How to check if an integer can be divided by 3

Question

How to check if my integer can be divided by 3 as below:

for(int i=0; i<24;  i++){
   //here, how to check if \"i\" can be divided by 3 completely(e.g. 3,         


        

Answer 1

inside the loop:

if (i%3 == 0)
    // it can be divided by 3

% is called "mod" or "modulus" and gives you the remainder when dividing two numbers.

These are all true:

6 % 3 == 0
7 % 3 == 1
7 % 4 == 3