Swap Characters of a Single Word
Description:
In the given input word, convert the lower case to upper case and vice versa.
A to a, a to A ...
Example:
'Matl...
minimum numbers of 1 to build n
The (Mahler-Popken) complexity of n: minimal number of 1's required to build n using + and *. see A005245.
In this problem, yo...
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A year is a leap year if it is divisible by 4, but not if it is divisible by 100, unless it is also divisible by 400. This mean...
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You have probably seen the common riddle wherein combined ages are provided and you must determine the individual ages. For exam...