export default function waysToBuyPensPencils(
    total: number,
    cost1: number,
    cost2: number,
): number {
    if (cost1 < cost2) {
        [cost1, cost2] = [cost2, cost1];
    }
    return iterate(Array(Math.floor(total / cost1 + 1)).keys()).reduce(
        (a, i) => a + Math.floor(1 + (total - cost1 * i) / cost2),
        0,
    );
}

import iterate from "https://esm.sh/iterare@1.2.1/";