AdventOfCode2017/Day4

Day4Part1.java

		   int ok = 0;
		   
		   for(String s : Files.readAllLines(Paths.get(new File("res/day4").getPath()))) {
			  ArrayList<Integer> row = new ArrayList<Integer>();
			  List<String> words = new ArrayList<String>();
			  boolean cont = false;
			   for(String s1 : s.split(" ")) {
				   

				  
				      if(words.contains(s1)) {
				    	  cont = true;
				    	  break;
				    	 
				      }
				      else {
				    	  words.add(s1);
				      }
				   }
			   
			   if(cont) continue;
			   ok++;
			   
			  
		   }
		   
		
		   
		   
		   System.out.println(ok);
		   

Day4Part2.java

	public static void main(String args[]) throws NumberFormatException, IOException {
		

		  
		   int ok = 0;
		   
		   for(String s : Files.readAllLines(Paths.get(new File("res/day4").getPath()))) {
			  ArrayList<Integer> row = new ArrayList<Integer>();
			  List<String> words = new ArrayList<String>();
			  boolean cont = false;
			   for(String s1 : s.split(" ")) {

				   for(String s2 : words) {
					   if(isAnagram(s1, s2)) {
						   cont = true;
						   if(!words.contains(s1))
						   words.add(s1);
						   break;
					   }
				   }
				   words.add(s1);

				   }
			   
			   if(cont) continue;
			   ok++;
			   
			  
		   }
		   
		
		   
		   
		   System.out.println(ok);
		   
	
	
	
	
		
	
	
	}
	
	public static boolean isAnagram(String firstWord, String secondWord) {
	     char[] word1 = firstWord.replaceAll("[\\s]", "").toCharArray();
	     char[] word2 = secondWord.replaceAll("[\\s]", "").toCharArray();
	     Arrays.sort(word1);
	     Arrays.sort(word2);
	     return Arrays.equals(word1, word2);
	}