Write a function SwapVectorEnds() that swaps the first and last elements of its vector parameter. Ex: sortVector = {10, 20, 30, 40} becomes {40, 20, 30, 10}. #include #include using namespace std; /* Your solution goes here  */ int main() {    vector sortVector(4);    unsigned int i;    int userNum;    for (i = 0; i < sortVector.size(); ++i) {       cin >> userNum;       sortVector.at(i) = userNum;    }    SwapVectorEnds(sortVector);    for (i = 0; i < sortVector.size(); ++i) {       cout << sortVector.at(i) << " ";    }    cout << endl;    return 0; }

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A: Introduction

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Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.