X

DAYS

:

HOUR

:

MINS

:

SEC

Copied to Clipboard
Ticket sellers
Easy Accuracy: 40.71% Submissions: 1139 Points: 2

There are N ticket sellers where the ith ticket seller has A[i] tickets.

The price of a ticket is the number of tickets remaining with the ticket seller. They are allowed to sell at most K tickets. Find the maximum amount they can earn by selling K tickets.

The amount of tickets of each seller is provided in array A. Give the answer modulo 109 + 7.

Example 1:

Input: N = 5, K = 3
A = {4, 3, 6, 2, 4}
Output: 15
Explaination: Consider 0 based indexing. 
For first two turns the 2nd seller sells. 
For the third turn either 0th or 2nd 
seller can sell. So the total becomes 
6 + 5 + 4 = 15.

Example 2:

Input: N = 6, K = 2
A = {5, 3, 5, 2, 4, 4}
Output: 10
Explaination: The turns are taken by 
0th and 2nd seller. 5 + 5 = 10 is the 
maximum amount.

Your Task:
You do not need to take input or print anything. Your task is to complete the function maxAmount() which takes N, K, and the array A as input parameters and returns the maximum amount they can get by selling K tickets.

Expected Time Complexity: O(N)
Expected Auxiliary Space: O(N)

Constraints:
1 ≤ N ≤ 105
1 ≤ A[i], K ≤ 106

We are replacing the old Disqus forum with the new Discussions section given below.
Click here to view old Disqus comments.


to report an issue on this page.

Editorial

We strongly recommend solving this problem on your own before viewing its editorial. Do you still want to view the editorial?

Yes

All Submissions

My Submissions:

Login to access your submissions.

Ticket sellers

Output Window