C Programming Tutorial

 
 
 
 

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#include <iostream.h>
#include <iomanip.h>
#include <conio.h>
#include <string.h>

//GLOBAL DECLARATION OF STRUCTURE
struct date
{
int year,month,day;
};

struct person
{
int recno;
char name[20];
date dob;          //using date structure as datatype
int salary;
};

void line(void);    //Global Declaration of function as it is called in another function other than main.


void main()
{
void starting(void);
void sorting(struct person[],int);
void display(struct person[]);
void end(void);
person rec[5];            //Declaration of person datatype

starting();

textcolor(111);
textbackground(196);
clrscr();
 cout<<\"\\n\\n\"<<setw(48)<<\"RECORD INFORMATION\";
//for inserting records
cout<<\"\\n\\n\\n\\n\\tEnter 5 Records\\n\\n\\n\\n\";
for(int i=0,c=1;i<5;i++)
{

    cout<<\"Information for Record No. \"<<c<<endl;
    c++;
    line();
    cout<<\"\\n\\nEnter Record Number:-\";
   cin>>rec[i].recno;
    cout<<\"Enter Name :-\";
   cin>>rec[i].name;
   cout<<\"\\nFOR Birth_Date\\n\";
   cout<<\"--------------\\n\";
   cout<<\"Enter Year:-\";
   cin>>rec[i].dob.year;
   cout<<\"Enter Month:-\";
   cin>>rec[i].dob.month;
   cout<<\"Enter Day:-\";
   cin>>rec[i].dob.day;
   cout<<\"\\nEnter salary:-\";
   cin>>rec[i].salary;
   line();
   cout<<endl<<endl;
}

clrscr();
display(rec);
clrscr();
cout<<endl<<endl;
int choice;
do
{
cout<<endl<<endl;
cout<<\"\\n\\nWhat Operation Would you Like to Perform\\n\";
cout<<\"1)    sort by Record Number\\n\";
cout<<\"2)    sort by Name\\n\";
cout<<\"3)    sort by Date\\n\";
cout<<\"4)    sort by Salary\\n\";
cout<<\"5)    DISPLAYING\\n\";
cout<<\"6)    QUIT\\n\";
cout<<\"Enter Your Choice:-\";
cin>>choice;
    switch(choice)
    {
    case     1:
    case     2:
    case     3:
   case    4:sorting(rec,choice);
                break;
    case     5:display(rec);
            break;
   case    6:goto out;
    default:cout<<\"Entered Choice is Invalid, Try Again\";
    }
   getch();
   clrscr();
}while(1);
out:
}


//sorting  function
void sorting(struct person rec[],int choice)
{
 struct person tempq;

        //record Number wise Sorting
      if(choice==1)
      {
    for(int i=0;i<5;i++)
     {
        for(int j=i+1;j<5;j++)
        {
        if(rec[i].recno > rec[j].recno)
           {
        tempq        =    rec[i];
           rec[i]    =    rec[j];
           rec[j]    =    tempq;
           }
        }
     }
      }


   //namewise sorting

    if(choice==2)
   {
    for(int i=0;i<5;i++)
      {
    for(int j=i+1;j<5;j++)
     {
        if(strcmp(rec[i].name,rec[j].name)>0)
        {
           tempq                  =  rec[i];
           rec[i]                =  rec[j];
           rec[j]              =  tempq;
           }
     }
      }
    }

    //datewise
   if(choice==3)
   {
    for(int i=0;i<5;i++)
   {
    for(int j=i+1;j<5;j++)
      {
            if(rec[i].dob.year > rec[j].dob.year)
        {
        tempq                  =  rec[i];
           rec[i]                =  rec[j];
           rec[j]              =  tempq;

           if(rec[i].dob.month > rec[j].dob.month)
        {
          tempq                =   rec[i];
          rec[i]            =     rec[j];
          rec[j]            =   tempq;

            if(rec[i].dob.day > rec[j].dob.day)
            {
            tempq                    =    rec[i];
            rec[i]                =  rec[j];
            rec[j]                =  tempq;
            }

          }
           }
     }
      }
     }


     //for salary wise

     if(choice==4)
     {
        for(int i=0;i<5;i++)
    {
        for(int j=i+1;j<5;j++)
    {
    if(rec[i].salary > rec[j].salary)
     {
             tempq            =   rec[i];
         rec[i]           =     rec[j];
        rec[j]        =   tempq;
     }
      }
   }
  }

}



//display function
void display(struct person rec[])
{
textcolor(106);
textbackground(104);
clrscr();
cout<<endl<<endl<<endl;
line();
cout<<setw(10)<<\"Record No.\"<<setw(25)<<\"NAME OF PERON\"<<setw(20)<<\"DATE OF BIRTH\"<<setw(23)<<\"SALARY AT PRESENT\"<<endl;
line();
for(int i=0;i<5;i++)
{
cout<<endl;
cout<<setw(6)<<rec[i].recno;
cout<<setw(27)<<rec[i].name;
cout<<setw(15)<<rec[i].dob.day<<\"\\\\\"<<rec[i].dob.month<<\"\\\\\"<<rec[i].dob.year;
cout<<setw(15)<<rec[i].salary;
cout<<endl;
}
getch();
}


//Line function
void line(void)
{
    for(int i=0;i<40;i++)
    {
        cout<<\"--\";
    }
   cout<<endl;
}


//Starting function
void starting(void)
{
 //START OF programer details\\ textcolor(105);
 textbackground(104);
clrscr();
cout<<endl;
cout<<\"|\";
for(int i=0;i<39;i++)
{
        cout<<\"--\";
}
cout<<\"|\";

cout<<\" \";
for(int j=0;j<32;j++)
    cout<<\"=\";

cout<<\"Syntax-Example\";

for(int k=0;k<33;k++)
    cout<<\"=\";

cout<<endl;

cout<<\"|\";
for(int p=0;p<39;p++)
{
        cout<<\"--\";
}
cout<<\"|\";
cout<<endl<<endl<<endl;
line();
cout<<setw(49)<<\"WELLCOME VIEWERS\\n\";
line();
cout<<setw(55)<<\"SAMPLE DATABASE APPLICATION\\n\\n\";
line();
line();
cout<<setw(79)<<\"Created for Synatx-Example site.\\n\\n\";

getch();

//END OF PROGRAMMER DETAILS\\    }