//**************************************
//this test is interested to constructor 
//inizialized and not, used for array
//inizialized and dynamic allocation
//***************************************

#include <iostream>
using namespace std;

//---------------------------------------
class power{
	int value;
public:
	power(int i){value=i;}
	power(){}
	void setPower(int y){value=y;}
	int show(){cout<<value<<" ";}
};

//+++++++++++++++++++++++++++++++++++++++
int powe[10];

//----------------------------------------
void managePower(int y){
	int a=y;
	for (int i=0;i<10;i++){
		powe[i]=y;
		y=y+a;
	}
}
//======================================
int main(){
	power two[10]={2,4,6,8,10,12,14,16,18,20};
	int i;
	for (i=0;i<10;i++) two[i].show();
	power three[10];
	managePower(3);
	for(i=0;i<10;i++) three[i].setPower(powe[i]);
	for (int i=0;i<10;i++) three[i].show();
	power *p;
	try{
		p=new power[10];
	}catch(bad_alloc xa){
		cout<<"allocation error\n";
		return 1;
	}
	managePower(4);
	for (i=0;i<10;i++) {
		p->setPower(powe[i]);
		p->show();
	}
	return 0;
}