI21_meetings2
JOI21_event2
JOI21_worst_reporter4
JOI21_financial
JOI22_ho_t4
JOI22_jail
JOI22_misspelling
JOI22_copypaste3
JOI22_team
JOI22_sprinkler
JOI22_dango3
JOI22_reconstruction
JOI22_seesaw
JOI23_currencies
JOI23_travel
Submitted but unsolved problems
JOI17_amusement_park
JOI19_cake3
JOI20_joitter2
JOI22_kyoto