Given a string s consisting of words and spaces, return the length of the last word in the string. A word is a maximal substring consisting of non-space characters only. Example 1: Input: s = "Hello ...

# The encoding rule is: k[encoded_string], where the encoded_string inside # the square brackets is being repeated exactly k times. # Note: # k will be a positive integer and encoded string will not ...

Python is one of the most popular and easy to learn programming languages around at the moment. While the syntax may be relatively easier to understand, the language is still quite powerful and has ...