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education/software development/ECE1400/Chapter 9 Exercises.md
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@ -23,6 +23,18 @@ double triangle_area(double base, double height)
> 2. Write a function `check(x, y, n)` that returns `1` if both `x` and `y` fall between zero and `n - 1` inclusive. The function should return 0 otherwise. Assume that `x`, `y`, and `n` are all of type int > 2. Write a function `check(x, y, n)` that returns `1` if both `x` and `y` fall between zero and `n - 1` inclusive. The function should return 0 otherwise. Assume that `x`, `y`, and `n` are all of type int
```c ```c
int check(int x, int y, int n) { int check(int x, int y, int n) {
if (x < 0) int in_range = 1;
if (x < 0 || y < 0) {
in_range = 0;
}
if (x > n - 1 || y > n - 1) {
in_range = 0;
}
return in_range;
} }
``` ```
> 7. Suppose that function `f` has the following definition:
> `int f(int a, int b) { ... }`
> Which of the following statements are legal? Assume that `i` has type `int` and `x` has type `double`).