rustgym/leetcode/
_1200_minimum_absolute_difference.rs

1struct Solution;
2
3use std::i32;
4
5impl Solution {
6    fn minimum_abs_difference(mut arr: Vec<i32>) -> Vec<Vec<i32>> {
7        arr.sort_unstable();
8        let min = arr
9            .windows(2)
10            .fold(i32::MAX, |x, v| i32::min(x, v[1] - v[0]));
11        let mut res: Vec<Vec<i32>> = vec![];
12        for v in arr.windows(2) {
13            if v[1] - v[0] == min {
14                res.push(v.to_vec())
15            }
16        }
17        res
18    }
19}
20
21#[test]
22fn test() {
23    let arr = vec![4, 2, 1, 3];
24    let res: Vec<Vec<i32>> = vec_vec_i32![[1, 2], [2, 3], [3, 4]];
25    assert_eq!(Solution::minimum_abs_difference(arr), res);
26    let arr = vec![1, 3, 6, 10, 15];
27    let res: Vec<Vec<i32>> = vec_vec_i32![[1, 3]];
28    assert_eq!(Solution::minimum_abs_difference(arr), res);
29    let arr = vec![3, 8, -10, 23, 19, -4, -14, 27];
30    let res: Vec<Vec<i32>> = vec_vec_i32![[-14, -10], [19, 23], [23, 27]];
31    assert_eq!(Solution::minimum_abs_difference(arr), res);
32}