Untitled

class Solution:
    def threeSum(self, nums: List[int]) -> List[List[int]]:
        sums, seen = set(), set()
        for i, num in enumerate(nums):
            if i == 0 or nums != nums[i-1]:
                seen = set()
                for num2 in nums[i+1:]:
                    num3 = -(num+num2)
                    if num3 in seen:
                        sums.add(tuple(sorted([num, num2, num3])))
                    seen.add(num2)
        return 


import cProfile
from typing import List
import random

nums = [random.randint(-10000, 10000) for i in range(10000)]
def threeSum() -> List[List[int]]:
    sums, dup, seen = set(), set(), set()
    for i, num in enumerate(nums):
        if num not in dup:
            dup.add(num)
            seen = set()
            for num2 in nums[i+1:]:
                num3 = -(num+num2)
                if num3 in seen:
                    sums.add(tuple(sorted([num, num2, num3])))
                seen.add(num2)
    return sums

cProfile.run("threeSum()")