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education/software development/ECE1400/Chapter 9 Exercises.md
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@ -38,3 +38,12 @@ int check(int x, int y, int n) {
> 7. Suppose that function `f` has the following definition: > 7. Suppose that function `f` has the following definition:
> `int f(int a, int b) { ... }` > `int f(int a, int b) { ... }`
> Which of the following statements are legal? Assume that `i` has type `int` and `x` has type `double`). > Which of the following statements are legal? Assume that `i` has type `int` and `x` has type `double`).
Answer:
All of them are legal and will compile and run. (c) and (d) are what I would consider bad practice because they perform an implicit conversion from a double to an int, and should include an explicit cast.
> 8. Which of the following would be valid prototypes for a function that returns nothing and has one double parameter?
Answer:
(a) and (b).
Parameters must contain a type annotation but theyd o