Package g0101_0200.s0137_single_number_ii

Class Solution

java.lang.Object

g0101_0200.s0137_single_number_ii.Solution

public class Solution
extends Object

137 - Single Number II.<p>Medium</p> <p>Given an integer array <code>nums</code> where every element appears <strong>three times</strong> except for one, which appears <strong>exactly once</strong>. <em>Find the single element and return it</em>.</p> <p>You must implement a solution with a linear runtime complexity and use only constant extra space.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> nums = [2,2,3,2]</p> <p><strong>Output:</strong> 3</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> nums = [0,1,0,1,0,1,99]</p> <p><strong>Output:</strong> 99</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= nums.length <= 3 * 10⁴</code></li> <li><code>-2³¹ <= nums[i] <= 2³¹ - 1</code></li> <li>Each element in <code>nums</code> appears exactly <strong>three times</strong> except for one element which appears <strong>once</strong>.</li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
int	singleNumber(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

singleNumber

public int singleNumber(int[] nums)