Constructors and array of object in C++

Question

I'm trying to create an application in C++. In the application I have the default constructor and another constructor with 3 arguments. The user is providing from the keyboard an integer that it will be used to create an array of objects using the non default constructor. Unfortunately I haven't been able to finish it till now, since I'm having issues with the creation of the array of objects that they will use the non default constructor. Any suggestions or help?

#include<iostream>
#include<cstring>
#include<cstdlib>
#include <sstream>

using namespace std;

class Station{

public:
    Station();
    Station(int c, char *ad, float a[]);    
    ~Station(); 


    void setAddress(char * addr){

        char* a;
        a = (char *)(malloc(sizeof(addr+1)));
        strcpy(a,addr);
        this->address = a;
    }

    void setCode(int c){
        code=c; 
    }

    char getAddress(){
        return *address;
    }

    int  getCode(){
        return code;
    }


    float getTotalAmount(){
        float totalAmount=0;
        for(int i=0;i<4;i++){
            totalAmount+=amount[i];
        }
        return totalAmount;
    }

    void print(){

        cout<<"Code:"<<code<<endl;
        cout<<"Address:"<<address<<endl;
        cout<<"Total Amount:"<<getTotalAmount()<<endl;
        cout<<endl;
    }


private:
    int code;
    char *address;
    float amount[4];

};


Station::Station(){
    code= 1;
    setAddress("NO ADDRESS GIVEN");
    amount[0]= 0.0;
    amount[1]= 0.0;
    amount[2]= 0.0;
    amount[3]= 0.0;

}


Station::Station(int c, char *ad, float a[]){

    if( (c>=1&& c<=10 ) ){
        code=c;
        address=ad;

        for(int i=0;i<4;i++){
            amount[i]=a[i]; 
        }   

    }else{

        code= 1;

        setAddress("NO ADDRESS GIVEN");
        amount[0]= 0.0;
        amount[1]= 0.0;
        amount[2]= 0.0;
        amount[3]= 0.0;
    }   
}   


Station::~Station(){

}

int main(){

    int size,code;
    char *addrr;
    addrr = (char *)(malloc(sizeof(addrr+1)));
    float mes[4];

    do{ 
        cout<<"size of array:";
        cin>>size;

    }while(size<=0 || size>=11);

    //  Station *stations= new Station[size];
    //  Station** stations = new Station*[size];
    Station stations[size];

    for(int i=0;i<size;i++){

        cout<<"code:";
        cin>>code;

        cout<<"address:";
        cin>>addrr;

        double amo=0;

        for(int k=0;k<4;k++){
            cout<<"values"<<k+1<<":";
            cin>>mes[k]; 
        }
    }
    /*
    for(int q=0;q<size;q++){
        stations[q].print();
    }
    */

    return 0;
}

the values that I'll take from cin I want to assign them to the objects of the array!

Answer 1

You can either create the array default-initialized and then fill the array with the wanted object:

foo arr[10];
std::fill(arr, arr+10, foo(some, params));

Alternatively you could use std::vector and do just:

std::vector<foo> arr(10, foo(some, params));