Given a string s consists of upper/lower-case alphabets and empty space characters
' ', return the length of last word in the string.
If the last word does not exist, return 0.
Note: A word is defined as a character sequence consists of non-space characters only.
For example,
Given s =
return
Given s =
"Hello World",return
5.
Straightforward solution, just take care of continuous training empty signs.
Round 2 Solution:
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