#include <iostream>
#include <string>

using namespace std;

struct Pyramid // structura na obiknovena piramida
{
float B;//лице на околната повърхнина
float V;// obem na piramidata
float h;// viso4ina na float b;//основен ръб(страната на основата на пирамидата)float a;//основен ръб(страната на основата на пирамидата)
};

float PyramidFrontViewBase(float a, float b)
{
return  a * b;// presmqta liceto na osnovata B na piramida
}
float PyramidVolume(float B, float h){return (B*h) / 3;//presmqta obemyt na piramidata
}
short int MinimalVolume(Pyramid masiv[])
{
float minimalVolume = masiv[0].V;// zapazva obemyt na pyrvata piramida
short int index = 0;

for (int i = 0; i < 3; i++)
{
if (minimalVolume > masiv[i].V)// proverqva koq piramida e s nai-malyk obem
{
minimalVolume = masiv[i].V;
index = i;
}
}
return index; // vryshta nomeryt na piramidata s nai - malyk obem
}

struct Prism
{
float h;// viso4ina na prizmata
float b;//основен ръб(страната на основата на prizmata)
float a;//основен ръб(страната на основата на prizmata)
};

int main()
{
Pyramid pyramids[3];// masiv ot obekti ot tip piramida
float VolumePyramidArray[3]; // masiv ot obemite na piramidi
Prism prisms[3]; // masiv ot obekti ot tip prizma

for (int i = 0; i < 3; i++)
{
std::cout << "Pyramid number [# " << i + 1 << "]"<< endl;
std::cout << "Vyvedi strana na osnovata [a]: ";
std::cin >> pyramids[i].a;
std::cout << "Vyvedi strana na osnovata [b]: ";
std::cin >> pyramids[i].b;
std::cout << "Vyvedi Visochina na piramidata [h]: ";
std::cin >> pyramids[i].h;

std::cout << endl;

pyramids[i].B = PyramidFrontViewBase(pyramids[i].a, pyramids[i].b);// iz4islqva liceto na osnova na tekushtata piramida
pyramids[i].V = PyramidVolume(pyramids[i].B, pyramids[i].h);// iz4islqva obema na tekushtata  piramida
VolumePyramidArray[i] = pyramids[i].V;// zapazva se obemyt na piramidata v masiv ot obemite na piramidi

prisms[i].a = pyramids[i].a;// definirane na strana a na prizmata
prisms[i].b = pyramids[i].b;// definirane na strana b na prizmata
prisms[i].h = pyramids[i].h;// definirane na visochina h na prizmata
}
short int index = MinimalVolume(pyramids);//proverq koq piramida ima nai malyk obem parametyr e masivyt ot piramidi
std::cout << endl;std::cout << "Pyramid with lowest Volume is [#" << index + 1 << "]" << endl;// index+1 za da se polu4i nagledno nomerirane

std::cout << endl;
for (int i = 0; i < 3; i++)
{
std::cout << "Pyramid number [# " << i + 1 << "]" << endl;
std::cout << "Obem na piramidata " << VolumePyramidArray[i] << endl << endl;	// izvejda obemite na piramidite podred
}

std::cout << endl;

for (int i = 0; i < 3; i++)
std::cout << "Prism number [# " << i + 1 << "]" << endl;
std::cout << "strana [a] na prizmata: " << prisms[i].a << endl;
std::cout << "strana [b] na prizmata: " << prisms[i].b << endl;
std::cout << "strana [h] na prizmata: " << prisms[i].h << endl << endl;
									}

system("pause");
return 0;
	}