The following are three questions on a practice examination for Computer Science 102. I need help not only getting the answer but i need careful explanations and work shown for each of the three problems because some of these are "trick" questions:

SHOW YOUR WORK AND LOGIC

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1 point Declare a new file stream for reading only called fin. type your answer... 10 point How many bytes of memory does the following statement require? int a[101; type your answer... 1 point Declare a vector of 1000 strings, each with the initial value "Hello", in one statement. type your