dsalgo 0.3.10

A package for Datastructures and Algorithms.
Documentation 
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pub fn sum_of_multiples(
    limit: u64,
    n: u64,
) -> u64 {
    let cnt = limit / n;

    (1 + cnt) * cnt / 2 * n
}

#[cfg(test)]

mod tests {

    #[test]

    fn test() {
        use super::*;

        assert_eq!(sum_of_multiples(10, 3), 3 + 6 + 9);
    }
}