program data menggunakan c++

#include <iostream.h>

#include <conio.h>

#include <string.h>

int i,j;

int nilMhs1[90],nilMhs2[90];

char nmMhs[90][10];

void garis(){

       cout<<"======================================"<<endl;

}

int inpNil(){

       cout<<"Masukkan Nilai UTS : ";

       cin>>nilMhs1[j];

       cout<<"Masukkan Nilai UAS : ";

       cin>>nilMhs2[j];

       j=j+1;

       return j;

}

char inpNama(){

       char nama[10];

       cout<<"Masukkan Nama Mahasiswa    : ";

       cin>>nama;

       strcpy(nmMhs[j],nama);

       j=inpNil();

       return 0;

}

void lihatData(){

       cout<<"Nama \tUTS "<<"\tUAS"<<endl;

       garis();

       for (i=0;i<j;i++){

              cout<<nmMhs[i]<<"\t"<<nilMhs1[i]<<"\t"<<nilMhs2[i]<<endl;

       }

}

void ratarata(){

       int rata[90];

       cout<<"Nama \tRata-rata"<<endl;

       garis();

       for (i=0;i<j;i++){

              rata[i]=(nilMhs1[i]+nilMhs2[i])/2;

              cout<<nmMhs[i]<<"\t"<<rata[i]<<endl;

       }

}

void hapusData(){

       int hps;

       cout<<"Hapus Data Mahasiswa "<<endl;

       garis();

       cout<<"Inputkan Index yang akan dihapus (>0) : ";

       cin>>hps;

       hps=hps-1;

       cout<<"Data dengan Index "<<(hps+1)<<" telah dihapus "<<nmMhs[hps]<<endl;

       for(i=hps;i<j;i++){

              strcpy(nmMhs[i],nmMhs[i+1]);

              nilMhs1[i]=nilMhs1[i+1];

              nilMhs2[i]=nilMhs2[i+1];

       }

       j=j-1;

}

void cariData(){

       char hrf;

       char bnt[10];

       int ct;

       ct=0;

       cout<<"Cari Data Mahasiswa"<<endl;

       garis();

       cout<<"Inputkan huruf awal : ";

       cin>>hrf;

       cout<<endl;

       for(i=0;i<j;i++){

              strcpy(bnt,nmMhs[i]);

              if(bnt[0]==hrf){

                     cout<<nmMhs[i]<<"\tIndeks Ke-"<<(i+1)<<endl;

                     ct+=1;

              }

       }

       if(ct==0){

                     cout<<"Data tidak ditemukan"<<endl;

       }

}

void updateData(){

       int inp,jaw;

       jaw=j;

       cout<<"Update Data Mahasiswa"<<endl;

       garis();

       cout<<"Inputkan Indeks : ";

       cin>>inp;

       j=inp-1;

       inpNama();

       cout<<"Data telah terupdate.."<<endl;

       j=jaw;

}

void dataLulus(){

       int rata[90];

       cout<<"Nama \tRata-rata \tLulus"<<endl;

       garis();

       for (i=0;i<j;i++){

              rata[i]=(nilMhs1[i]+nilMhs2[i])/2;

              cout<<nmMhs[i]<<"\t"<<rata[i];

              if (rata[i]<56){

                     cout<<"\t\tTidak Lulus"<<endl;

              }else{

                     cout<<"\t\tLulus"<<endl;

              }

       }

}

void main(){

int pil;

j=0;

do{

cout<<"Program Data Mahasiswa"<<endl;

garis();

cout<<"1. Input Data Mahasiswa"<<endl;

cout<<"2. Lihat Data Mahasiswa"<<endl;

cout<<"3. Lihat Nilai Rata-rata"<<endl;

cout<<"4. Hapus Data Mahasiswa "<<endl;

cout<<"5. Cari Data Mahasiswa "<<endl;

cout<<"6. Update Data Mahasiswa "<<endl;

cout<<"7. Lihat Kelulusan Mahasiswa "<<endl;

cout<<"8. Keluar "<<endl;

garis();

cout<<"Masukkan Pilihan anda = ";

cin>>pil;

garis();

switch(pil)

{

       case 1:

              inpNama();

              garis();

              break;

       case 2:

              lihatData();

              garis();

              break;

       case 3:

              ratarata();

              garis();

              break;

       case 4:

              hapusData();

              garis();

              break;

       case 5:

              cariData();

              garis();

              break;

       case 6:

              updateData();

              garis();

              break;

       case 7:

              dataLulus();

              garis();

              break;

       case 8:

              cout<<"Terima Kasih..."<<endl;

              garis();

              break;

}

}while(pil!=8);

}