Dynamic Sensor Buffer

#include <iostream>

int main() {
    int n;
    std::cin >> n;
    if (n < 1) {
        return 0;
    }
    // Write your dynamic buffer allocation code here
    int* buffer = new int[n];
    int avg = 0;
    for (size_t i = 0; i < n; ++i)
    {
        std::cin >> buffer[i];
        avg += buffer[i]; 
    }
    std::cout << avg / n; 
    delete[] buffer; 
    return 0;
}