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- #include <iostream>
- using namespace std;
- class Krug {
- private:
- float radius;
- const float pi=3.14;
- public:
- Krug (){
- //cout<<"Konstruktor"<<endl;
- }
- Krug (float radius){
- this->radius=radius;
- }
- ~Krug(){
- //cout<<"Destruktor"<<endl;
- }
- float perimetar (){
- return 2*radius*pi;
- }
- float plostina (){
- return radius*radius*pi;
- }
- int ednakvi (){
- if (plostina()==perimetar()){
- return 1;
- }
- else return 0;
- }
- };
- int main() {
- float r;
- cin >> r;
- Krug k(r);
- //instanciraj objekt od klasata Krug cij radius e vrednosta procitana od tastatura
- cout << k.perimetar() << endl;
- cout << k.plostina() << endl;
- cout << k.ednakvi() <<endl;
- Krug k1(10);
- //instanciraj objekt od klasata Krug cij radius ne e definiran
- return 0;
- }
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