Euler1.rs

/*
Euler 1
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
Find the sum of all the multiples of 3 or 5 below 1000.
*/

fn sum_multiples_of_3and5(num : i32) -> i32{
    let mut s  = 0;
    for i in 0..num {
        if i % 3 == 0 || i %5 ==0{
            s += i;
        }
    }
    s
}
fn main(){
    let sum = sum_multiples_of_3and5(1000);

    println!("Sum is = {}",sum);
}