C++ : Memory waste? If main() should only return 0 or 1, why is main declared with int and not short

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C++ : Memory waste? If main() should only return 0 or 1, why is main declared with int and not short int or even char?
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C++ : Memory waste? If main() should only return 0 or 1, why is main declared with int and not short int or even char?
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and should main() : 1, not short waste? main why or C++ 0 is only If even char? int Memory with declared int return or



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