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26/01/2018

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Babulal Mali Senior Web Developer at Techradius Hitech Pvt. Ltd. (OPC) Techradius Hitech Pvt. Ltd. (OPC) MCA Jaipur National university, Jaipur, Rajasthan, India Summary Being a 24/7 hardworking pr…

25/01/2018

वतन हमारा ऐसे ना छोड़ पाए कोई,
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हिन्दुस्तान हमारा है हम है इसकी शान…
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20/01/2018

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16/12/2017

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07/12/2017

Laravel is a powerful MVC PHP framework, designed for developers who need a simple and elegant toolkit to create full-featured web applications. Laravel was created by Taylor Otwell. This is a brief tutorial that explains the basics of Laravel framework.
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27/10/2017

Maximum Positive Frequency Selection (100 Marks)

Suppose John has been given a task of monitoring a radio which is jumping to a random frequency on an hourly basis. John has to find the maximum positive frequency difference of that radio in at most two selections. Before understanding, how John is going to do it, let s understand what is positive frequency difference?

Suppose radio is tuned to 91 MHz of frequency then to 98 MHz and then to 95 MHz. In this case, tuning from 91 MHz to 98 MHz is positive frequency difference and tuning to 98 MHz to 95 MHz is negative frequency difference.

In first tuning: Df = f2 f1 = (98 MHz) (91 MHz) = 7 MHz [Positive Frequency difference]
In second tuning: Df = f2 - f1 = (95 MHz) (98 MHz) = - 3 MHz [Negative frequency difference]

Next thing to understand, what is positive complete selection?
A complete selection is picking a frequency and dropping it, in case of above example, one selection can be picking 91 MHz and dropping that to 98 MHz and this will be a positive frequency selection.

Write a program that will help john in finding maximum frequency difference in at most two selections.
To have maximum frequency difference with at most two selections. John has to select first 2 Mhz [@ 10 AM] and has to drop it to 30 MHz [@ 11 AM] and in second selection, he has to pick at 8 MHz [@ 2 PM] and will drop it to 80 MHz [@ 4 PM].

In first selection, he will have positive frequency difference of 28 MHz and in second selection he will have 72 MHz, Making a total of 100 MHz of positive frequency selection which is maximum for above sample space. Also note that there can be one, two or even no selection which depends upon sample input.

Input Specifications:
An integer array of N elements, having frequency fluctuations
where 1

19/10/2017

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25/08/2017

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