/**
 * 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
 *
 *
 * @param arr int整型一维数组 the array
 * @return int整型
 */
function maxLength(arr) {
    // write code here
    if (arr.length < 2) return arr.length;
    let p1 = 0;
    let p2 = 0;
    let res = 1;
    for (p2 = 1; p2 < arr.length; p2++) {
        if (!arr.slice(p1, p2).includes(arr[p2])) {
            continue;
        } else {
            res = Math.max(res, p2 - p1);
            p1 = arr.slice(p1, p2).indexOf(arr[p2]) + p1+1;
            console.log("p1", p1);
        }
    }
    res = Math.max(res, p2 - p1);
    console.log(res);
    return res;
}
module.exports = {
    maxLength: maxLength,
};