Open Cup 2020/2021 Season Stage 18: Grand Prix of Beijing

	#	제목
A	31110	Autobiography
B	31111	Algebra
C	31112	Cryptography
D	31113	Data Structure
E	31114	Game Theory
F	31115	Graph Theory
G	31116	Hamilton
H	31117	Nonsense
I	31118	Number Theory
J	31119	Permutation Pattern
K	31120	Stringology
L	31121	2D Geometry
M	31122	3D Geometry