Problem
Given an array and K, find the length of the longest contiguous subarray with at most K distinct numbers.
Input format
Input
input.txt
- The first line contains N and K (1 ≤ N ≤ 100, 1 ≤ K ≤ N). - The second line contains N integers.
Output format
Output
output.txt
- The maximal length.
Example
input
7 2 1 2 1 2 3 2 2
output
4
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Sample cases (from the problem)
Sample Case 1
Input
7 2 1 2 1 2 3 2 2
Expected output
4
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