You are given a 0-indexed integer array nums. There exists an array arr of length nums.length, where arr[i] is the sum of |i - j| over all j such that nums[j] == nums[i] and j != i. If there is no such j, set arr[i] to be 0.
Return the array arr.
\n
Example 1:
\n\n\nInput: nums = [1,3,1,1,2]\nOutput: [5,0,3,4,0]\nExplanation: \nWhen i = 0, nums[0] == nums[2] and nums[0] == nums[3]. Therefore, arr[0] = |0 - 2| + |0 - 3| = 5. \nWhen i = 1, arr[1] = 0 because there is no other index with value 3.\nWhen i = 2, nums[2] == nums[0] and nums[2] == nums[3]. Therefore, arr[2] = |2 - 0| + |2 - 3| = 3. \nWhen i = 3, nums[3] == nums[0] and nums[3] == nums[2]. Therefore, arr[3] = |3 - 0| + |3 - 2| = 4. \nWhen i = 4, arr[4] = 0 because there is no other index with value 2. \n\n\n\n
Example 2:
\n\n\nInput: nums = [0,5,3]\nOutput: [0,0,0]\nExplanation: Since each element in nums is distinct, arr[i] = 0 for all i.\n\n\n
\n
Constraints:
\n\n1 <= nums.length <= 1050 <= nums[i] <= 109\n
Note: This question is the same as 2121: Intervals Between Identical Elements.
\n", "translatedTitle": "等值距离和", "translatedContent": "给你一个下标从 0 开始的整数数组 nums 。现有一个长度等于 nums.length 的数组 arr 。对于满足 nums[j] == nums[i] 且 j != i 的所有 j ，arr[i] 等于所有 |i - j| 之和。如果不存在这样的 j ，则令 arr[i] 等于 0 。
返回数组 arr 。
\n\n
示例 1：
\n\n\n输入：nums = [1,3,1,1,2]\n输出：[5,0,3,4,0]\n解释：\ni = 0 ，nums[0] == nums[2] 且 nums[0] == nums[3] 。因此，arr[0] = |0 - 2| + |0 - 3| = 5 。 \ni = 1 ，arr[1] = 0 因为不存在值等于 3 的其他下标。\ni = 2 ，nums[2] == nums[0] 且 nums[2] == nums[3] 。因此，arr[2] = |2 - 0| + |2 - 3| = 3 。\ni = 3 ，nums[3] == nums[0] 且 nums[3] == nums[2] 。因此，arr[3] = |3 - 0| + |3 - 2| = 4 。 \ni = 4 ，arr[4] = 0 因为不存在值等于 2 的其他下标。\n\n\n
示例 2：
\n\n\n输入：nums = [0,5,3]\n输出：[0,0,0]\n解释：因为 nums 中的元素互不相同，对于所有 i ，都有 arr[i] = 0 。\n\n\n
\n\n
提示：
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