1-3

#include <iostream>

using namespace std;
struct distance1{
    int meter;
    int centimeter; };
struct Volume {
    distance1 length;
    distance1 width;
    distance1 height; };

int main()
{
    Volume volume;
    cout << "Enter parameters"<< '\n' << "Length: ";
    cin >> volume.length.meter;
    cin >> volume.length.centimeter;
    cout << "Width ";
    cin >> volume.width.meter;
    cin >> volume.width.centimeter;
    cout << "Height ";
    cin >> volume.height.meter;
    cin >> volume.height.centimeter;
    float Volume;
    Volume = (volume.length.meter + volume.length.centimeter) * (volume.width.meter + volume.width.centimeter) * (volume.height.meter + volume.height.centimeter);
    cout <<"Your room volume: "<< Volume;
    return 0;
}