I WANT TO KNOW THE DETAILS OF SPECIFIC ART OF CODE

problem - minimize-the-maximum-difference-between-the-heights/ from gekks for geeks {i cannot send link its not allowed here sosearch the above name of problem you will find the question}

, link o f solution solution,https://ide.codingblocks.com/s/335453

please dry run this code by taking input k=10 and array =
{ 2 4 6 8 }

please send me a proper dry run of this code , with this example actually i mention the part of code which i am not able to understand , even i know what is happening there but still not able to solve this array, please solve this with the help of dry run , please send me a solved answer on pen paper, with a tricky example not easy one , i want a example in which my last if else condition come in role to update big and small, so please send me a dry run pick, DRY RUN PICK WITH A EXAMPLE WHICH INCLUDE THE LAST IF ELSE CONDITION WHICH I ALREADY MENTIONED IN MY SOLUTION,

Please summarize what you want to be done.
Also all links are allowed

Also you have tagged the spiral print question for this doubt which is not a part of this doubt