Profile of 4o2a

4o2a

# solved problems9
# attempted problems10
Submissions링크
Solved problems
IZhO14_blocksBOI17_catinatreeJOI13_synchronizationBOI17_tollJOI13_watching
JOI16_selling_rnaLMIO19_bulvesIOI07_sailsAPIO16_fireworks
Submitted but unsolved problems
COCI25_zagi