What is this code written for?

#1

sir, i am not able to understand the question can you plz help me giving a brief on it

#2

a function is given to you which do something in the array and return a value

you have to do same thing but in efficient way

the given code run in O(n^2) but you have to find some optimized approach for doing same task

#3

thank you, i got it sir

#4

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