Open Cup 2019/2020 Season Stage 18: Grand Prix of Bytedance

	#	제목
A	23487	Triangle Tiling
B	23488	Balanced Binary String
C	23489	Digital Root
D	23490	Ternary String Revolution
E	23491	Chiaki Chain Counting
F	23492	Subset Sum
G	23493	Back and Forth
H	23494	Stone Game
I	23495	Longest Lyndon Prefix
J	23496	Program Optimization
K	23497	Determination
L	23498	Fraction Reduction