QUERY X STRUCT

#include <iostream>
#include <string.h>
using namespace std;

struct MataKuliah{
 char kode[5];
 char nama[30];
};

struct Dosen{
 char NIK[5];
 char nama[30];
};

struct Mengampu{
 char NIK[5];
 char kode[5];
};

struct AmbilMatkul{
 char NIM[11];
 char kode[5];
};

struct Mahasiswa{
 char NIM[11];
 char nama[30];
};

int main(){
 MataKuliah matkul[25];
 Dosen dos[25];
 Mengampu ampu[25];
 AmbilMatkul AM[25];
 Mahasiswa Mhs[25];

 strcpy(matkul[0].kode, "K001");
 strcpy(matkul[0].nama, "Algoritma Pemrograman");
 strcpy(matkul[1].kode, "K002");
 strcpy(matkul[1].nama, "Dasar-Dasar Pemrograman");
 strcpy(matkul[2].kode, "K003");
 strcpy(matkul[2].nama, "Matematika Diskret");
 strcpy(matkul[3].kode, "K004");
 strcpy(matkul[3].nama, "Arsitektur Komputer");
 strcpy(matkul[4].kode, "K005");
 strcpy(matkul[4].nama, "Logika Informatika");

 strcpy(dos[0].NIK, "D001");
 strcpy(dos[0].nama, "Wahyu");
 strcpy(dos[1].NIK, "D002");
 strcpy(dos[1].nama, "Yana");
 strcpy(dos[2].NIK, "D003");
 strcpy(dos[2].nama, "Imam");
 strcpy(dos[3].NIK, "D004");
 strcpy(dos[3].nama, "Aziz");

 strcpy(ampu[0].NIK, "D001");
 strcpy(ampu[0].kode, "K001");
 strcpy(ampu[1].NIK, "D001");
 strcpy(ampu[1].kode, "K002");
 strcpy(ampu[2].NIK, "D002");
 strcpy(ampu[2].kode, "K003");
 strcpy(ampu[3].NIK, "D003");
 strcpy(ampu[3].kode, "K004");
 strcpy(ampu[4].NIK, "D004");
 strcpy(ampu[4].kode, "K005");


 strcpy(AM[0].NIM, "1600018001");
 strcpy(AM[0].kode, "K001");
 strcpy(AM[1].NIM, "1600018002");
 strcpy(AM[1].kode, "K002");
 strcpy(AM[2].NIM, "1600018003");
 strcpy(AM[2].kode, "K003");
 strcpy(AM[3].NIM, "1600018004");
 strcpy(AM[3].kode, "K005");

 strcpy(Mhs[0].NIM, "1600018001");
 strcpy(Mhs[0].nama, "Micheal");
 strcpy(Mhs[1].NIM, "1600018002");
 strcpy(Mhs[1].nama, "John");
 strcpy(Mhs[2].NIM, "1600018003");
 strcpy(Mhs[2].nama, "Harry");
 strcpy(Mhs[3].NIM, "1600018004");
 strcpy(Mhs[3].nama, "Potter");

 char cari[20];
 cout<<"Masukan Nama Dosen : "; cin.getline(cari, sizeof(cari));

 bool ketemu = false;
 int indexKetemu;

 for(int i=0; i<5; i++){
 if(strcmp(cari,dos[i].nama) == 0){
 ketemu = true;
 indexKetemu = i;
 break;
 }
 }

 if(ketemu){
 for(int i=0; i<5; i++){
 if(strcmp(dos[indexKetemu].NIK, ampu[i].NIK) == 0){
 for(int j=0; j<5; j++){
 if(strcmp(ampu[i].kode, matkul[j].kode) == 0){
 cout<<"\nMata Kuliah : "<<matkul[j].nama<<endl;
 for(int k=0; k<5; k++){
 if(strcmp(matkul[j].kode, AM[k].kode) == 0){
 for(int l=0; l<5; l++){
 if(strcmp(AM[k].NIM, Mhs[l].NIM) == 0){
 cout<<"\t ="<<"Nama Mahasiswa : "<<Mhs[l].nama<<endl;;
 }
 }
 }
 }
 }
 }
 cout<<endl;
 }
 }
 }else{
 cout<<"Dosen "<< cari << " Tidak Ditemukan" << endl;
 }

 return 0;
}