Look up the functions in the C++ string class, and list three of them here. Describe their purpose.
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The .at(int n) function returns the character of the string located at position n. (Remember, it is zero-indexed. The .size() function returns the length of the string, i.e., how many characters are in the string. The .find(String s) function locates the position of the s String within the invoking string.
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If your current operating system is Windows Server 2008 Standard/Enterprisewith SP2, what are your upgrade options?
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Suppose a loop should execute while x is less than the sum of two integers, a and b. The loop could be written as:while(x < a + b)// loop bodyAlthough this code fragment will run, it is not particularly efficient. In what way is it inefficient, and how could you improve the loop's performance?
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