Dsa
Intervals
Easy
Free Time Slots
You have a list of busy intervals. Find the free time slots in a given range of time [start_time, end_time]. Each busy interval is defined by two integers: start and end. Print the free intervals in the form 'start end', one per line, where free intervals are the periods between the busy slots.
Example:
Input:
2 4
5 6
8 10
10 12
1 12
Output:
1 2
4 5
6 8
Key concepts
intervalsschedulingavailability
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