Industrial workshop units

#include <iostream>
#include <fstream>
#include <stdlib.h>

#define N 20
#define M 10

using namespace std;

class repair{
private:
	int date;
	int amount;
	int t[M*3];
public:
	repair(){
		date=101;
		amount=0;
		for (int i = 0; i < M*3; ++i)
		{
		    t[i]=0;
		}
	};

	repair(int in_date,int in_amount,int in_t[]){
		date=in_date;
		amount=in_amount;
		for (int i = 0; i < M*3; ++i)
		{
			t[i]=in_t[i];
		}
	}

	int get_date(){return date;};
	int get_month(){return date%100;};
	int get_t(int i){return t[i];};
	void print()
	{
		cout<<endl<<"date,  amount"<<endl;
		cout<<date<<" "<<amount<<" "<<endl;
		cout<<"***array***"<<endl;
		for (int i = 0; i < M*3; ++i)
		{
			cout<<t[i];
			if ((i>0)&&(i%3==0))
			{
				cout<<endl;
			}
		}
	};
};// end class

// inheritance
class new_repair : public repair{
private:
	int   tt[M*3];
public:
	new_repair():repair()
	{
		for (int i = 0; i < M*3; ++i)
		{
			tt[i]=0;
        }
	}
    new_repair(int in_date,int in_amount,int in_t[],int in_tt[]):repair(in_date,in_amount,in_t)
    {
        for (int i = 0; i < M*3; ++i)
        {
        	tt[i]=in_tt[i];
        }
    }
    void print2()
	{
		for (int i = 0; i < M*3; i+=3)
		{
			cout<<tt[i]<<"  "<<tt[i+1]<<"  "<<tt[i+2]<<"  "<<endl;
		}
	}
};

int main()
{
	repair a[N];
	new_repair b[N];

	int in_date,in_amount,in_t[3*M],time[20]={0},sum_time[120]={0},in_tt[3*M],k,count   ;

// IF YOU WANT TO CREATE RANDOM INPUT NUMBERS

cout<<"default"<<endl<<endl;
    for (int i = 0; i < N; ++i)
    {
    	a[i]=repair();
    	a[i].print();
    }

cout<<endl<<endl;
cout<<"setting"<<endl<<endl;
    for (int i = 0; i < N; ++i)
    {
    	in_date=rand()%12+1;
    	in_date+=rand()%3000+1;
    	in_amount=rand()%10;
    	for (int j = 0; j < M*3; j+=3)
    	{
    		in_t[j]=rand()%10+1;
    	    in_t[j+1]=rand()%20+1;
    	    in_t[j+2]=rand()%300+1;
    	}
        a[i]=repair(in_date,in_amount,in_t);
        cout<<endl<<endl;
        a[i].print();
    }
    

// IF YOU WANT TO OPEN FILE
 /*ifstream fg;
 fg.open("C:\service.txt");
  if(!fg)
    {
 	    cout<<"the file could not open"<<endl;
 	    exit(1);
     }
 else
 {
 	k=0;
 	while(!fg.eof())
 	{
 		fg>>in_date>>in_amount;
 		count++;
 		for (int i = 0; i < M; ++i)
 		{
 			fg>>in_t[i];
 		}
 		if (k<N)
 		{
 			a[k]=repair(in_date,in_amount,in_t);
 			k++;
 		}
 	    else
 	    {
	    	cout<<endl;
 	    	cout<<"the records overflow the array"<<endl;
 		}
 		cout<<"the overflow lines="<<count;
 	}
 }
*/

// ERWTIMA 3a
for (int i = 0; i < N; ++i)
{
	for (int j = 2; j < M*3; j+=3)
	{
		time[a[i].get_t(j-1)]+=a[i].get_t(j);
    }
}

cout<<endl<<endl;
cout<<"***************time***************"<<endl;
cout<<endl;

for (int i = 0; i < 20; ++i)
{
	cout<<time[i]<<endl;
}

// erwtima 3b
for (int i = 0; i < N; ++i)
{
	for (int j = 0; j < M*3; j+=3)
	{
	sum_time[a[i].get_month()-1+a[i].get_t(j)-1]+=a[i].get_t(j+2);
	}
}

cout<<endl<<endl;
cout<< "sum of working time"<<endl;
cout<<endl<<endl;

for (int i = 0; i < 120; ++i)
{
    cout<<sum_time[i]<<"  ";
    if((i>0) && (i%9==0))
    cout<<endl;
}

cout<<endl<<endl;
// erwtima 4a
cout<<"default inheritance"<<endl<<endl;
for (int i = 0; i < N; ++i)
{
	b[i]=new_repair();
	b[i].print();
}

cout<<endl<<endl;
//4c
cout<<"setting inheritance"<<endl<<endl;
for (int j = 0; j < N; ++j)
{
	for (int i = 0; i < 3*M; ++i)
	{
		in_tt[i]=rand()%50+1;
	}
   b[j]=new_repair(in_date,in_amount,in_t,in_tt);
   b[j].print2();
}
	return 0;
}