Sorting Jenis Kelamin

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

struct {
char nama[20];
char nim[20];
int tgl,bln,thn;
int jk;
float ipk;}data[20];



void main(){

  int j,i,n,temp,pilih,umur[100000],bill[20],uur[20];
  char lagi;
  float bil[20];

    cout<<"Jumlah Mahasiswa : ";cin>>n;
    clrscr();
    for(i=1;i<=n;i++){
    cout<<"Mahasiswa ke "<<i;
    cout<<"\nNama\t\t = ";cin>>data[i].nama;
    cout<<"\tJenis Kelamin";
    cout<<"\n1. Laki-laki";
    cout<<"\n2. Perempuan";
    cout<<"\nPilih : ";cin>>data[i].jk; bill[i]=data[i].jk;
    clrscr();}

 for(i=1;i<=n;i++){
  if(data[i].jk%2==0){
 cout<<"\nnama \t: "<<data[i].nama;
 cout<<"\nNIM \t: "<<data[i].nim;
 cout<<"\nTanggal \t: "<<data[i].tgl<<"-"<<data[i].bln<<"-"<<data[i].thn;
 cout<<"\nJenis Kelamin \t: Perempuan";
 cout<<"\nipk \t: "<<data[i].ipk;
 cout<<endl; } }

  for(i=1;i<=n;i++){
  if(data[i].jk%2==1){
 cout<<"\nnama \t: "<<data[i].nama;
 cout<<"\nNIM \t: "<<data[i].nim;
 cout<<"\nTanggal \t: "<<data[i].tgl<<"-"<<data[i].bln<<"-"<<data[i].thn;
 cout<<"\nJenis Kelamin \t: Laki-laki";
 cout<<"\nipk \t: "<<data[i].ipk;
 cout<<endl; } }


getch();}