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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. 		String toTest = "";
  13. 		Scanner scan = new Scanner(System.in);
  14.  
  15. 		do{
  16. 			toTest += scan.nextLine();
  17. 			if (scan.hasNext()){
  18. 				toTest += "\n";
  19. 				continue;
  20. 			}
  21. 		}while (false);
  22.  
  23. 		int digitCount = 0, otherCount = 0;
  24. 		for (char c : toTest.toCharArray()){
  25. 			if (c >= '0' && c <= '9'){
  26. 				digitCount++;
  27. 			}
  28. 			else{
  29. 				otherCount++;
  30. 			}
  31. 		}
  32. 		System.out.println("Digits: " + digitCount + " Nondigits: " + otherCount);
  33.  
  34. 		int f1 = 1, f2 = 2;
  35.  
  36. 		while (true){
  37. 			if (f2 == digitCount && f1 == otherCount){
  38. 				System.out.println("Valid program");
  39. 				break;
  40. 			}
  41. 			int store = f2;
  42. 			f2 += f1;
  43. 			f1 = store;
  44.  
  45. 			if (f1 > digitCount){
  46. 				System.out.println("Invalid program");
  47. 				break;
  48. 			}
  49. 		}
  50. 	}
  51. }
Success #stdin #stdout 0.1s 380608KB
comments (?)
stdin
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[72 101 108 108 111 32 119 111 114 108 100 33 {.}2*]''+
stdout
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Digits: 34 Nondigits: 21
Valid program
https://ideone.com/K2BxjV
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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