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  1. package baitap;
  2.  
  3. import java.util.Scanner;
  4.  
  5. class tiendien
  6. {
  7. 			/*  tiendientrenhoadon = mon!
  8. 			  	số cũ = cu!
  9. 				số mới = moi!
  10. 				số Kw trên hoá đơn = kwhd!
  11. 				số Kw mướn sử dụng = kwB!
  12. 				số Kw mình sử dụng = kwA!
  13. 				đơn giá mướn = dgB /đơn giá mình dgA!
  14. 				tiền điện bên mướn = monB!
  15. 				tiền điện bên mình = monA!
  16. 				tiền thuế bên mướn = taxeB!
  17. 				tiền thuế bên mình = taxeA!
  18. 				tổng mướn = numB
  19. 				tổng mình = num A
  20. 				mấy giai đoạn = gd
  21. 				+ mỗi giai đoạn: đơn giá don[] + số kw kw[]   */
  22. 	public int mon,cu,moi,kwhd,kwb,kwa,dgb,dga,monb,mona,taxeb,taxea,numb,numa,gd;
  23.     public int don[] = new int[gd];
  24.     public int kw[] = new int[gd];
  25.  
  26.     @SuppressWarnings("resource")
  27. 	public void input()
  28.     {
  29.     	Scanner in = new Scanner(System.in);
  30.     	System.out.println("Nhap tien dien chua thue tren hoa don");
  31.     	mon = in.nextInt();
  32.     	System.out.println("Nhap so cu: ");
  33.     	cu = in.nextInt();
  34.     	System.out.println("Nhap so moi: ");
  35.     	moi = in.nextInt();
  36.     	System.out.println("So Kw tren hoa don: ");
  37.     	kwhd = in.nextInt();
  38.     	System.out.println("Nhap so giai doan trong hoa don: ");
  39.     	gd = in.nextInt();
  40.     	switch (gd)
  41.     	{
  42.     	case 1:
  43.     		{
  44.     		System.out.println("Nhap Kw giai doan 1: ");
  45.     		kw[1] = in.nextInt();
  46.     		break;
  47.     		}
  48.     	case 2:
  49.     		{
  50.     		kw[1] = 50;
  51.     		System.out.println("Nhap Kw giai doan 2: ");
  52.     		kw[2] = in.nextInt();
  53.     		break;
  54.     		}
  55.     	case 3:
  56.     		{
  57.     		kw[1] = 50; kw[2] = 50;
  58.     		System.out.println("Nhap Kw giai doan 3: ");
  59.     		kw[3] = in.nextInt();
  60.     		break;
  61.     		}
  62.     	case 4:
  63.     		{
  64.     		kw[1] = 50;
  65.     		kw[2] = 50;
  66.     		kw[3] = 100;
  67.     		System.out.println("Nhap Kw giai doan 4: ");
  68.     		kw[4] = in.nextInt();
  69.     		break;
  70.     		}
  71.     	default: System.out.println("Tu tinh bang tay!");
  72.     	}
  73.     	for (int i = 1; i <= gd; i++)
  74.     	{
  75.     		System.out.println("Don gia giai doan " + i + ": ");
  76.     		don[gd] = in.nextInt();
  77.     	}
  78.     }
  79.  
  80.     public void tinhtoan()
  81.     {
  82.     	kwb = cu - moi;
  83.     	kwa = kwhd - kwb;
  84.     	// xu ly don gia a
  85.     	if (gd == 1)
  86.     	{
  87.     		dga = don[1] / kwa;
  88.     	}
  89.     	else if (gd == 2)
  90.     	{
  91.     		if (kwa < kw[1])
  92.     		{
  93.     			dga = don[1] / kwa;
  94.     		}
  95.     		else if (kwa > kw[1])
  96.     		{
  97.     			dga = (don[1]+don[2]) / (kw[1]+ kw[2]);
  98.     		}
  99.     	}
  100.     	else if (gd == 3)
  101.     	{
  102.     	    if (kwa < kw[1])
  103.     		{
  104.     			dga = don[1] / kwa;
  105.     		}
  106.     		else if (kwa > kw[1] && kwa < 100)
  107.     		{
  108.     			dga = (don[1]+don[2]) / (kw[1] + kw[2]);
  109.     		}
  110.     		else if (kwa > 100)
  111.     		{
  112.     			dga = (don[1]+don[2]+don[3]) / (kw[1]+ kw[2]+kw[3]);
  113.     		}
  114.     	}
  115.     	else if (gd == 4)
  116.     	{
  117.     		if (kwa < kw[1])
  118.     		{
  119.     			dga = don[1] / kwa;
  120.     		}
  121.     		else if (kwa > kw[1] && kwa < 100)
  122.     		{
  123.     			dga = (don[1]+don[2]) / (kw[1] + kw[2]);
  124.     		}
  125.     		else if (kwa > 100 && kwa < 200)
  126.     		{
  127.     			dga = (don[1]+don[2]+don[3]) / (kw[1]+ kw[2]+kw[3]);
  128.     		}
  129.     		else if  (kwa > 200)
  130.     		{
  131.     			dga = (don[1]+don[2]+don[3]+don[4]) / (kw[1]+kw[2]+kw[3]+kw[4]);
  132.     		}
  133.     	}
  134.     	else System.out.println("Ung dung sai!");
  135.     	// xu ly dgb
  136.     	mona = dga * kwa;
  137.     	monb = mon - mona;
  138.     	dgb = monb / kwb;
  139.     	taxea = mona * 10/100;
  140.     	taxeb = monb * 10/100;
  141.     	numa= mona + taxea;
  142.     	numb= monb + taxeb;
  143.     }
  144.  
  145.     public void show()
  146.     {
  147.     	System.out.println("So Kw cua ben muon nha: " + kwb);
  148.     	System.out.println("Don gia cua ben muon nha: " + dgb);
  149.     	System.out.println("So tien dien cua ben muon nha: " + monb);
  150.     	System.out.println("So tien thue 10%: " + taxeb);
  151.     	System.out.println("Tong cong ben muon nha: " +numb);
  152.     	System.out.println("\n===================================\n");
  153.     	System.out.println("So Kw cua ben A: " + kwa);
  154.     	System.out.println("Don gia cua ben A: " + dga);
  155.     	System.out.println("So tien dien cua ben A: " + mona);
  156.     	System.out.println("So tien thue 10%: " + taxea);
  157.     	System.out.println("Tong cong ben A: " +numa);
  158.     }
  159. }
  160. class tiendienDemo
  161. {
  162. 	public static void main(String args[])
  163. 	{
  164. 		tiendien mytiendien = new tiendien();
  165. 		mytiendien.input();
  166. 		mytiendien.tinhtoan();
  167. 		System.out.println("\n Hoa don: \n");
  168. 		mytiendien.show();
  169. 	}
  170. }
  171.  
Runtime error #stdin #stdout #stderr 0.11s 321024KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Error: Could not find or load main class tiendienDemo
https://ideone.com/I268Dg
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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