{ "data": { "question": { "questionId": "3204", "questionFrontendId": "2921", "boundTopicId": null, "title": "Maximum Profitable Triplets With Increasing Prices II", "titleSlug": "maximum-profitable-triplets-with-increasing-prices-ii", "content": null, "translatedTitle": null, "translatedContent": null, "isPaidOnly": true, "difficulty": "Hard", "likes": 7, "dislikes": 0, "isLiked": null, "similarQuestions": "[]", "exampleTestcases": "[10,2,3,4]\n[100,2,7,10]\n[1,2,3,4,5]\n[1,5,3,4,6]\n[4,3,2,1]\n[33,20,19,87]", "categoryTitle": "Algorithms", "contributors": [], "topicTags": [ { "name": "Array", "slug": "array", "translatedName": null, "__typename": "TopicTagNode" }, { "name": "Binary Indexed Tree", "slug": "binary-indexed-tree", "translatedName": null, "__typename": "TopicTagNode" } ], "companyTagStats": null, "codeSnippets": null, "stats": "{\"totalAccepted\": \"257\", \"totalSubmission\": \"450\", \"totalAcceptedRaw\": 257, \"totalSubmissionRaw\": 450, \"acRate\": \"57.1%\"}", "hints": [ "Let's fix the middle chosen item for instance index j.", "Let’s define an array max_right, where max_right[j] represents the maximum profit[k] for every index k > j such that prices[k] > prices[j].", "Consider using a Fenwick tree to fill the max_right.", "Do the same for items with an index i < j such that prices[i] < prices[j] and find the maximum profit[i] among them. Let's call this array max_left.", "Now the profit when an item with the index j is the middle one would be profit[j] + max_right[j] + max_left[j].", "Finally, do the above procedure for all j's and find the maximum profit among them. That would be the final answer." ], "solution": null, "status": null, "sampleTestCase": "[10,2,3,4]\n[100,2,7,10]", "metaData": "{\n \"name\": \"maxProfit\",\n \"params\": [\n {\n \"name\": \"prices\",\n \"type\": \"integer[]\"\n },\n {\n \"type\": \"integer[]\",\n \"name\": \"profits\"\n }\n ],\n \"return\": {\n \"type\": \"integer\"\n }\n}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [], "enableRunCode": true, "enableTestMode": false, "enableDebugger": true, "envInfo": "{\"cpp\": [\"C++\", \"

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OpenJDK 17. Java 8 features such as lambda expressions and stream API can be used.

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Python 2.7.12.

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C# 10 with .NET 6 runtime

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Node.js 16.13.2.

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Ruby 3.1

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Go 1.21

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Python 3.10.

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Scala 2.13.7.

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Kotlin 1.9.0.

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