Hotel Bookings Possible Interviewbit Solution

Problem: Hotel Bookings Possible

Problem Description:

A hotel manager has to process N advance bookings of rooms for the next season. His hotel has C rooms. Bookings contain an arrival date and a departure date. He wants to find out whether there are enough rooms in the hotel to satisfy the demand. Write a program that solves this problem in time O(N log N).

Input Format

First argument is an integer array A containing arrival time of booking.
Second argument is an integer array B containing departure time of booking.
Third argument is an integer C denoting the count of rooms.

Output Format

Return True if there are enough rooms for N bookings else return False.
Return 0/1 for C programs.

Example Input

Input 1:
 A = [1, 3, 5]  B = [2, 6, 8]  C = 1

Example Output

Output 1:

Example Explanation

Explanation 1:
 At day = 5, there are 2 guests in the hotel. But I have only one room.