Class Solution

java.lang.Object
g0201_0300.s0219_contains_duplicate_ii.Solution

public class Solution extends Object
219 - Contains Duplicate II.<p>Easy</p> <p>Given an integer array <code>nums</code> and an integer <code>k</code>, return <code>true</code> if there are two <strong>distinct indices</strong> <code>i</code> and <code>j</code> in the array such that <code>nums[i] == nums[j]</code> and <code>abs(i - j) <= k</code>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> nums = [1,2,3,1], k = 3</p> <p><strong>Output:</strong> true</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> nums = [1,0,1,1], k = 1</p> <p><strong>Output:</strong> true</p> <p><strong>Example 3:</strong></p> <p><strong>Input:</strong> nums = [1,2,3,1,2,3], k = 2</p> <p><strong>Output:</strong> false</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= nums.length <= 10<sup>5</sup></code></li> <li><code>-10<sup>9</sup> <= nums[i] <= 10<sup>9</sup></code></li> <li><code>0 <= k <= 10<sup>5</sup></code></li> </ul>
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • containsNearbyDuplicate

      public boolean containsNearbyDuplicate(int[] nums, int k)