Longest Alphabetical Substring (Python)
The challenge
Find the longest substring in alphabetical order. If there are multiple substrings of the same maximum length, return the one that …
Read Article →Coding-Challenges
4 articles about coding-challenges development, tools, and best practices
Find the Number With Most Digits (Python)
The challenge
Find the number with the most digits in a list of positive integers. If two numbers have the same number of digits, return the first one …
Read Article →Python String Permutations (No itertools)
The quick way: using itertools
Python’s itertools.permutations handles this in one line:
from itertools import permutations
perms = sorted([ …Find the Longest Vowel Substring in Java
The challenge
The vowel substrings in the word codewarriors are o, e, a, io. The longest of these has a length of 2.
Given a lowercase string that has …
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