LeetCode 1144. Decrease Elements To Make Array Zigzag

Problem Statement

impl Solution {
    pub fn moves_to_make_zigzag(nums: Vec<i32>) -> i32 {
        use std::cmp;
        let mut moves = vec![0, 0];
        let (mut l, mut r) = (0, 0);
        for i in 0..nums.len() {
            if i == 0 {
                l = std::i32::MAX;
            } else {
                l = nums[i - 1];
            }
            if i == nums.len() - 1 {
                r = std::i32::MAX;
            } else {
                r = nums[i + 1];
            }
            
            moves[i % 2] += cmp::max(0, nums[i] - cmp::min(l, r) + 1);
        }
        return std::cmp::min(moves[0], moves[1]);
    }
}