Вычисление произведения чисел больше 15

#include <iostream>
using namespace std;
int main()
{
    int n, sum = 0;
    do
    {
        cin >> n;
        if (n > 10 && n < 25)
            sum += n;
    } while (n != 0);
    cout << "Sum = " << sum;
}

#include <iostream>
using namespace std;
int main()
{
    int n, sum = 0, mult = 1, min = 0;
    do
    {
        cin >> n;
        if (n > 10 && n < 25) sum += n;
        if (n > 15) mult *= n;
        if (n < min) min = n;
    } while (n);
    cout << "Sum = " << sum << "; Mult = " << mult << "; Min = " << min;
}

#include <iostream>
#include <limits.h>
 
int main()
{
    int n, sum = 0, mult = 1, min = INT_MAX;
    do {
        std::cout << "Enter number (0 for end): ";
        std::cin >> n;
        if((n > 10) && (n < 25)) sum += n;
        if(n > 15) mult *= n;
        min = (n < min) && (n) ? n : min;   
    } while(n);
    std::cout << "Sum = " << sum << std::endl;
    std::cout << "Mult = " << mult << std::endl;
    std::cout << "Minimum = " << min << std::endl;
}

#include <iostream>
using namespace std;
int main()
{
    int n, sum=0, pr=1, min, counter=0;
    do {
        cout << " n = "; cin >> n;
        if (counter == 0) min = n;
        if (n > 10 && n < 25) sum+= n;
        if (n > 15) pr*= n;
        if (min > n && n != 0) min = n;
        counter++;
    } while (n != 0);
    if (sum > 0) cout << "sum = " << sum << endl;
    if (pr > 1) cout <<  "pr = " << pr << endl;
    cout << "min = " << min << endl;
    system("pause");
    return 0;
}