Hospital management
#include<iostream.h>
#include<conio.h>
#include<process.h>
class all
{
private: struct address { int house; char street[30]; char city[30]; char state[30]; char country[30]; }; struct age { int day; int month; int year; }; struct patient_info { char name[50]; address AD1; //nested structure implemented age A1; //nested structure inplemented int martial_status; int reg_no; int bld_group; int sex; }PI[100]; int task; protected: void enter_patient_info(); void show_patient_detail(); public: void software_detail(); void tasks(); char answer; char answer1; char ch; int serial;
};

class date
{
private: int date; int month; int year; public: void enter_date(); void show_date();
};

class dob
{
private: struct dob1 { int date; int month; int year; int rem; }DOB11[100]; public: void enter_date(); void show_date();
};

int i=0; int rem; int count; int regis; int attempt; int temp; int show_count=0;

all A1; //object declared date D1; //object declared dob DOB1; //object declared

void main()
{
count=0; cout<<"Welcome to..."<<"
";
cout<<"

***HOSPITAL MANAGEMENT SOFTWARE***"<<"
";
cout<<" By Mustafizur Rohman "<<"
";
D1.enter_date(); A1.tasks();
}

void all::tasks()
{
attempt=0; D1.show_date(); cout<<"

***HOSPITAL MANAGEMENT SOFTWARE***"<<"
";
cout<<" By Mustafizur Rohman "<<"
";
cout<<" **Hospital Management Tasks**"<<"
";
cout<<" *****************************"<<"
";
cout<<"

Please select a task to do...."<<"
";
cout<<"

1. Enter a new patient information ."<<"
";
cout<<"2. View detail of existing patient ."<<"
";
cout<<"3. View detail about the program ."<<"
";
cout<<"4. Exit from the program ."<<"
";
//other function remain cout<<"

Enter your task serail :"<<"
";
cin>>task; switch(task) { case 1:{ A1.enter_patient_info(); break; } case 2:{ A1.show_patient_detail(); break; } case 3:{ A1.software_detail(); break; } case 4:{ clrscr(); cout<<"

Thank You for trying this program !!!"<<"
";
cout<<" This is the end of program...."<<"
";
cout<<"

Press any key to exit....."<<"
";
getch(); exit(0); break; } default:{ clrscr(); cout<<"
Invalid task serial ."<<"
";
cout<<"Press any key to continue...."<<"
";
getch(); clrscr(); A1.tasks(); } }
}

void all::enter_patient_info()
{
clrscr(); answer='y'; if(count==0) { serial=1; } else { i=serial; } for(i=serial;answer=='y'||answer=='Y';i++) { PI[i].reg_no=i; temp=serial; cout<<"

***ENTERING INFORMATION FOR PATIENT SERIAL NUMBER "<<i<<"***"<<"
";
cin.get(ch); cout<<"
Registration Number : "<<PI[i].reg_no<<"

"; cout<<"Enter the name of patient :"<<"
";
clreol(); cin.getline(PI[i].name,50); cout<<"Sex (1-Male 2-Female) :"<<"
";
clreol(); cin>>PI[i].sex; while(PI[i].sex!=1&&PI[i].sex!=2) { cout<<"Invalid input for sex of patient!!!"<<"
";
cout<<"Sex :"<<"
";
clreol(); cin>>PI[i].sex; } cout<<"
***ENTERING ADDRESS**"<<"

"; cout<<"House number :"<<"
";
clreol(); cin>>PI[i].AD1.house; while(PI[i].AD1.house<=0) { cout<<"Invalid input for house number ."<<"
";
cout<<"Again enter the house number ."<<"
";
clreol(); cin>>PI[i].AD1.house; } cin.get(ch); cout<<"Street :"<<"
";
clreol(); cin.getline(PI[i].AD1.street,30); cout<<"City :"<<"
";
clreol(); cin.getline(PI[i].AD1.city,30); cout<<"State :"<<"
";
clreol(); cin.getline(PI[i].AD1.state,30); cout<<"Country :"<<"
";
clreol(); cin.getline(PI[i].AD1.country,30); DOB1.enter_date(); //to calculate age cin.get(ch); cout<<"Martial status(1-Married,2-Not Married ):"<<"
";
if(count!=0) { clreol(); } cin>>PI[i].martial_status; while(PI[i].martial_status<1||PI[i].martial_status>2) { cout<<"Invalid input for martial status ."<<"
";
cout<<"Enter a valid martial status :"<<"
";
clreol(); cin>>PI[i].martial_status; } cin.get(ch); if(count!=0) { clreol(); } clreol(); cout<<"Blood group :"<<"
";
clreol(); cout<<"1. A+ "<<"
";
clreol(); cout<<"2. A- "<<"
";
clreol(); cout<<"3. B+ "<<"
";
clreol(); cout<<"4. B- "<<"
";
clreol(); cout<<"5. AB+ "<<"
";
clreol(); cout<<"6. AB- "<<"
";
clreol(); cout<<"7. O+ "<<"
";
clreol(); cout<<"8. O- "<<"
";
clreol(); cout<<"Enter :"<<"
";
clreol(); cin>>PI[i].bld_group; switch(PI[i].bld_group) { case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8:{ break; } default:{

