a)Write a small piece of code that defines a vector of integers V with 100 elements and then initializes it so that element V[i] contains the square of i. You only need to write the definitions and the for loop. b)Write a small program that reads from the standard input one line at a time until the end of file. Every line contains a single integer number (use atoi to extract the number). The program prints the sum of all these numbers. You do not need to write any functions. A simple main program is enough.

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Operations of vector class

The vector class is available in Java and C++ programming languages. It is a class implementing a dynamic array. A dynamic array is an array whose size automatically increases when an element is added to it. The vector class stores elements in a contiguous memory block and assigns the memory to the elements whenever required during execution.