maths.three_sum
===============

.. py:module:: maths.three_sum

.. autoapi-nested-parse::

   https://en.wikipedia.org/wiki/3SUM



Functions
---------

.. autoapisummary::

   maths.three_sum.three_sum


Module Contents
---------------

.. py:function:: three_sum(nums: list[int]) -> list[list[int]]

   Find all unique triplets in a sorted array of integers that sum up to zero.

   Args:
       nums: A sorted list of integers.

   Returns:
       A list of lists containing unique triplets that sum up to zero.

   >>> three_sum([-1, 0, 1, 2, -1, -4])
   [[-1, -1, 2], [-1, 0, 1]]
   >>> three_sum([1, 2, 3, 4])
   []