Count Runners Passed Marathon Checkpoint
Count Runners Passed Marathon Checkpoint
MediumBinary Search100% accepted
Arjun organizes the Mumbai Marathon. Race organizers track runner checkpoint arrivals to manage medical support and hydration stations.
Approach
Given sorted checkpoint arrival times and a query time, count how many runners have passed the checkpoint by the query time.
Input
5
5 12 18 25 32
20
Output
3
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