C++ Program to Check if a Number is Positive or Negative

This is a C++ Program to Check if a Number is Positive or Negative.

Problem Description

The program takes a number and checks if it is a positive number or negative number.

Problem Solution

1. The program takes a number.
2. It is checked if it is positive or negative.
3. The result is printed.
4. Exit.

C++ Program/Source code

Here is the source code of C++ Program to Check if a Number is Positive or Negative. The program output is shown below.

```
#include<iostream>
```
```
using namespace std;
```
```
int main ()
```
```
{
```
```
    int num;
```

    cout << "Enter the number to be checked : ";

```
    cin >> num;
```
```
    if (num >= 0)
```

        cout << num << " is a positive number.";

```
    else 
```

        cout << num << " is a negative number.";

```
    return 0;
```
```
}
```

Program Explanation

1. The user is asked to enter a number and it is stored in the variable ‘num’.
2. If num is greater than or equal to 0, it is positive.
3. Else it is a negative number.
4. The result is then printed.

Runtime Test Cases

Case 1 :
Enter the number to be checked : -8
-8 is a negative number.
 
Case 2 :
Enter the number to be checked : 0
0 is a positive number.
 
Case 2 :
Enter the number to be checked : 125
125 is a positive number.

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