Find the maximum divisibility score

#[test]
fn t1() {
    let start = std::time::Instant::now();
    let val = Solution::max_div_score(vec![2, 9, 15, 50], vec![5, 3, 7, 2]);
    let expected = 2;
    log_result!(val == expected, "t1", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t2() {
    let start = std::time::Instant::now();
    let val = Solution::max_div_score(vec![4, 7, 9, 3, 9], vec![5, 2, 3]);
    let expected = 3;
    log_result!(val == expected, "t2", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t3() {
    let start = std::time::Instant::now();
    let val = Solution::max_div_score(vec![20, 14, 21, 10], vec![10, 16, 20]);
    let expected = 10;
    log_result!(val == expected, "t3", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t4() {
    let start = std::time::Instant::now();
    let val = Solution::max_div_score(vec![3, 5, 7], vec![11, 13, 2]);
    let expected = 2;
    log_result!(val == expected, "t4", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn t5() {
    let start = std::time::Instant::now();
    let val = Solution::max_div_score(vec![2, 4, 6, 8], vec![2]);
    let expected = 2;
    log_result!(val == expected, "t5", start, &expected, &val);
    assert_eq!(val, expected);
}