JavaScript (Coding)
This coding test is designed to assess a candidate's knowledge and skills in coding, JavaScript, data structures, and data manipulation. The test will include a variety of questions and tasks that will require the candidate to demonstrate their ability to write code, manipulate data structures, and use JavaScript to solve problems. The candidate will be expected to demonstrate their understanding of the concepts and their ability to apply them in a practical setting. The test will also assess the candidate's ability to debug and troubleshoot code.
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Bobby has to do n chores today. i-th chore takes a[i] unit of time to complete. It is guaranteed that for every i, the condition a[i] >= a[i]-1 is met, so the sequence is sorted.
Also, Bobby can work hard on some chores. He can choose no more than k chores and do each in x units of time instead of a[i].
Bobby is very responsible, so he has to do all n chores, and now he wants to know the minimum time he needs to do everything. Bobby cannot do two chores simultaneously.
For example, given that:
k = 2, x = 2 and a = [4, 6, 7, 10]
The function should return 14
Since two chores, 7 and 10, can be done in 2 units of time, thus 2+2+4+6 = 14
