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Comment by Muromec

5 days ago

Seventh hour is everything between 6:01 and 6:59, yes.

Yes.

That is why half open sets, half open intervals, are convenient.

If a bus leaves every 10 minutes starting at 1 PM, how many buses leave per hour ? Do we include the 2PM bus in the first hour ?

It helps to cover the space by non-overlapping equal intervals.

Shows up in 0 indexed for loops as well i < n