Dynamic Sensor Buffer

#include <iostream>

int main() {
    int n;
    std::cin >> n;

    if (n < 1) {
        return 0;
    }

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

    return 0;
}

Solving Approach