Minimum and Maximum

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During his pre-school entrance exam, Alex, an ordered isomorph from Planet Linear Chaos, was tasked with finding the minimum and maximum values in an array. As you may remember (or not), the only thing that people on this planet do is sort and compare. Alex was able to do it. Can you?

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John Doe

Level 18 , london, England

28 December 2019, 11:27

I don't understand why the verification doesn't pass

R3fiX

Level 12 , Tarnow, Poland

5 October 2019, 10:18

Can somebody explain what is the meaning of capital letters X and Y in Pair class?

Corina Bodea

Level 14 , Cluj Napoca, Romania

10 April 2020, 16:12

They are called generics. Here's a link about that: https://www.geeksforgeeks.org/generics-in-java/

Nirali Rawal

Level 15 , Hopewell, United States

2 October 2019, 18:41

Is there a better way of writing this code? I feel like the for loop that was used twice could be simplified. Just not exactly sure how.

R3fiX

Level 12 , Tarnow, Poland

5 October 2019, 10:20

You can establish max and min at once in one for loop, that's the only simplification I can come up with

Switch/Cypher

Level 25 , Bexleyheath, United Kingdom

22 September 2020, 07:33

I copied the values into a new array, then just did Arrays.sort. That's simpler?

Vitalina

Level 20 , Poland

31 October 2020, 22:36

It is simpler but then you'll modify array. And the task says you cannot do it.

Switch/Cypher

Level 25 , Bexleyheath, United Kingdom

1 November 2020, 11:09

I'm only modifying the new array though.

Vitalina

Level 20 , Poland

1 November 2020, 15:38

I've tried to do it as well but Codegym didn't accept it.

Andrei

Level 41

23 November 2020, 08:56

Yes, you can use two IF's in one for loop , for the min and max!

Khongpak Phupkdee

Level 15 , Chiangrai, Thailand

24 July 2021, 14:40

Thank you

Hiyo Full Stack Developer

1 February, 12:10

Loop over array once, find min and max values at the same time. Assign them to the pair at the end. O(n) speed, O(1) memory ( 2 int variables used regardless of array size )

Learner

Level 16 , India

29 September 2018, 05:33

Something not right with this task. There is no change in main method and yet it fails stating "Don't change the main method".

Roman

Level 41

1 October 2018, 05:44

Some students change this method so we warn.

Learner

Level 16 , India

1 October 2018, 06:06

It is not verifying because of that.