How to write a program on calculating remainder without using modulus operators?

Question

You can only use multiplication, division and subtraction for these.

Answer 1

@Gordie, because I'm no good in Math : D

Answer 2

int num = 10;
int divisor = 3;
while(num != 0)
{
if(num < divisor) break;
num -= divisor;
}
Console.WriteLine(num);

Answer 3

you need smt like this
https://code.sololearn.com/cqEEcDkX37hw/?ref=app

Answer 4

@Gordie, cause we only can add or subtract, multiplication is way above our limit :)