Test: Computer Science

USING FUNCTIONS

1.

Consider the following C++ code to perform the following subtraction:

9 - 6:

 

#include <iostream>

using namespace std;

int main() {

int total = 0;

cout << "This code performs the following math operation: 9 - 6 = ";

total = sub(6,9);

cout << total;

}

 

int sub(int num1, int num2) {

return (num2 - num1);

}

 

Is there anything wrong with the code?

The code is missing the math library. It should have

#include

The function prototype is missing.

There is nothing wrong with this code.

The arguments in total should be flipped. Such as: total = sum(9,6);

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