2021-04-06.80.md

80. 删除有序数组中的重复项 II

https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array-ii/

var removeDuplicates = function(nums) {
    let k = 0
    for(let x of nums)
        if (k <2 || (nums[k - 1] != x || nums[k - 2] != x)) nums[k ++] = x
    return k
};