Тръби в басейн C++

#include <iostream>

int main()
{
    using namespace std;

    int V, P1, P2;
    double H;

    cin >> V >> P1 >> P2 >> H;

    double V1 = P1 * H,
           V2 = P2 * H;

    if (V1 + V2 <= V)
    {
        int x = (int)((V1 + V2) * 100.0 / V),
            y = (int)(V1 * 100.0 / (V1 + V2)),
            z = (int)(V2 * 100.0 / (V1 + V2));
        cout << "The pool is " << x << "% full. Pipe 1: " << y << "%. Pipe 2: " << z << "%." << endl;
    }
    else
    {
        cout << "For " << H << " hours the pool overflows with ";
        cout.precision(1);
        cout << fixed << V1 + V2 - V << " liters." << endl;
    }

    return 0;
}