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 *buf = new int[n];
    int avg = 0;
    for (int i = 0; i < n; i++) {
        std::cin >> buf[i];
        avg += buf[i];
    }
    std::cout << avg / n;

    delete [] buf;
    return 0;
}