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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		Scanner in = new Scanner(System.in);
  13. 		int a;
  14. 		int b;
  15. 		int m = 1;
  16. 		String ca;
  17. 		int il = 2;
  18. 		int wynik =0;
  19. 		il = in.nextInt();
  20. 		int[] magazyn = new int[1000];
  21. 		in.nextLine();
  22. 		if(il>1000 || il<1) {System.exit(0);}
  23. 		for(int i = 0; i < il; i++) {
  24. 			ca = in.nextLine();
  25. 			int l = ca.length();
  26. 			int p = spacja(ca, l);
  27. 			a = converter(ca, p);
  28. 			b = converter2(ca, p);
  29. 			if(a>10000 || a<1) {System.exit(0);}
  30. 			if(b>10000 || b<1) {System.exit(0);}
  31. 			wynik = 2*(a*b)/(a+b);
  32. 			magazyn[m] = wynik;
  33. 			m++;}
  34.  
  35. 			for(int j = 1; j < m; j++) {
  36. 				System.out.println(magazyn[j]);
  37. 		}}private static int spacja(String spacja, int l) {
  38. 			int d = 20;
  39. 			for(int i=0;i<l;i++)
  40. 	        {
  41. 	            char c=spacja.charAt(i);
  42. 	            if(c==' ')
  43. 	            {
  44. 	            d = i;
  45. 	            }
  46. 		}return d;}
  47. 	private static int converter(java.lang.String linia1, int bal) {
  48. 		int pierwsza = Integer.parseInt(linia1.substring(0, bal));
  49. 		return pierwsza; 
  50. 		}	
  51. 	private static int converter2(java.lang.String linia1, int bal) {
  52. 		int druga = Integer.parseInt(linia1.substring(bal+1, linia1.length()));
  53. 		return druga; 
  54. 	}	
  55. 	}
Success #stdin #stdout 0.07s 2184192KB
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https://ideone.com/S63NdM
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
secret

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