C++ Code Examples: Arithmetic Mean, Sum, Product, Square

Arithmetic Mean

The following C++ code calculates the arithmetic mean of numbers from 1 to n:

int main() {
    int n;
    double suma = 0;
    cout << "Vnesi broj: ";
    cin >> n;
    if (n <= 0) {
        cout << "Brojot na elementi mora da bide pogolem od 0!" << endl;
        return 1;  
    }
    for (int i = 1; i <= n; i++) {
        suma += i;  
    }
    double sredina = suma / n;
    cout << "Aritmetichkata sredina na broevite od 1 do " << n << " e: " << sredina << endl;
    return 0;
}

Sum

The following C++ code calculates the sum of numbers from 1 to n:

int main() {
    int n, sum = 0;
    cout << "Vnesi broj n: ";
    cin >> n;
    for (int i = 1; i <= n; i++) {
        sum += i;
    }
    cout << "Sumata e: " << sum << endl;
    return 0;
}

Product

The following C++ code calculates the product of numbers from 1 to n:

int main()
{
    int n, sum=1;
    cout<<"Vnesi n"<>n;
    for (int i=1; i<=n; i++ )
    {
        sum*=i;
    }
    cout<

Square

The following C++ code calculates x to the power of n:

int main() {
    double x, rezultat = 1;
    int n;
    cout << "Vnesi x: ";
    cin >> x;
    cout << "Vnesi n: ";
    cin >> n;
    for (int i = 1; i <= n; i++) {
        rezultat *= x;
    }
    cout << "Stepenot x^n e: " << rezultat << endl;
    return 0;
}