Input ["BookMyShow", "gather", "gather", "scatter", "scatter"] [[2, 5], [4, 0], [2, 0], [5, 1], [5, 1]] Output [null, [0, 0], [], true, false] Explanation BookMyShow bms = new BookMyShow(2, 5); // There are 2 rows with 5 seats each bms.gather(4, 0); // return [0, 0] // The group books seats [0, 3] of row 0. bms.gather(2, 0); // return [] // There is only 1 seat left in row 0, // so it is not possible to book 2 consecutive seats. bms.scatter(5, 1); // return True // The group books seat 4 of row 0 and seats [0, 3] of row 1. bms.scatter(5, 1); // return False // There is only one seat left in the hall.