why this code is not correct?
s = summ(v)
sorry mate, this is unfair for those who actually came up with a compact solution
No need to be sorry.
Personally I think the regexp should be always forbidden.
I used it (and I had never thought about it before) because it seems that everyone is using it.
Find the largest value in the 3D matrix
What number has this problem?
Perfect Square or not
Remove the Zero
Triangle of numbers
Product of Each Column
How many Integers?
Find the largest number
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