373. Furthest Point From Origin

You are given a string moves of length n consisting only of characters 'L', 'R', and '_'. The string represents your movement on a number line starting from the origin 0. In the ith move, you can choose one of the following directions: - move to the left if moves[i] = 'L' or moves[i] = '_' - move to the right if moves[i] = 'R' or moves[i] = '_' Return the distance from the origin of the furthest point you can get to after n moves.