26. Remove Duplicates from Sorted Array - LeetCode

class Solution1:
    def removeDuplicates(self, nums: list[int]) -> int:
        v, p = -101, 0  # ng
        for i in range(len(nums)):
            if nums[i] > v:
                v = nums[p] = nums[i]
                p += 1
        return p


class Solution:
    def removeDuplicates(self, nums: list[int]) -> int:
        p = 1
        for i in range(1, len(nums)):
            if nums[p - 1] < nums[i]:
                nums[p], p = nums[i], p + 1
        return p