Operations on Arrays in Data Structures: Traversal, Insertion, Deletion and Searching

In this video we will see various operations you can perform on arrays. Insertion, deletion, traversal and searching are some of the operations you can perform on arrays. Lets find out how to implement these operations in code!

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[CodeWithHarry]

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[arey.atharva]

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[shatviksmit]

17:40
Best case -> The best case will be if we get the last index to delete. In that case, we would not have to shift anything the time taken will be a kn^0, where k is the time required to delete the item at the last index eliminating the constant we get O(1).

Worst case -> The worst case will be if we get the item at the zeroth element to delete. In that case, we would have to shift the entire members of array hence the formula will be kn, where k is the time required to delete the item at the first index, eliminating the constant we get O(n).

[studyshadow]

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[siddhantgoyal]

deletion in array: Best Case: O(1), Worst Case: O(n)

[sanjaymajumder]

17:50 Best Case O(1) : When element is to be deleted from last index of the array.
Worst Case O(size of the array) : When we have to delete the 1st (0th) index element from the array.

[uzairtalagang]

serving the humainity is very good quality of someone.
Harry bhai thank you so much for making environment to seek programming efficiently, easily.

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Bro keep going, I expect everything to be explained in very detail so that I don't need to do any course from anywhere.

[striveforperfection]

• Best Case deletion:- (Deleting the last element of the array)
Time Complexity: O(1)
• Worst Case deletion:-( Deleting the 0th index element or any element between other elements)
Time Complexity: O(n)
(Where n is the number of elements in the array)

[subhashdixit]

Thanku Harry Bhai for explaining everything specially time complexity.I am watching all your videos .

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[aishwarya]

Me in my online classes:"vae kuch samjh ni aaa raha "
Then suddenly your notifications of array operations Thanks bruh✌✌

[dewtech]

Nice Harry ! Plz try to make videos related to complex algo/programming like "Assembly Line Scheduling", "0-1 Knapsack Problem" etc.

[fvckxyu]

Thanks alot for your time and energy to explain these concept in such a easy way may God bless you

[sohaibirfan]

Thank you so much i always found array operations to be hard, thank you very much for the revision

[Shubham-jzec]

Bhai ki mehnat ke liye ek like aur ek comment per person to banta hi h 👍. Thank u Harry bhai

[pratikkarale]

17:55
if the element that has to be deleted is at the the lastmost position, then the complexity would be O(1)
otherwise it would be O(n)

[ayonsamajder]

Your lecture is too good for us.. Love from Kolkata

[animeboii-zvvo]

Best case of deletion and Best case of insertion is the same.
and thank you sir for providing us with such free and best content

[editocon]

17:44
Best case ..O(1) : when an element is deleted from the last index in array.
Worst Case ...O(n): when an element is deleted from the first index in an array.