<p>给你两个长度相等的整数数组,返回下面表达式的最大值:</p> <p><code>|arr1[i] - arr1[j]| + |arr2[i] - arr2[j]| + |i - j|</code></p> <p>其中下标 <code>i</code>,<code>j</code> 满足 <code>0 <= i, j < arr1.length</code>。</p> <p> </p> <p><strong>示例 1:</strong></p> <pre><strong>输入:</strong>arr1 = [1,2,3,4], arr2 = [-1,4,5,6] <strong>输出:</strong>13 </pre> <p><strong>示例 2:</strong></p> <pre><strong>输入:</strong>arr1 = [1,-2,-5,0,10], arr2 = [0,-2,-1,-7,-4] <strong>输出:</strong>20</pre> <p> </p> <p><strong>提示:</strong></p> <ul> <li><code>2 <= arr1.length == arr2.length <= 40000</code></li> <li><code>-10^6 <= arr1[i], arr2[i] <= 10^6</code></li> </ul>