Write a c++ function, lastlargestindex that takes as parameters an int array and its size and returns the index of the last occurrence of the largest element in the array. also, write a program to test your function. this solution contains errors: #includeint largestindex(int list[], int listsize); int main(){int alpha[20]; cout < < "the index of the first occurrence of the largest element in the array is " < < largestindex(alpha,20) < < endl; return 0; }int largestindex(int list[], int listsize){int i; int minindex = 0; //assuming first element is the largestfor (counter = 1; counter < listsize; counter++)if (list[maxindex] < list[counter])maxindex = counter; return maxindex; }

#include <iostream>

using namespace std;

int largestIndex(int list[], int listSize);  

int main()  

{  

   int alpha[10] = { 3, 6, 2, 6, 4, 1, 0, 5, 4, 2 };

   cout << "The index of the last occurrence of the largest element in the array is " << largestIndex(alpha, 10) << endl;  

   return 0; }

int largestIndex(int list[], int listSize) {

   int largestIndex = 0;  

   for (int counter = 1; counter < listSize; counter++)

       if (list[counter] >= list[largestIndex])

           largestIndex = counter;

   return largestIndex;

}

Explanation:

The function keeps track of the index of the largest value and updates it when the same or a larger value is found.

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