Timetable.cpp

#include<iostream>
#include<string>
#include<time.h>
#include<stdlib.h>
using namespace std;
struct modules{
	string mod_no;
};
struct classes{
	string sub;
};
struct students{
	string name;
};
struct lecturers{
	string name;
	string sub[2]; //each teacher can teach a maximum of two subjects
};
struct rooms{
	string room_no;
	int capacity;
};
struct period
{
	int period_no;
	string mod;
	string sub;
	string lec;
	string time;
};
struct time_table
{
	string day;
	period p[3];
};

string assign_mod(string,int); //to assign which module to be taught in which period
void assign_days(); //to assign the day of time_table struct
void generate(string); //to automate the generation of time table
void print_table(); // to print the time table

//initializing the structure arrays with values
struct modules m[8]={{"OOP1"},{"OOP2"},{"DBS1"},{"DBS2"},{"CSAL1"},{"CSAL2"},{"LAB1"},{"LAB2"}};
struct classes c[4]={{"Object Oriented Programmings"},{"Computer Science Activity Led"},{"Database system"},{"C++ Lab"}};
struct rooms r[4]={{"101",15},{"102",15},{"103",15},{"104",10}};
struct lecturers l[3]={{"Dr Simon Billing",{"CSAL"}},{"Mr David Croft",{"OOP","LAB"}},{"Ms Diana Hintea",{"DBS"}}};
struct time_table tt[5];

void generate(string maj)
{
	assign_days();
	time_t t1;
	srand((unsigned) time(&t1));
	for(int i=0;i<4;i++) //this loops assigns period no., subject, module of first four days
	{
		tt[i].p[0].period_no=1;
		tt[i].p[0].sub=maj;
		tt[i].p[1].period_no=2;
		tt[i].p[1].sub=c[(rand()%2)+1].sub;
		tt[i].p[2].sub=tt[i].p[1].sub;
		tt[i].p[2].period_no=3;
		while(tt[i].p[2].sub==tt[i].p[1].sub)
		{
			tt[i].p[2].sub=c[(rand()%2)+1].sub;
		}
		if(i%2==0)
		{
			tt[i].p[0].mod=m[0].mod_no;
		}
		else
			tt[i].p[0].mod=m[1].mod_no;
		
	}
	for(int i=0;i<2;i++)
	{
		tt[4].p[i].period_no=i+1;
		tt[4].p[i].sub=c[3].sub;
	}
	for(int i=0;i<5;i++) //to assign time
	{
		tt[i].p[0].time="7.30 am - 9.30 am";
		tt[i].p[1].time="10.00 am - 12.00 pm";
		tt[i].p[2].time="12.30 pm - 2.30 pm";
	}
	for(int i=0;i<5;i++) // to assign lecturer
	{
		if(i<4)
		{
			for(int j=1;j<3;j++)
			{
				tt[i].p[j].mod=assign_mod(tt[i].p[j].sub,i);
				for(int k=0;k<3;k++)
				{
					if(tt[i].p[j].mod.substr(0,3)==l[k].sub[0])
					{
						tt[i].p[j].lec=l[k].name;
					}
				}
			}
		}
		else
			for(int j=0;j<2;j++)
			{
				tt[i].p[j].mod=assign_mod(tt[i].p[j].sub,j);
				tt[i].p[j].lec=l[1].name;
			}
	}
}
string assign_mod(string subj,int i)
{
	if(subj==c[1].sub)
	{
		if(i%2==0)
			return m[4].mod_no;
		else
			return m[5].mod_no;	
	}
	if(subj==c[2].sub)
	{
		if(i%2==0)
			return m[2].mod_no;
		else
			return m[3].mod_no;	
	}
	if(subj==c[3].sub)
	{
		if(i%2==0)
			return m[6].mod_no;
		else
			return m[7].mod_no;	
	}
}
void assign_days()
{
	tt[0].day="Monday";
	tt[1].day="Tuesday";
	tt[2].day="Wednesday";
	tt[3].day="Thursday";
	tt[4].day="Friday";
}
void print_table()
{
	for(int i=0;i<5;i++)
	{
		cout<<tt[i].day<<"--->  ";
		for(int j=0;j<3;j++)
		{
			if(i==4&&j==2)
			{
				cout<<"  ";
			}
			else
			cout<<tt[i].p[j].time<<"    "<<tt[i].p[j].period_no<<"  "<<tt[i].p[j].sub<<"  "<<tt[i].p[j].mod<<"  "<<tt[i].p[j].lec<<"  |";
		}
		cout<<"\n--------------------------------------------------------------------------------------------------------------------------------------------------------------------\n";	
	}	
}
int main()  //driver 'main' function
{
	generate("Object Oriented Programmings");
	cout<<"The generated time table is printed below:\n\n";
	cout<<"***********************************************************************************************************************************************************************\n\n";
	cout<<"Day"<<"--->  "<<"Time"<<"     "<<"Period"<<"    "<<"Subject"<<"     "<<"Module"<<"     "<<"Lecturer"<<"     |";
	cout<<"Time"<<"     "<<"Period"<<"    "<<"Subject"<<"     "<<"Module"<<"     "<<"Lecturer"<<"     |";
	cout<<"Time"<<"     "<<"Period"<<"    "<<"Subject"<<"     "<<"Module"<<"     "<<"Lecturer"<<"     |\n\n";
	cout<<"************************************************************************************************************************************************************************\n\n";
	print_table();
	return 0;
}