Open Cup 2020/2021 Season Stage 6: Grand Prix of NorthBeach (Bei Sha Tan), Division 1

	#	タイトル
A	20788	Arrange and Count!
B	20789	Build More 2020's!
C	20790	Choose Two Subsequences
D	20791	Determinant Strikes Back
E	20792	Efficient Data Structure
F	20793	Fibonnacci Suffix Array
G	20794	Greatest Square
H	20795	Hamming Distance
I	20796	Integers and Ranges
J	20797	Jailing