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When the code scales so poorly in the face of large inputs that it cannot complete in a reasonable amount of time, use this instead of the [performance] tag.

3 votes
1 answer
80 views

Checking if the whole number is prime, and if all its digits are too

That was an easy one to solve but the problem lies in the efficiency since it checks every single digit of the number while converting to integers. I'm receiving TLE (i.e. Time Limit Exceeded) on the …
8 votes
3 answers
1k views

Telling the length of the highest common substring between 2 words

This takes two strings and returns the length of the largest common substring. Example: contando_sstring_igual("abcdef", "cdofhij") # 2 Because the longest common substring = "cd", so it returns t …