Sabbir manages the meeting room at a game studio and wants the maximum number of non-overlapping meetings that can be scheduled.
What your program reads
Line1: N. Next N lines: start end.
What your program prints
Maximum number of meetings.
Limits
1 ≤ N ≤ 10^5
Example input
3 1 3 2 4 3 5
Expected output
2
main.c
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