while(PI[i].bld_group!=1&&PI[i].bld_group!=2&&PI[i].bld_group!=3&&

PI[i].bld_group!=4&&PI[i].bld_group!=5&&PI[i].bld_group!=6&& PI[i].bld_group!=7&&PI[i].bld_group!=8) { clreol(); cout<<"Invalid input !"<<"
";
cout<<"Blood Group :"<<"
";
clreol(); cin>>PI[i].bld_group; } break; } } cin.get(ch); cout<<"
Want to enter information for another patient ? "<<"
";
clreol(); cin>>answer; count++; serial++; } clrscr(); A1.tasks();
}

void dob::enter_date()
{
clreol(); cout<<"

Date of birth"<<"
";
clreol(); cout<<"
Year :"; clreol(); clreol(); cin>>DOB11[temp].year; if(DOB11[temp].year<=0||DOB11[temp].year>10000) { do { clreol(); cout<<"Invalid input for year !"<<"
";
cout<<"Please enter the year correctly :"<<"
";
cin>>DOB11[temp].year; }while(DOB11[temp].year<0||DOB11[temp].year>10000); } clreol(); cout<<"Month :"; clreol(); cin>>DOB11[temp].month; if(DOB11[temp].month<=0||DOB11[temp].month>12) { do { clreol(); cout<<"Invalid input for month !"<<"
";
cout<<"Again enter the month :"<<"
";
clreol(); if(count!=0) { clreol(); } cin>>DOB11[temp].month; }while(DOB11[temp].month<0||DOB11[temp].month>12); } cout<<"Date :"; clreol(); switch(DOB11[temp].month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12:{ cin>>DOB11[temp].date; while(DOB11[temp].date<1||DOB11[temp].date>31) { clreol(); cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
clreol(); cin>>DOB11[temp].date; } break; } case 2:{ cin>>DOB11[temp].date; if(DOB11[temp].year%4==0) { while(DOB11[temp].date<0||DOB11[temp].date>29)
//for leap year { clreol(); cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
clreol(); cin>>DOB11[temp].date; } } else { while(DOB11[temp].date<0||DOB11[temp].date>28)
//for non-leap year { clreol(); cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
clreol(); cin>>DOB11[temp].date; } } break; } default:{ cin>>DOB11[temp].date; while(DOB11[temp].date<1||DOB11[temp].date>30) { clreol(); cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
clreol(); cin>>DOB11[temp].date; } break; } } //end of switch clreol();
}

void date::enter_date()
{
cout<<"

First of all I need the current date ..."<<"
";
cout<<"
Year :"; cin>>year; if(year<=0||year>10000) { do { cout<<"Invalid input for year !"<<"
";
cout<<"Please enter the year correctly :"<<"
";
cin>>year; }while(year<0||year>10000); } cout<<"Month :"; cin>>month; if(month<=0||month>12) { do { cout<<"Invalid input for month !"<<"
";
cout<<"Again enter the month :"<<"
";
cin>>month; }while(month<0||month>12); } cout<<"Date :"; switch(month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12:{ cin>>date; while(date<1||date>31) { cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
cin>>date; } break; } case 2:{ cin>>date; if(year%4==0) { while(date<0||date>29) //for leap year { cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
cin>>date; } } else { while(date<0||date>28) //for non-leap year { cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
cin>>date; } } break; } default:{ cin>>date; while(date<1||date>30) { cout<<"Invalid date !"<<"
";
cout<<"Again enter the date :"<<"
";
cin>>date; } break; } } //end of switch
}

void date::show_date() //remove the goto ststements in this function
{
clrscr(); cout<<"Hello.... It's "; cout<<date; rem=date%10; switch(date) { case 11: case 12: case 13: case 14: case 15: case 16: case 17: case 18: case 19: case 20:{ cout<<"th "; goto over; } } switch(rem) { case 1:{ cout<<"st "; break; } case 2:{ cout<<"nd "; break; } case 3:{ cout<<"rd "; break; } default:{ cout<<"th "; break; } } over: switch(month) { case 1:{ cout<<"January , "; break; } case 2:{ cout<<"February , "; break; } case 3:{ cout<<"March , "; break; } case 4:{ cout<<"April , "; break; } case 5:{ cout<<"May , "; break; } case 6:{ cout<<"June , "; break; } case 7:{ cout<<"July , "; break; } case 8:{ cout<<"August , "; break; } case 9:{ cout<<"September , "; break; } case 10:{ cout<<"October , "; break; }

case 11:{ cout<<"November , "; break; } case 12:{ cout<<"December , "; break; } } cout<<year<<"
";
}

void all::show_patient_detail()
{
do { clrscr(); cout<<"

