Employee Database

#include <stdio.h>
#include <string.h>

struct Employee
{
    int id;
    char name[20];
    int salary;
    struct Date
    {
        int dd,mm,yyyy;
    }d;
}emp[50];

void swap(int *a,int *b)
{
    int temp;
    temp=*a;
    *a=*b;
    *b=temp;
}

int main()
{
    int n;
    int i,j;
    char t[20];

    printf("Enter the number of Employees:-\n");
    scanf("%d",&n);
    for(i=0;i<n;i++)
    {
        printf("\nEmployee No %d:-\n",(i+1));
        printf("Enter ID, Name, Salary and Date Of Joining(dd mm yyyy):-\n");
                                scanf("%d%s%d%d%d%d",&emp[i].id,emp[i].name,&emp[i].salary,&emp[i].d.dd,&emp[i].d.mm,&emp[i].d.yyyy);
    }

    //Sorting
    for(i=0;i<(n-1);i++)
    {
        for(j=0;j<(n-1);j++)
        {
            if(emp[j].salary<emp[j+1].salary)
            {
                swap(&emp[j].salary,&emp[j+1].salary);
                swap(&emp[j].id,&emp[j+1].id);
                swap(&emp[j].d.dd,&emp[j+1].d.dd);
                swap(&emp[j].d.mm,&emp[j+1].d.mm);
                swap(&emp[j].d.yyyy,&emp[j+1].d.yyyy);

                strcpy(t,emp[j].name);
                strcpy(emp[j].name,emp[j+1].name);
                strcpy(emp[j+1].name,t);
            }
        }
    }

    printf("\nID\tName\tSalary\tDay\tMonth\tYear\n");
    for(i=0;i<n;i++)
    {
        printf("\n%d\t%s\t%d\t%d\t%d\t%d",emp[i].id,emp[i].name,emp[i].salary,emp[i].d.dd,emp[i].d.mm,emp[i].d.yyyy);
    }
}
//Output
//Enter the number of Employees:-
//2

//Employee No 1:-
//Enter ID, Name, Salary and Date Of Joining(dd mm yyyy):-
//323
//Shail
//60000
//10
//12
//2009

//Employee No 2:-
//Enter ID, Name, Salary and Date Of Joining(dd mm yyyy):-
//453
//Rahul
//40000
//4
//5
//2012

//ID      Name    Salary  Day     Month   Year

//323     Shail   60000   10      12      2009