Stuck in a problem.

Правка en2, от beginner_610, 2020-05-15 23:41:42

This problem was asked in online round to my friend.I am not able to get how to approach the problem using which technique, if someone could help me?, Thanks.

Problem:

****Alice has decided to publish X different comic books.**** ****For this Purpose , He has Y printing machines and Z binding machines.**** ****The ith printing machine takes print[i] minutes to print all pages of a comic book. Each binding machine takes K minutes to bind all the pages of a comic book.** ****At a single point of time ,each machine(a printing or a binding) can process at most the pages of a single comic book.** ****For publishing comic books , these steps have to be followed.** ****1. An unoccupied printing machine i starts printing the pages of a comic book.** ****2. After print[i] minutes , the printed pages are taken out of the ith printing machine.** ****3. After non-negative amount of time , the printed pages of comic book are placed in an unoccupied binding machine.** ****4. After K minutes, the pages are taken out of the binding machine.**

****Assume that the time is negligible for placing the pages into or removing from the machines.** ****You need to help alice , find out the minimum time in order to publish X comics.**

Input:

1.first line consists of the no of testcases. 2.Second line consists of X,Y,Z,K. 3.Y space separted integers which denote the printing time print[i] of ith printing machine.

OUTPUT:

For each test case , print the minimum time to publish all X comics. Constraints: 1<=t<=10 1<=X<=10^6 1<=Y<=10^5 1<=Z<=10^9 1<=K<=10^9 1<=print[i]<=10^9

Sample Test Cases: input: 3 2 1 1 34 1100 2 3 2 10 10 16 1 3 2 2 5 5 7

output: 2234 12 15

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en4 Английский beginner_610 2020-05-15 23:45:02 34
en3 Английский beginner_610 2020-05-15 23:43:59 30
en2 Английский beginner_610 2020-05-15 23:41:42 11 Tiny change: 'o publish to publish ' -> 'o publish '
en1 Английский beginner_610 2020-05-15 23:41:07 1786 Initial revision (published)