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Rejected due to absense of random tests.
Needs random tests.
You should switch
sample test casesandtest casesThe short singal in this string is 1 unit long
For the long signal (1 * 3 - 2) = 1 is the raw signal ratio penalty
If considered short singal, the average short singal is now 1.333 and if calculate mean square error there would be another penalty
It's just the trade-off between those two penalties, in my own opinion