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  1. class Challenges 
  2. {
  3.     public static void main(String[] args) 
  4.     {
  5.     	String[] input;
  6.  
  7.  
  8.     	System.out.println("Star Struck: ");
  9.     	input =  new String[] {
  10. 			"*xy***", 
  11. 			"a*bc**def****g", 
  12. 			"a*b*c*d*", 
  13. 			"****"
  14. 		};
  15.  
  16.         for(String cur: input)
  17.             System.out.println("\t" + cur + ": " + countStars(cur));
  18.  
  19.         System.out.println("Zip Zap Not Zip Zip: ");
  20.         input = new String[] {
  21.         	"zip dsjdkgf", 
  22.         	"zipdjzap zip zzzzzzap",
  23.         	"zipzapzipzzzaphzazipzazapzgzazapzapzapzapzipzapzapzap", 
  24.         	"zipzipzipzipzipzap", 
  25.         	"zapzipff", 
  26.         	"zip", 
  27.         	"zap", 
  28.         	"blue"
  29.     	};
  30.  
  31.         for(String cur: input)
  32. 			System.out.println("\t" + cur + ": " + isZipZap(cur));
  33.     }
  34.  
  35.     private static int countStars(String input) 
  36.     {
  37.         int result = 0;
  38.  
  39.         for(int i = 0; i < input.length(); i++)
  40.             if(( (i + 1 < input.length() && input.charAt(i + 1) == '*') || (i - 1 >= 0 && input.charAt(i - 1) == '*') ) && input.charAt(i) == '*')
  41.                 result++;
  42.  
  43.         return result;
  44.     }
  45.  
  46.     private static boolean isZipZap(String input) 
  47.     {
  48. 		if(input.contains("zip") && !input.substring(input.indexOf("zip")).contains("zap"))
  49. 			return false;
  50.  
  51. 		if(input.split("zip").length <= 2)
  52. 			return true;
  53.  
  54. 		return isZipZap(new StringBuilder(input.substring(input.indexOf("zip") + 3)).delete(input.indexOf("zap"), input.indexOf("zap") + 3).toString());
  55. 	}
  56. }
Success #stdin #stdout 0.05s 711168KB
comments ()
stdin 
Standard input is empty
stdout 
Star Struck: 
	*xy***: 3
	a*bc**def****g: 6
	a*b*c*d*: 0
	****: 4
Zip Zap Not Zip Zip: 
	zip dsjdkgf: false
	zipdjzap zip zzzzzzap: true
	zipzapzipzzzaphzazipzazapzgzazapzapzapzapzipzapzapzap: true
	zipzipzipzipzipzap: true
	zapzipff: false
	zip: false
	zap: true
	blue: true
https://ideone.com/0ISZPY
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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