feat: solve day 3 part 2

Author: Flashky

src/main/java/com/adventofcode/flashk/day03/MullItOver.java

@@ -5,6 +5,7 @@
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
 public class MullItOver {
 
@@ -35,55 +36,28 @@ public long solveA() {
 
     public long solveB() {
         long result = 0;
-        for(String input : inputs) {
-
-            String cleanedInput = removeMultiplications(input);
 
-            Matcher matcher = PATTERN.matcher(cleanedInput);
-
-            while(matcher.find()){
-                result += multiply(matcher.group());
-            }
+        String complete = String.join("", inputs);
+        String cleanedInput = removeMultiplications(complete);
+        Matcher matcher = PATTERN.matcher(cleanedInput);
+        while(matcher.find()){
+            result += multiply(matcher.group());
         }
 
+
         return result;
     }
 
     private String removeMultiplications(String input) {
 
-        String modifiedInput = input;
-
-        Matcher matcher = IGNORE_MULTIPLICATIONS.matcher(modifiedInput);
-        if(matcher.find()) {
-            modifiedInput = modifiedInput.replaceAll("don't\\(\\).*?do\\(\\)", "");
-        }
+        String modifiedInput = IGNORE_MULTIPLICATIONS.matcher(input).replaceAll("");
 
         if(!modifiedInput.contains("don't()")) {
             return modifiedInput;
         }
 
         return modifiedInput.substring(0, modifiedInput.indexOf("don't()"));
 
-        /*
-        while(modifiedInput.contains("don't()")) {
-            //int startRemoveIndex = modifiedInput.indexOf("don't()");
-           //int endRemoveIndex = modifiedInput.indexOf("do()") + "do()".length();
-
-            // Ojo:
-            // Y si tienes...: don't() ... do() ... do() ... don't() ?
-
-            Matcher matcher = IGNORE_MULTIPLICATIONS.matcher(modifiedInput);
-            if(matcher.find()) {
-                modifiedInput = modifiedInput.replaceAll("don't\\(\\).*?do\\(\\)", "");
-            } else {
-                modifiedInput = modifiedInput.replaceAll("don't\\(\\)", "");
-            }
-
-            // Y si tienes un don't() sin cerrar?
-            //modifiedInput = modifiedInput.substring(0, startRemoveIndex) + modifiedInput.substring(endRemoveIndex, modifiedInput.length());
-        }
-
-        return modifiedInput;*/
     }
 
     private long multiply(String operation) {
@@ -92,8 +66,8 @@ private long multiply(String operation) {
         long op1;
         long op2;
         if(matcher.find()){
-            op1 = Long.valueOf(matcher.group(1));
-            op2 = Long.valueOf(matcher.group(2));
+            op1 = Long.parseLong(matcher.group(1));
+            op2 = Long.parseLong(matcher.group(2));
             return op1 * op2;
         }
         return 0;

src/test/java/com/adventofcode/flashk/day03/Day03Test.java

@@ -57,6 +57,60 @@ public void testSolvePart1Input() {
 		assertEquals(160672468, mullItOver.solveA());
 
 	}
+
+	@Test
+	@Order(2)
+	@Tag(TestTag.PART_ONE)
+	@Tag(TestTag.INPUT)
+	@DisplayName(TestDisplayName.PART_ONE_DEBUG)
+	public void testSolvePart1InputByLines() {
+
+		System.out.print("1 | input  | ");
+
+		// Read input file
+		List<String> inputs = Input.readStringLines(INPUT_FOLDER, TestFilename.INPUT_FILE);
+
+
+		MullItOver mullItOver = new MullItOver(List.of(inputs.get(0)));
+
+		assertEquals(30243322, mullItOver.solveA());
+
+		mullItOver = new MullItOver(List.of(inputs.get(1)));
+		assertEquals(29041171, mullItOver.solveA());
+
+		mullItOver = new MullItOver(List.of(inputs.get(2)));
+		assertEquals(22674551, mullItOver.solveA());
+
+		mullItOver = new MullItOver(List.of(inputs.get(3)));
+		assertEquals(26491961, mullItOver.solveA());
+
+		mullItOver = new MullItOver(List.of(inputs.get(4)));
+		assertEquals(24532437, mullItOver.solveA());
+
+		mullItOver = new MullItOver(List.of(inputs.get(5)));
+		assertEquals(27689026, mullItOver.solveA());
+
+
+	}
+
+	@Test
+	@Order(2)
+	@Tag(TestTag.PART_TWO)
+	@Tag(TestTag.INPUT)
+	@DisplayName(TestDisplayName.PART_TWO_DEBUG)
+	void testSolvePart2InputByLines() {
+
+		System.out.print("1 | input  | ");
+
+		// Read input file
+		List<String> inputs = Input.readStringLines(INPUT_FOLDER, TestFilename.INPUT_FILE);
+
+
+		MullItOver mullItOver = new MullItOver(List.of(inputs.get(0)));
+
+		assertEquals(26546863, mullItOver.solveB());
+
+	}
 
 	@Test
 	@Order(3)
@@ -87,16 +141,9 @@ public void testSolvePart2Input() {
 		List<String> inputs = Input.readStringLines(INPUT_FOLDER, TestFilename.INPUT_FILE);
 		MullItOver mullItOver = new MullItOver(inputs);
 
-		System.out.println("Sol: "+mullItOver.solveB());
-
-		// Incorrectas:
-		// 49347471
-		// 112946746 -> Too high
-		// 112946746
-		// 93733733 -> Too high
-
-		//assertEquals(160672468, mullItOver.solveB());
+		assertEquals(84893551, mullItOver.solveB());
 
 	}
 
+
 }