An introduction to categories in computing by Jay C.B.

By Jay C.B.

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A. (count == 0) && (limit < 20) b. count == 0 && limit < 20 c. (limit > 20) || (count < 5) d. (count == 12) e. (count == 1) && (x < y) f. (count < 10) || (x < y) g. ( ((count < 10) || (x < y)) && (count >= 0) ) h. ((limit/count) > 7) || (limit < 20) i. (limit < 20) || ((limit/count) > 7) j. ((limit/count) > 7) && (limit < 0) k. (limit < 0) && ((limit/count) > 7) l. 6) 2. You sometimes see numeric intervals given as 2 < x < 3 In C++ this interval does not have the meaning you may expect. Explain and give the correct C++ Boolean expression that specifies that x lies between 2 and 3.

When a program reaches a cin statement, it waits for input to be entered from the keyboard. It sets the first variable equal to the first value typed at the keyboard, the second variable equal to the second value typed, and so forth. However, the program does not read the input until the user presses the Return key. This allows the user to backspace and correct mistakes when entering a line of input. Numbers in the input must be separated by one or more spaces or by a line break. When you use cin statements, the computer will skip over any number of blanks or line breaks until it finds the next input value.

Give an output statement that produces the letter ’A’, followed by the newline character, followed by the letter ’B’, followed by the tab character, followed by the letter ’C’. 4 35 Program Style In matters of grave importance, style, not sincerity, is the vital thing. Oscar Wilde, The Importance of Being Earnest C++ programming style is similar to that used in other languages. The goal is to make your code easy to read and easy to modify. We will say a bit about indenting in the next chapter. We have already discussed defined constants.

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An introduction to categories in computing by Jay C.B.
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