{ "data": { "question": { "questionId": "1457", "questionFrontendId": "1335", "categoryTitle": "Algorithms", "boundTopicId": 79212, "title": "Minimum Difficulty of a Job Schedule", "titleSlug": "minimum-difficulty-of-a-job-schedule", "content": "

You want to schedule a list of jobs in d days. Jobs are dependent (i.e To work on the ith job, you have to finish all the jobs j where 0 <= j < i).

\n\n

You have to finish at least one task every day. The difficulty of a job schedule is the sum of difficulties of each day of the d days. The difficulty of a day is the maximum difficulty of a job done on that day.

\n\n

You are given an integer array jobDifficulty and an integer d. The difficulty of the ith job is jobDifficulty[i].

\n\n

Return the minimum difficulty of a job schedule. If you cannot find a schedule for the jobs return -1.

\n\n

 

\n

Example 1:

\n\"\"\n
\nInput: jobDifficulty = [6,5,4,3,2,1], d = 2\nOutput: 7\nExplanation: First day you can finish the first 5 jobs, total difficulty = 6.\nSecond day you can finish the last job, total difficulty = 1.\nThe difficulty of the schedule = 6 + 1 = 7 \n
\n\n

Example 2:

\n\n
\nInput: jobDifficulty = [9,9,9], d = 4\nOutput: -1\nExplanation: If you finish a job per day you will still have a free day. you cannot find a schedule for the given jobs.\n
\n\n

Example 3:

\n\n
\nInput: jobDifficulty = [1,1,1], d = 3\nOutput: 3\nExplanation: The schedule is one job per day. total difficulty will be 3.\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "工作计划的最低难度", "translatedContent": "

你需要制定一份 d 天的工作计划表。工作之间存在依赖,要想执行第 i 项工作,你必须完成全部 j 项工作( 0 <= j < i)。

\n\n

你每天 至少 需要完成一项任务。工作计划的总难度是这 d 天每一天的难度之和,而一天的工作难度是当天应该完成工作的最大难度。

\n\n

给你一个整数数组 jobDifficulty 和一个整数 d,分别代表工作难度和需要计划的天数。第 i 项工作的难度是 jobDifficulty[i]

\n\n

返回整个工作计划的 最小难度 。如果无法制定工作计划,则返回 -1 

\n\n

 

\n\n

示例 1:

\n\n

\"\"

\n\n
输入:jobDifficulty = [6,5,4,3,2,1], d = 2\n输出:7\n解释:第一天,您可以完成前 5 项工作,总难度 = 6.\n第二天,您可以完成最后一项工作,总难度 = 1.\n计划表的难度 = 6 + 1 = 7 \n
\n\n

示例 2:

\n\n
输入:jobDifficulty = [9,9,9], d = 4\n输出:-1\n解释:就算你每天完成一项工作,仍然有一天是空闲的,你无法制定一份能够满足既定工作时间的计划表。\n
\n\n

示例 3:

\n\n
输入:jobDifficulty = [1,1,1], d = 3\n输出:3\n解释:工作计划为每天一项工作,总难度为 3 。\n
\n\n

示例 4:

\n\n
输入:jobDifficulty = [7,1,7,1,7,1], d = 3\n输出:15\n
\n\n

示例 5:

\n\n
输入:jobDifficulty = [11,111,22,222,33,333,44,444], d = 6\n输出:843\n
\n\n

 

\n\n

提示:

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