{ "data": { "question": { "questionId": "1649", "questionFrontendId": "1546", "categoryTitle": "Algorithms", "boundTopicId": 362627, "title": "Maximum Number of Non-Overlapping Subarrays With Sum Equals Target", "titleSlug": "maximum-number-of-non-overlapping-subarrays-with-sum-equals-target", "content": "

Given an array nums and an integer target, return the maximum number of non-empty non-overlapping subarrays such that the sum of values in each subarray is equal to target.

\n\n

 

\n

Example 1:

\n\n
\nInput: nums = [1,1,1,1,1], target = 2\nOutput: 2\nExplanation: There are 2 non-overlapping subarrays [1,1,1,1,1] with sum equals to target(2).\n
\n\n

Example 2:

\n\n
\nInput: nums = [-1,3,5,1,4,2,-9], target = 6\nOutput: 2\nExplanation: There are 3 subarrays with sum equal to 6.\n([5,1], [4,2], [3,5,1,4,2,-9]) but only the first 2 are non-overlapping.\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "和为目标值且不重叠的非空子数组的最大数目", "translatedContent": "

给你一个数组 nums 和一个整数 target 。

\n\n

请你返回 非空不重叠 子数组的最大数目,且每个子数组中数字和都为 target 。

\n\n

 

\n\n

示例 1:

\n\n
输入:nums = [1,1,1,1,1], target = 2\n输出:2\n解释:总共有 2 个不重叠子数组(加粗数字表示) [1,1,1,1,1] ,它们的和为目标值 2 。\n
\n\n

示例 2:

\n\n
输入:nums = [-1,3,5,1,4,2,-9], target = 6\n输出:2\n解释:总共有 3 个子数组和为 6 。\n([5,1], [4,2], [3,5,1,4,2,-9]) 但只有前 2 个是不重叠的。
\n\n

示例 3:

\n\n
输入:nums = [-2,6,6,3,5,4,1,2,8], target = 10\n输出:3\n
\n\n

示例 4:

\n\n
输入:nums = [0,0,0], target = 0\n输出:3\n
\n\n

 

\n\n

提示:

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exact-integer?)\n )", "__typename": "CodeSnippetNode" }, { "lang": "Cangjie", "langSlug": "cangjie", "code": "class Solution {\n func maxNonOverlapping(nums: Array, target: Int64): Int64 {\n\n }\n}", "__typename": "CodeSnippetNode" } ], "stats": "{\"totalAccepted\": \"11.4K\", \"totalSubmission\": \"23K\", \"totalAcceptedRaw\": 11444, \"totalSubmissionRaw\": 23047, \"acRate\": \"49.7%\"}", "hints": [ "Keep track of prefix sums to quickly look up what subarray that sums \"target\" can be formed at each step of scanning the input array.", "It can be proved that greedily forming valid subarrays as soon as one is found is optimal." ], "solution": null, "status": null, "sampleTestCase": "[1,1,1,1,1]\n2", "metaData": "{\n \"name\": \"maxNonOverlapping\",\n \"params\": [\n {\n \"name\": \"nums\",\n \"type\": \"integer[]\"\n },\n {\n \"type\": \"integer\",\n \"name\": \"target\"\n }\n ],\n \"return\": {\n \"type\": \"integer\"\n }\n}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [], "enableRunCode": true, "envInfo": "{\"cpp\":[\"C++\",\"

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