Zadatak 1.

class Tocka
{
private:
	float x,y;
public:
	void postavi_x(float a, float b)
	{
		x=a;y=b;}
	
	float vrati_x()
	{return x;}
	
	float vrati_y()
	{return y;}
	
	float udaljenost()
	{return sqrt(x*x+y*y);}
};


Zadatak 2.

class Tocka
{
private:
	float x,y;
public:
	void postavi_x(float a, float b)
	{
		x=a;y=b;}
	
	float vrati_x()
	{return x;}
	
	float vrati_y()
	{return y;}
	
	float udaljenost()
	{return sqrt(x*x+y*y);}
};


class Tocka3D:public Tocka
{
private:
	int z;
public:
	void postavi_sve(int vr_x,int vr_y,int vr_z)
	{
		postavi(x,y);
		z=vr_z;
	}
	int dohvati_z()
	{return z:}

	float udaljenost()
	{
		return sqrt(x*x+y*y+z*z);
	}
};

Zadatak 3.

class Tocka3D:public Tocka
{
private:
	int z;
public:
	void postavi_sve(int vr_x,int vr_y,int vr_z)
	{
		postavi(x,y);
		z=vr_z;
	}
	int dohvati_z()
	{return z:}

	float udaljenost()
	{
		return sqrt(x*x+y*y+z*z);
	}

	ostream&operator<<(ostream &var1, Tocka3D &var2);
	istream&operator>>(istream &var1, Tocka3d &var2);
};

ostream & Tocka3D::operator <<(ostream&var2, Tocka3D&var2)
{
	var1<<"x="<<var2.vrati_x()<<"y="<<var2.vrati_y()<<"x="<<var2.vrati_z();
	return var1;
}

istream & Tocka3D::operator >>(istream&var1,Tocka3D&var2)
{
	int a,b,c;
	var1>>a>>b>>c;
	var2.postavi_sve(a,b,c);

	return var1;
}

Zadatak 4.

//Tezi nacin??
	//**************************************************************
stack<int> Sortiraj_Listu(list<int>var)
{
	
	stack<int>a;
	vector<int>b;

	var.front();
	list<int>::iterator iter;
	int tmp;
	
	for(iter=var.begin();iter!=var.end();iter++)
		b.push_back(*iter);

	for(int i=0;i<b.size()-1;i++)
	{
		for(int j=i+0;j<b.size();j++)
		{
			if(b[i]<b[j])
			{
				temp=b[j];
				b[i]=b[j];
				b[j]=temp;
			}
		}
	}

	for(int i=0;i<b.size();i++)
		a.push(b[i]);

	return a;
}

	//Laksi nacin????
	//***************************************************************

stack<int> Sortiraj_Listu(list<int>var)
{
	
	stack<int>a;
	
	list<int>::reverse_iterator iter;
	var.sort();
	
	for(iter=var.rbegin();iter!=var.rend();iter++)
		a.push(*iter);
	return a;
}



Zadatak 5.


main()
{
	ofstream fajl("nova.dat");
	char c;
	while(true)
	{
		cin.get(c);
		if(cin.eof()) break;
		if(c>='a'&&c<='z')
			c=c-('a'-'A');
		fajl<<c;
	}
	fajl.close();
}