Class Solution
- java.lang.Object
-
- g2401_2500.s2407_longest_increasing_subsequence_ii.Solution
-
public class Solution extends Object
2407 - Longest Increasing Subsequence II.Hard
You are given an integer array
nums
and an integerk
.Find the longest subsequence of
nums
that meets the following requirements:- The subsequence is strictly increasing and
- The difference between adjacent elements in the subsequence is at most
k
.
Return the length of the longest subsequence that meets the requirements.
A subsequence is an array that can be derived from another array by deleting some or no elements without changing the order of the remaining elements.
Example 1:
Input: nums = [4,2,1,4,3,4,5,8,15], k = 3
Output: 5
Explanation:
The longest subsequence that meets the requirements is [1,3,4,5,8].
The subsequence has a length of 5, so we return 5.
Note that the subsequence [1,3,4,5,8,15] does not meet the requirements because 15 - 8 = 7 is larger than 3.
Example 2:
Input: nums = [7,4,5,1,8,12,4,7], k = 5
Output: 4
Explanation:
The longest subsequence that meets the requirements is [4,5,8,12].
The subsequence has a length of 4, so we return 4.
Example 3:
Input: nums = [1,5], k = 1
Output: 1
Explanation: The longest subsequence that meets the requirements is [1]. The subsequence has a length of 1, so we return 1.
Constraints:
1 <= nums.length <= 105
1 <= nums[i], k <= 105
-
-
Constructor Summary
Constructors Constructor Description Solution()
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
lengthOfLIS(int[] nums, int k)
-