{ "data": { "question": { "questionId": "3454", "questionFrontendId": "3229", "categoryTitle": "Algorithms", "boundTopicId": 2849197, "title": "Minimum Operations to Make Array Equal to Target", "titleSlug": "minimum-operations-to-make-array-equal-to-target", "content": "

You are given two positive integer arrays nums and target, of the same length.

\n\n

In a single operation, you can select any subarray of nums and increment or decrement each element within that subarray by 1.

\n\n

Return the minimum number of operations required to make nums equal to the array target.

\n\n

 

\n

Example 1:

\n\n
\n

Input: nums = [3,5,1,2], target = [4,6,2,4]

\n\n

Output: 2

\n\n

Explanation:

\n\n

We will perform the following operations to make nums equal to target:
\n- Increment nums[0..3] by 1, nums = [4,6,2,3].
\n- Increment nums[3..3] by 1, nums = [4,6,2,4].

\n
\n\n

Example 2:

\n\n
\n

Input: nums = [1,3,2], target = [2,1,4]

\n\n

Output: 5

\n\n

Explanation:

\n\n

We will perform the following operations to make nums equal to target:
\n- Increment nums[0..0] by 1, nums = [2,3,2].
\n- Decrement nums[1..1] by 1, nums = [2,2,2].
\n- Decrement nums[1..1] by 1, nums = [2,1,2].
\n- Increment nums[2..2] by 1, nums = [2,1,3].
\n- Increment nums[2..2] by 1, nums = [2,1,4].

\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "使数组等于目标数组所需的最少操作次数", "translatedContent": "

给你两个长度相同的正整数数组 numstarget

\n\n

在一次操作中,你可以选择 nums 的任何子数组,并将该子数组内的每个元素的值增加或减少 1。

\n\n

返回使 nums 数组变为 target 数组所需的 最少 操作次数。

\n\n

 

\n\n

示例 1:

\n\n
\n

输入: nums = [3,5,1,2], target = [4,6,2,4]

\n\n

输出: 2

\n\n

解释:

\n\n

执行以下操作可以使 nums 等于 target
\n- nums[0..3] 增加 1,nums = [4,6,2,3]
\n- nums[3..3] 增加 1,nums = [4,6,2,4]

\n
\n\n

示例 2:

\n\n
\n

输入: nums = [1,3,2], target = [2,1,4]

\n\n

输出: 5

\n\n

解释:

\n\n

执行以下操作可以使 nums 等于 target
\n- nums[0..0] 增加 1,nums = [2,3,2]
\n- nums[1..1] 减少 1,nums = [2,2,2]
\n- nums[1..1] 减少 1,nums = [2,1,2]
\n- nums[2..2] 增加 1,nums = [2,1,3]
\n- nums[2..2] 增加 1,nums = [2,1,4]

\n
\n\n

 

\n\n

提示:

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