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Profile of qwerty234
qwerty234
Solved problems
IOI15_boxes
IOI16_aliens
IZhO17_subsequence
JOI18_bubblesort2
JOI18_catdog
JOI18_collapse
JOI18_xylophone
IOI18_combo
IOI18_werewolf
IOI19_shoes
JOI20_joitter2
JOI20_furniture
JOI20_monochrome
JOI20_power
Submitted but unsolved problems
CEOI09_harbingers