C++ Program to Multiply Twp Numbers Without * Operator

This C++ program multiplies two given numbers without using multiplication operator. The multiplication is achieved by use of a for loop which keeps adding first number to variable product in each iteration till the value of second number drops to 0.

Here is the source code of the C++ program multiplies two given numbers without using multiplication operator. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below.

```
/*
```

 * C++ Program to multiply numbers without * operator

```
 */
```
```
#include <iostream>
```
```
 
```
```
int main()
```
```
{
```
```
    long op1, op2, product = 0;
```
```
 
```
```
    std::cout << "Enter the numbers ";
```
```
    std::cin >> op1 >> op2;
```
```
    while(op2 > 0)
```
```
    {
```
```
        product = product + op1;
```
```
        op2--;
```
```
    }
```

    std::cout << std::endl << "The product of " << op1

              << " and " << op2 << " is " << product;

```
}
```

$ a.out
Enter the numbers 10 20
The product of 10 and 20 is 200

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