Ultima aparitie element in vector

#include <iostream>
#include <iomanip> // 3.2131234 -> 3.21
#include <cmath>  // abs()
using namespace std;

int findIndex(int vector[], int vector_size, int searched_value, unsigned int times)
{
    int counter = 0;
    int index = -1;

    for (int i = 0; i < vector_size; i++)
    {
        if (vector[i] == searched_value)
        {
            counter++;
            if (counter == times)
            {
                index = i;
            }
        }
    }

    return index;
}

int main() {

    int vec[] = {10, 10, 30, 40, 10, 60, 90, 80, 90};
    int vec_size = sizeof(vec) / sizeof(vec[0]);
    int searched_value = 0;
    unsigned int times = 0;

    cout << "What value are you looking for: ";
    cin >> searched_value;

    cout << "How many times do you want to find it: ";
    cin >> times;

    int result = findIndex(vec, vec_size, searched_value, times);

    if (result == -1)
    {
        cout << "Searched element is not found or it doesn't appear " << times << " times.";
        exit(1);
    }
    else {
        cout << "Element " << searched_value << " was found at index " << result << ".";
    }

    return 0;
}