Package g0001_0100.s0015_3sum

Class Solution

java.lang.Object

g0001_0100.s0015_3sum.Solution

public class Solution
extends Object

15 - 3Sum.<p>Medium</p> <p>Given an integer array nums, return all the triplets <code>[nums[i], nums[j], nums[k]]</code> such that <code>i != j</code>, <code>i != k</code>, and <code>j != k</code>, and <code>nums[i] + nums[j] + nums[k] == 0</code>.</p> <p>Notice that the solution set must not contain duplicate triplets.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> nums = [-1,0,1,2,-1,-4]</p> <p><strong>Output:</strong> [[-1,-1,2],[-1,0,1]]</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> nums = []</p> <p><strong>Output:</strong> []</p> <p><strong>Example 3:</strong></p> <p><strong>Input:</strong> nums = [0]</p> <p><strong>Output:</strong> []</p> <p><strong>Constraints:</strong></p> <ul> <li><code>0 <= nums.length <= 3000</code></li> <li><code>-10⁵ <= nums[i] <= 10⁵</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
List<List<Integer>>	threeSum(int[] nums)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

threeSum

public List<List<Integer>> threeSum(int[] nums)