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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		System.out.println(decode(encode("WWWWWWWWWBBBCC")));	
  9. 	}
  10. 	private static String encode(String input){
  11. 		char[] chars=input.toCharArray();
  12. 		char c=chars[0];
  13. 		String output="";int runLength=1;
  14. 		System.out.println(chars.length);
  15. 		for(int i=1;i<chars.length;i++){
  16. 			if(c==chars[i] && i!=chars.length-1){
  17. 				runLength++;
  18. 			}else if(i==chars.length-1){
  19. 			      runLength++;
  20. 			      output+=runLength+""+c;
  21. 			}
  22. 			else{
  23. 				output+=runLength+""+c;
  24. 				runLength=1;
  25. 			}
  26. 			c=chars[i];
  27. 		}
  28. 	return output;
  29. 	}
  30. 	private static String decode(String output){
  31. 		char [] outputCh=output.toCharArray();
  32. 		output="";
  33. 		String number="";
  34. 		for(int i=0;i<outputCh.length;i++){
  35. 			if(Charecter.isDigit(outputCh[i])){
  36. 			     number+=outputCh[i];
  37. 			}
  38. 			else{
  39. 				int k=Integer.parseInt(number);
  40. 				while(k>0){
  41. 					output+=""+outputCh[i];		
  42. 				}
  43. 				number="";
  44. 			}
  45. 		}
  46. 		return output;
  47. 	}
  48. }
Runtime error #stdin #stdout 0.69s 217024KB
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Standard input is empty
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Standard output is empty
https://ideone.com/ErlSX
language:
Groovy (groovy 2.5.6)
created:
14 years ago
visibility:
public

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