Java/com/study/demo/test3_3.java

package com.study.demo;

import java.util.Scanner;

public class test3_3 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        int[] arr = new int[n];
        for (int i = 0; i < n; i++) {
            arr[i] = scanner.nextInt();
        }
        int maxLen = 1, currentLen = 1;
        for (int i = 1; i < n; i++) {
            if (arr[i] == arr[i - 1]) {
                currentLen++;
            } else {
                maxLen = Math.max(maxLen, currentLen);
                currentLen = 1;
            }
        }
        maxLen = Math.max(maxLen, currentLen);
        System.out.println(maxLen);
    }
}