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Java-based LeetCode algorithm problem solutions, regularly updated
package g2801_2900.s2831_find_the_longest_equal_subarray;
// #Medium #Array #Hash_Table #Binary_Search #Sliding_Window
// #2023_12_11_Time_15_ms_(96.81%)_Space_57.6_MB_(92.02%)
import java.util.List;
public class Solution {
public int longestEqualSubarray(List nums, int k) {
int[] count = new int[nums.size() + 1];
int i = 0;
int maxCount = 0;
for (int j = 0; j < nums.size(); j++) {
count[nums.get(j)]++;
maxCount = Math.max(maxCount, count[nums.get(j)]);
if ((j - i + 1) - maxCount > k) {
count[nums.get(i)]--;
i++;
}
}
return maxCount;
}
}