Find if digit game can be won

#[test]
fn test_equal_sums() {
    let start = std::time::Instant::now();
    let val = Solution::can_alice_win(vec![1, 9, 10]);
    let expected = false;
    log_result!(val == expected, "test_equal_sums", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_example1() {
    let start = std::time::Instant::now();
    let val = Solution::can_alice_win(vec![1, 2, 3, 4, 10]);
    let expected = false;
    log_result!(val == expected, "test_example1", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_example2() {
    let start = std::time::Instant::now();
    let val = Solution::can_alice_win(vec![1, 2, 3, 4, 5, 14]);
    let expected = true;
    log_result!(val == expected, "test_example2", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_example3() {
    let start = std::time::Instant::now();
    let val = Solution::can_alice_win(vec![5, 5, 5, 25]);
    let expected = true;
    log_result!(val == expected, "test_example3", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_only_double() {
    let start = std::time::Instant::now();
    let val = Solution::can_alice_win(vec![10, 20]);
    let expected = true;
    log_result!(val == expected, "test_only_double", start, &expected, &val);
    assert_eq!(val, expected);
}

#[test]
fn test_only_single() {
    let start = std::time::Instant::now();
    let val = Solution::can_alice_win(vec![1, 2, 3]);
    let expected = true;
    log_result!(val == expected, "test_only_single", start, &expected, &val);
    assert_eq!(val, expected);
}