Function names cannot begin with a number. Also, this is an extremely simple problem that has been posted many times. Please put more thought into problems before posting them.
I changed the problem slightly and added some more test cases.
Leading size is 0 !!!!!!!!!!!!
Tests are a lot of laugh...
it's very easy
leading solution is zero ,what does this mean?
What is the next step in Conway's Life?
Encode Roman Numerals
Multiply a column by a row
Relative ratio of "1" in binary number
03 - Matrix Variables 2
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