LC-2177 Medium LeetCode

2177. Find Three Consecutive Integers That Sum to a Given Number

Read the full problem statement on LeetCode.

Difficulty: medium Acceptance: 65% Topics: Math, Simulation

Reading material

Math & Geometry 12 min Simulation & Enumeration 9 min

Reference solution (spoiler · python)

# Time:  O(1)
# Space: O(1)

# math
class Solution(object):
    def sumOfThree(self, num):
        """
        :type num: int
        :rtype: List[int]
        """
        return [num//3-1, num//3, num//3+1] if num%3 == 0 else []

Solution from kamyu104/LeetCode-Solutions · MIT