UAS Algo UNPAM

/**
* Di pelajarin pelan pelan ya kawan buat UAS nanti.
*
* - Fansa
*/

#include <iostream>
#include <windows.h>
#include <conio.h>

using namespace std;

struct dataProduk {
 	char namabarang[255];
 	long jumlah;
 	long harga;
} structProduk[10];

void gotoxy(int x, int y) {
 	COORD k = {x, y};
 	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), k);
}

int main(void) {
	string namasuplier;
	string alamatsuplier;
	
 	char namabarang[255];
 	char pil;
 	
 	long bayar;
 
 	long tharga;
 	long tbayar;
 	long tdiskon;
 	long tgrand;
 	long tkembali;
 
 	float diskon;

 	int i, j = 0;

 	pil = 'Y';
 	
 	gotoxy(2, 1); cout << "Nama Suplier: "; getline(cin, namasuplier);
 	gotoxy(2, 2); cout << "Alamat Suplier: "; getline(cin, alamatsuplier);
 
 	while (pil == 'Y' || pil == 'y') {
 		system("cls");

	 	gotoxy(2, 1); cout << "Nama Barang: "; cin >> structProduk[i].namabarang;
	 	gotoxy(2, 2); cout << "Jumlah: "; cin >> structProduk[i].jumlah;
	 	gotoxy(2, 3); cout << "Harga: "; cin >> structProduk[i].harga;
	 	gotoxy(2, 4); cout << "Input Data Lagi? Tekan Y: "; pil = getch();

 		i++;
 		
 		if (i >= 5) break;
 	}
 
 	gotoxy(2, 5); cout << "Bayar: "; cin >> bayar;

	system("cls");
	
	gotoxy(2, 1); cout << "Nama Suplier: " << namasuplier;
	gotoxy(2, 2); cout << "Alamat Suplier: " << alamatsuplier;
	gotoxy(2, 3); cout << "_________________________________________________________";
	gotoxy(2, 5); cout << "No";
	gotoxy(5, 5); cout << "Nama Barang";
	gotoxy(20, 5); cout << "Jumlah";
	gotoxy(28, 5); cout << "Harga";
	gotoxy(35, 5); cout << "Total";
	gotoxy(43, 5); cout << "Diskon";
	gotoxy(52, 5); cout << "Bayar";
	gotoxy(2, 6); cout << "_________________________________________________________";
	 
	for (j = 0; j < i; j++) {
		tharga = structProduk[j].harga * structProduk[j].jumlah;
	 
		diskon = 0;
		if (tharga > 10000) diskon = 10;
		if (tharga > 5000 && tharga < 10000) diskon = 5;
		
		tdiskon = tharga * diskon / 100;
		tbayar = tharga - (tharga * diskon / 100);
		tgrand += tbayar;
		
		gotoxy(2, 7 + j); cout << j + 1;
		gotoxy(5, 7 + j); cout << structProduk[j].namabarang;
		gotoxy(20, 7 + j); cout << structProduk[j].jumlah;
		gotoxy(28, 7 + j); cout << structProduk[j].harga;
		gotoxy(35, 7 + j); cout << tharga;
		gotoxy(43, 7 + j); cout << tdiskon;
		gotoxy(52, 7 + j); cout << tbayar;
	}
	
	tkembali = bayar - tgrand;
	
	gotoxy(35, 9 + i); cout << "Grand Total: " << tgrand;
	gotoxy(35, 10 + i); cout << "Bayar: " << bayar;
	gotoxy(35, 11 + i); cout << "Kembali: " << tkembali;
}