THMMY.gr

mach *get_machine(float P, mach **pt) {
	int num, i, ProdTemp=0, pos=0, flag=0;
	num = mach::get_num();
	for (i=0; i<num; i++) {
		if (pt[i]->get_power()<=P) {
			flag = 1;
			if (pt[i]->get_production()>ProdTemp) {
				ProdTemp = pt[i]->get_production();
				pos = i;
			}
		}
	}
	if (!flag) {
		cout << "\nΗ παρεχόμενη ισχύς δεν επαρκεί για τη λειτουργία κανενός τύπου μηχανής\n";
		exit(1);
	}
	else {
		return pt[pos];
	}
}

template <class circuit_type> void resistant(int M, circuit_type *c, float &R_t, int &p)
{
    int i;
    float R_temp=0, R_min;

    switch(M)
    {
        case 1:

            for(i=0;i<sizeof(c);i++) R_t+=c[i].get_R_total();
            break;

        case 2:

            for(i=0;i<sizeof(c);i++)
            {
                R_temp+=1/c[i].get_R_total();
                R_t=1/R_temp;
            }
            break;

        case 3:

            R_min=c[0].get_R_total();
            p=0;

            for(i=1;i<sizeof(c);i++)
                if(c[i].get_R_total()<R_min)
                {
                    R_min=c[i].get_R_total();
                    p=i;
                }
            break;
    }
}

int main()
{
    int p;
    float R_total=0;

    circuit1 c1[5];
    circuit2 c2[10];

    resistant(1, c1, R_total, p);
    cout<<"H synolikh antistash pou prokyptei an ola ta kyklwmata tou typou circuit1 syndethoun se seira, tha isoutai me "<<R_total<<"\n";

    resistant(1, c2, R_total, p);
    cout<<"H synolikh antistash pou prokyptei an ola ta kyklwmata tou typou circuit2 syndethoun se seira, tha isoutai me "<<R_total<<"\n";

    resistant(2, c1, R_total, p);
    cout<<"H synolikh antistash pou prokyptei an ola ta kyklwmata tou typou circuit1 syndethoun parallhla, tha isoutai me "<<R_total<<"\n";

    resistant(2, c2, R_total, p);
    cout<<"H synolikh antistash pou prokyptei an ola ta kyklwmata tou typou circuit2 syndethoun parallhla, tha isoutai me "<<R_total<<"\n";

    resistant(3, c1, R_total, p);
    cout<<"H thesh tou pinaka sthn opoia einai kataxwrhmeno to kyklwma typou circuit1 me th mikroterh antistash, einai h thesh "<<p<<"\n";

    resistant(3, c2, R_total, p);
    cout<<"H thesh tou pinaka sthn opoia einai kataxwrhmeno to kyklwma typou circuit2 me th mikroterh antistash, einai h thesh "<<p<<"\n";

    return 0;
}

#include <iostream>
#include <cmath>
using namespace std;



template <class TYPE, int SIZE>
class vol_wei
{
    TYPE T[SIZE];
    float W,V;

public:
    vol_wei(){W=0;V=0;}
    void calculate_weight();
    void calculate_volume();


};

template <class TYPE, int SIZE>
void vol_wei<TYPE,SIZE>::calculate_weight()
{
    for (int i=0; i<SIZE; i++)
		W+=T[i].get_w();


	cout << "Total weight is: " <<W<<endl;
}


template <class TYPE, int SIZE>
void vol_wei<TYPE,SIZE>::calculate_volume()
{
    for (int i=0; i<SIZE; i++)
		V+=T[i].get_v();


	cout << "Total volume is: " <<V<<endl;
}




class sphere
{
    float r,d;
public:
    sphere(){cout<<"Enter radius and density of sphere: "; cin>>r>>d;};
    float get_v(){return (4*3,14*pow(r,3))/3;}
    float get_w(){return d*((4*3,14*pow(r,3))/3);}
};


class paralle
{
    float a,b,c,d;
public:
    paralle(){cout<<"Enter dimensions and density of paralle: "; cin>>a>>b>>c>>d;};
    float get_v(){return a*b*c;}
    float get_w(){return d*a*b*c;}
};


int main()
{
    int choice;

    cout<<"Enter 1 for sphere or 2 for paralle: "<<endl;
    cin>>choice;

    if(choice==1)
    {
        cout<<"Creating 5 spheres..."<<endl;
        vol_wei <sphere,5> S;
        S.calculate_volume();
        S.calculate_weight();
    }
    else if(choice==2)
    {
        cout<<"Creating 7 paralles..."<<endl;
        vol_wei <paralle,7> P;
        P.calculate_volume();
        P.calculate_weight();
    }
    else
        cout<<"Invalid input!"<<endl;

    return 0;
}

#include<iostream>
using namespace std;
class A
{
  public:
    static float a[4];
    static int n,i;
    static float s;
    static int get_n() { return sizeof a/ sizeof a[2]; }
    operator float();
};
float A::a[] = {1,2,3,4};
int A::n = A::get_n();
float A::s;
int A::i;
A::operator float()
{
    this->a[2] = (int)s%2;
    for(i=0;i<n;++i) s+=a[i];
    return s;
}
class B: public A
{
    public:
    operator float();
};
B::operator float()
{
    (*this).a[3] = (int) s%10;
    for(i=0;i<n;++i) s+=a[i];
    return s;
}
int main()
{
    A a;
    B b, c;
    a.a[0] = b.a[1] = c;
    cout <<c<<"\n";
    cout << b<<"\n";
    cout << a+b <<"\n";
    cout << b+c <<"\n";
    return 0;
}