1386. Cinema Seat Allocation

A cinema has n rows of seats, numbered from 1 to n. Each row has 10 seats, numbered from 1 to 10. You are given a 2D integer array reservedSeats, where reservedSeats[i] = [rowi, seati] means that seat seati in row rowi is already reserved. A four-person group must be assigned to four seats in the same row. The group can be seated in one of the following seat blocks: - seats 2, 3, 4, 5 - seats