fn main() {
    let a: Vec<i32> = vec![2,2,4,4];
    let b: Vec<i32> = vec![2,2,2,4,4];
    let median = Solution::find_median_sorted_arrays(a, b);
    println!("{}", &median);
}

struct Solution(());

impl Solution {
    pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
        
        // nums1.extend_from_slice(&nums2);
        // instead of extending, chaining & 
        // collecting performs better for some reason
        let mut nums1 = nums1.into_iter().chain(nums2.into_iter()).collect::<Vec<_>>();
        nums1.sort();

        let mut mid = nums1.len() / 2;
        let result: f64 = if nums1.len() % 2 == 0 {
            (nums1[mid - 1] + nums1[mid]) as f64 / 2.0
        } else {
            nums1[mid].into()
        };

        result
    }
}