leetcode-hard-array-128. Longest Consecutive Sequence

mycode   92.62%

class Solution(object):
    def longestConsecutive(self, nums):
        """
        :type nums: List[int]
        :rtype: int
        """
        if not nums:
            return 0
        nums = sorted(set(nums))
        res = 1
        final = 1
        for i in range(len(nums)-1):
            print(nums[i],nums[i+1])
            if nums[i+1] == (nums[i] + 1):
                res += 1
            else:
                final = max(final,res)
                res = 1
        final = max(final,res)
        return final

参考

class Solution(object):
    def longestConsecutive(self, nums):
        """
        :type nums: List[int]
        :rtype: int
        """
        nums=set(nums)
        maxi=0
        for i in nums:
            if i-1 not in nums:
                y=i+1
                while y in nums:
                    y=y+1
                maxi=max(maxi,y-i)
        return maxi