In 2017 Visual Studio C++ Exercise 8.3 A word is said to be a “doubloon” if ever

Question

In 2017 Visual Studio C++

Exercise 8.3 A word is said to be a “doubloon” if every letter that appears in the word appears exactly twice. For example, the following are all the doubloons I found in my dictionary. Abba, Anna, appall, appearer, appeases, arraigning, beriberi, bilabial, boob, Caucasus, coco, Dada, deed, Emmett, Hannah, horseshoer, intestines, Isis, mama, Mimi, murmur, noon, Otto, papa, peep, reappear, redder, sees, Shanghaiings, Toto WriteafunctioncalledIsDoubloon()thatreturnsTRUEifthegivenwordisadoubloon and FALSE otherwise.

Explanation / Answer

Solution:

Function:

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