C++ stl quiz 2 :(Q3. Vector STL#3)

#1

how the program will take o(n^2) ???

#2

hello @Vijay-Gwala-1537851266358174
assuming vector is defined as vector< int > v
its time complexity will be O(n^2).
because total n calls wiil be there and on every call vector get copied to new vector which is O(n) for each call . therefore O(n^2) for n calls

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#3

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