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(int i=0;i<n;i++){
        std::cin>>buffer[i];
        avg+=buffer[i];

    }
    avg=static_cast<int>(avg/n);
    std::cout<<avg;
    delete[] buffer;


    return 0;
}