Meeting Rooms II

You have a list of meeting intervals with start and end times. Your task is to find the minimum number of meeting rooms required to accommodate all meetings without overlaps. Write a program that reads intervals from input until EOF, where each interval is represented as 'start end' on a new line. Output the minimum number of meeting rooms needed. Input Format: - A sequence of meeting intervals, where each line contains two integers representing start and end times. Output Format: - An integer representing the minimum number of meeting rooms needed. Example: Input: 0 30 5 10 15 20 Output: 2