Profile of koketsu

koketsu

# solved problems6
# attempted problems11
Submissions링크
Solved problems
IZhO18_sequenceIZhO19_stonesIZhO19_segmentsIZhO19_lyuboynIZhO18_treearray
IZhO19_xoractive
Submitted but unsolved problems
IZhO18_chessboardIZhO18_planIZhO18_segmentsIZhO19_sortbooksIZhO18_nicegift