Zadanie 1.1

#include <iostream>

using namespace std;

void Ball(double r,double *S,double *V){
    double pi=3.14;
    *S=4*pi*r*r;
    *V=pi*r*r*r/3;
}

int main()
{
    double r,S,V;
    for(int i=0;i<3;i++){
        cout<<"Podaj r: ";
        cin>>r;
        Ball(r,&S,&V);
        cout<<S<<" , "<<V<<endl;

    }

    return 0;
}


Zadanie 1.2

#include <iostream>

using namespace std;

void Cube(double a,double *S,double *V){
    double pi=3.14;
    *S=6*a*a;
    *V=a*a*a;
}

int main()
{
    double a,S,V;
    for(int i=0;i<4;i++){
        cout<<"Podaj a: ";
        cin>>a;
        Cube(a,&S,&V);
        cout<<S<<" , "<<V<<endl;

    }

    return 0;
}


Zadanie 1.3

#include <iostream>
#include <math.h>

using namespace std;

void Cone(double r,double h,double *S,double *V){
    double pi=3.14;
    *S=pi*r*(r+sqrt(r*r+h*h));
    *V=pi*r*r*h/3;
}

int main()
{
    double r,h,S,V;
    for(int i=0;i<2;i++){
        cin>>r>>h;
        Cone(r,h,&S,&V);
        cout<<S<<" , "<<V<<endl;
    }

    return 0;
}



Zadanie 1.4

#include <iostream>
#include <math.h>

using namespace std;

void Cylinder(double r,double h,double *S,double *V){
    double pi=3.14;
    *S=2*pi*r*(r+h);
    *V=pi*r*r*h;
}

int main()
{
    double r,h,S,V;
    for(int i=0;i<5;i++){
        cin>>r>>h;
        Cylinder(r,h,&S,&V);
        cout<<S<<" , "<<V<<endl;

    }

    return 0;
}


Zadanie 2.1

#include <iostream>
#include <math.h>

using namespace std;

double fun1(double x){
    double rez;
    rez=cos(x)+sin(x);
    return rez;
}

int main()
{

    double x,rez;
    for(int i=0;i<5;i++){
        cin>>x;
        rez=fun1(x);
        cout<<rez<<endl;
    }
    return 0;
}


Zadanie 2.2

#include <iostream>
#include <math.h>

using namespace std;

double fun2(double x){
    double rez;
    rez=(exp(x)-exp(-1))/2;
    return rez;
}

int main()
{

    double x,rez;
    for(int i=0;i<3;i++){
        cin>>x;
        rez=fun2(x);
        cout<<rez<<endl;
    }
    return 0;
}

Zadanie 2.3

#include <iostream>
#include <math.h>

using namespace std;

double fun3(double x){
    double rez;
    rez=2*(cos(x)*cos(x)-1);
    return rez;
}

int main()
{

    double x,rez;
    for(int i=0;i<4;i++){
        cin>>x;
        rez=fun3(x);
        cout<<rez<<endl;
    }
    return 0;
}

Zadanie 2.4

#include <iostream>
#include <math.h>

using namespace std;

double fun4(double x){
    double rez;
    rez=(1+2*x*x)*exp(x*x);
    return rez;
}

int main()
{

    double x,rez;
    for(int i=0;i<2;i++){
        cin>>x;
        rez=fun4(x);
        cout<<rez<<endl;
    }
    return 0;
}

Zadanie 3

#include <iostream>

using namespace std;

int main()
{
    int n;
    double h,a=2.2,sum=a;
    cin>>n;
    h=2.4-2.2;
    for(int i=2;i<=n;i++){
        a+=h;
        sum+=a;
    }
    cout<<a<<" , "<<sum;

    return 0;
}


Zadanie 4

#include <iostream>

using namespace std;

int main()
{
    int n,a,m=0;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a;
        if(a>0 && a%2==0){
            m++;
        }
    }
    cout<<m;

    return 0;
}

Zadanie 5

#include <iostream>

using namespace std;

int main()
{
   int a,max = -1000;
    do{
        cin>>a;
        if(a<0 && a>max){
            max=a;
        }
    }while(a!=0);
    cout<<max;

    return 0;
}