LeetCode: Non Decreasing Array Solution

1/**
2 * @param {number[]} nums
3 * @return {boolean}
4 */
5var checkPossibility = function (nums) {
6 // replace
7 for (let i = 0; i < nums.length - 1; i++) {
8 if (nums[i] > nums[i + 1]) {
9 if (nums[i] > nums[i + 2]) {
10 nums[i] = nums[i + 1]
11 } else {
12 nums[i + 1] = nums[i]
13 }
14 break
15 }
16 }
17
18 // recheck
19 for (let i = 0; i < nums.length - 1; i++) {
20 if (nums[i] > nums[i + 1]) {
21 return false
22 }
23 }
24 return true
25}

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