Enter registration number :"<<"
";
clreol(); cin>>regis; cin.get(ch); show_count++; if(regis>0&®is<serial) { clreol(); cout<<" ***INFORMATION FOR PATIENT REGISTRATION NUMBER"<<regis<<"***

"; clreol(); cout<<"Name : "<<PI[regis].name<<"
";
clreol(); cout<<"Sex : "; clreol(); if(PI[regis].sex==1) { cout<<"Male "<<"
";
clreol(); } if(PI[regis].sex==2) { cout<<"Female "<<"
";
clreol(); } cout<<"Blood Group : "; clreol(); switch(PI[regis].bld_group) { case 1:{ clreol(); cout<<"A+
";
break; } case 2:{ clreol(); cout<<"A-
";
break; } case 3:{ clreol(); cout<<"B+
";
break; } case 4:{ clreol(); cout<<"B-
";
break; } case 5:{ clreol(); cout<<"AB+
";
break; } case 6:{ clreol(); cout<<"AB-
";
break; } case 7:{ clreol(); cout<<"O+
";
break; } case 8:{ clreol(); cout<<"O-
";
break; } } clreol(); cout<<"Date of birth : "; clreol(); DOB1.show_date(); cout<<"Martial Status : "; clreol(); if(PI[i].martial_status==1) { cout<<"Married "<<"
";
clreol(); } else { cout<<"Not married "<<"
";
clreol(); } clreol(); cout<<" **ADDRESS**"<<"
";
clreol(); cout<<"
House no. : "<<PI[regis].AD1.house; clreol(); cout<<"
Street : "<<PI[regis].AD1.street; clreol(); cout<<"
City : "<<PI[regis].AD1.city; clreol(); cout<<"
State : "<<PI[regis].AD1.state; clreol(); cout<<"
Country : "<<PI[regis].AD1.country; clreol(); } else { if(regis==1) { cout<<"
Database is empty !!!"<<"
";
cout<<"Press any key to exit to main task menu..."<<"
";
getch(); clrscr(); A1.tasks(); } attempt++; if(attempt==3) { cout<<"
You have entered wrong registration number 3 times
."<<"
"; cout<<"Access Denied!!! "<<"
";
cout<<"Please try again later. "<<"
";
cout<<"Press any key to exit to main task menu..."<<"
";
getch(); clrscr(); A1.tasks(); } clreol(); cout<<"

Sorry, the registration number is invalid ."<<"
";
cout<<"Press any key to continue...."<<"
";
getch(); clreol(); A1.show_patient_detail(); } clreol(); cout<<"

Want to see information of another patient :"<<"
";
clreol(); cin>>answer1; }while(answer1=='y'||answer1=='Y'); clreol(); clrscr(); A1.tasks();
}

void dob::show_date()
{
cout<<DOB11[regis].date; rem=DOB11[regis].date%10; switch(DOB11[regis].date) { case 11: case 12: case 13: case 14: case 15: case 16: case 17: case 18: case 19: case 20:{ cout<<"th "; goto over; } } switch(rem) { case 1:{ cout<<"st "; break; } case 2:{ cout<<"nd "; break; } case 3:{ cout<<"rd "; break; } default:{ cout<<"th "; break; } } over: switch(DOB11[regis].month) { case 1:{ cout<<"January , "; break; } case 2:{ cout<<"February , "; break; } case 3:{ cout<<"March , "; break; } case 4:{ cout<<"April , "; break; } case 5:{ cout<<"May , "; break; } case 6:{ cout<<"June , "; break; } case 7:{ cout<<"July , "; break; } case 8:{ cout<<"August , "; break; } case 9:{ cout<<"September , "; break; } case 10:{ cout<<"October , "; break; }

case 11:{ cout<<"November , "; break; } case 12:{ cout<<"December , "; break; } } cout<<DOB11[regis].year<<"
";
}

void all::software_detail()
{
clrscr(); cout<<"

***SOFTWARE DETAILS***
";
cout<<"

Developer : Mustafizur Rohman "<<"
";
cout<<" Programming Language : C++ "<<"
";
cout<<" Aim : Simulation of the software used in Hospital"<<"
";
cout<<" Hope you like it..."<<"
";
cout<<"

Send your comments to : mustafizur_04@sify.com ."<<"
";
cout<<"

Thank You for trying this program. "<<"
";
cout<<"

Press any key to return to the main task menu......."<<"
";
getch(); A1.tasks();
}