Function cbic_sort3

code/chapter06/CantBeliveItCanSort.rs:28–36

降序排序

(nums: &mut [i32])

// 降序排序
fn cbic_sort3(nums: &mut [i32]) {
    for i in 0..nums.len() {
        for j in 0..nums.len() {
            if nums[i] > nums[j] {
                nums.swap(i, j);
            }
        }
    }
}

// 降序排序优化版
fn cbic_sort4(nums: &mut [i32]) {