Oba kolosy na 4 zrobione

#include <iostream>
#include <fstream>

using namespace std;

/*class K1{
string* p1;
public:
    K1():p1(new string [2]){
    p1[0]="Nie podano";
    p1[1]="nie Podano";
    }
    K1(const string& a,const string& b):p1(new string [2]){
    p1[0]=a;
    p1[1]=b;
    }
    K1(const K1& obj):p1(new string [2]){
    p1[0]=obj.p1[0];
    p1[1]=obj.p1[1];
    }
    ~K1() {delete [] p1;}
    friend ostream& operator <<(ostream& out, const K1& obj);

    string& operator [](int id){
    return p1[id];
    }

    K1 operator =(const K1& obj){// DO ZAPAMIĘTANIA
    p1=new string [2];
    p1[0]=obj.p1[0];
    p1[1]=obj.p1[1];
    return *this;
    };
};
ostream& operator <<(ostream& out, const K1& obj){
return out<<obj.p1[0]<<"| |"<<obj.p1[1]<<"| |";
}

class K2{
  K1 p1;
  double p2;
  public:
    K2():p1(),p2(0){};
    K2(const string& a,const string& b,double c):p1(a,b),p2(c){};
    K2(const K2& obj):p1(obj.p1),p2(obj.p2){};
    friend ostream& operator <<(ostream& out, const K2& obj);
    K2 operator =(const K2& obj){
    p1=obj.p1;
    p2=obj.p2;
    return *this;
    }
    friend K2 operator -(const K2& obj,double val);
    friend istream& operator>>(istream& in,K2& obj);

    void operator +=(const int & val){
      this->p2+=val;
    }
};

ostream& operator <<(ostream& out, const K2& obj){
return out<<obj.p1<<"| |"<<obj.p2<<"| |";
}

istream& operator>>(istream& in,K2& obj){
in>>obj.p1[0];
in>>obj.p1[1];
in>>obj.p2;
return in;
}

K2 operator -(const K2& obj,const double val){// DO ZAPAMIĘTANIA
K2 newObj=K2(obj);

newObj.p2-=val;
return newObj;
}



int main()
{
    K2 ob1,ob2;
    const K2 * wsk1= new K2("kawa","z mlekiem",4.50);
    const K2 ob3(*wsk1);
    delete wsk1;
    wsk1=0;

    const K2 * wsk2 = new K2(ob3);
    ob2=*wsk2;
    cout<< ob1<<endl<<*wsk2;
    delete wsk2;
    wsk2=0;
    cout<<ob2;
    cout<<endl<<ob2-1.25;

    K2 txt[4];

    ifstream plik("dane.txt");
    for(int i=0;i<4;i++){
        plik>>txt[i];
    }
    plik.close();

    for(int i=0;i<4;i++){
            txt[i]+=1;
        cout<<txt[i];
    }
    return 0;
}*/






class K1{
string* p1;
public:
    K1():p1(new string){
    *p1="Nie podano";
    };
    K1(const string& a):p1(new string){
    *p1=a;}
    K1(const K1& obj){
    p1=new string;
    *p1=obj.p1[0];
    }
    K1 operator=(const K1& obj){
    p1=new string;
    *p1=obj.p1[0];
    return *this;
    }
friend ostream& operator<<(ostream& out,const K1& obj);
~K1(){delete p1;}
    };
ostream& operator<<(ostream& out,const K1& obj){
return out<<obj.p1[0];
}

class K2{
K1 txt[2];
int w1;

public:
    K2(){
    txt[0];
    txt[1];
    w1=0;
    }
    K2(const string& a,const string& b,int c):w1(c){
    txt[0]=a;
    txt[1]=b;
    };
    K2(const K2& obj){
    txt[0]=obj.txt[0];
    txt[1]=obj.txt[1];
    w1=obj.w1;
    }
    friend istream& operator>>(istream& in,K2& obj);
    friend ostream& operator<<(ostream& out,const K2& obj);
    friend K2 operator +(const K2& obj,const int& val);
    K2 operator =(const K2& obj){
    txt[0]=obj.txt[0];
    txt[1]=obj.txt[1];
    w1=obj.w1;
    }

    void operator+=(const int& val){
    this->w1+=val;
    }
};

K2 operator +(const K2& obj,const int& val){
K2 newObj=obj;

newObj.w1+=val;
return newObj;
}

ostream& operator<<(ostream& out,const K2& obj){
return out<<obj.txt[0]<<" "<<obj.txt[1]<<" "<<obj.w1;
}
istream& operator>>(istream& in,K2& obj){
string a,b;
in>>a;
obj.txt[0]=a;
in>>b;
obj.txt[1]=b;
in>>obj.w1;
return in;
}

    int main(){
   K2 ob1,ob2;
   const K2 * wsk1 = new K2("Ala","Koala",15);
   const K2 ob3(*wsk1);
   delete wsk1;
   wsk1=0;

   const K2 *wsk2 = new K2(ob3);
   ob2=*wsk2;
   delete wsk2;
   wsk2=0;

   cout<<ob2;
   cout<<ob2+10;
K2 tab[4];
ifstream plik("data.txt");
for(int i=0;i<4;i++){
    plik>>tab[i];
}
plik.close();

for(int i=0;i<4;i++){
        tab[i]+=1;
    cout<<tab[i]<<endl;
}
    return 0;}