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

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.

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