Which test case is going wrong?


try this
1 4 2
2 21
4 14 25 2
13 21
your output=1000
ac output=20

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That was a nice catch…
Thanks, but I altered the code, few cases got right, but some are still wrong:

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find lower bound for start time
and upper bound for end time
compare and find minimum of all values which is possible
i implemented solution by use of TreeSet in java