NAC 2021 Practice

Problems

	Name
A	AND Permutation
B	Apple Orchard
C	Cleaning Robot
D	Contest Construction
E	Ketek Counting
F	Mountainous Palindromic Subarray
G	Permutation CFG
H	Special Cycle
I	The King's Guards
J	The Paladin
K	Token Game
L	TraveLog
M	You be The Judge, Again