Question

find the errors
each of the following programs has errors. find as many as you can.

1. // find the error in this program.

#include <iostream>
using namespace std;
int main()
{
int num1 = 0, num2 = 10, result;
num1++;
result = ++(num1 + num2);
cout << num1 << \ \ << num2 << \ \ << result;
return 0;
}

Explanation:

Step1: Incorrect increment usage

The expression ++(num1 + num2) is incorrect. You cannot apply the pre - increment operator to an expression like this. The pre - increment operator can only be applied to a single variable.

Step2: Missing stream manipulator

The cout statement cout << num1 << " " << num2 << " " << result; is missing a stream manipulator like endl or `
` to end the line properly.

Answer:

1. Incorrect use of pre - increment operator on an expression (++(num1 + num2)).
2. Missing stream manipulator in cout statement to end the line.