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2026-02-26 07:26:51 +01:00 · 2022-12-20 15:13:36 +00:00
parent e8a2145715
commit 4dafaa6540
43 changed files with 85 additions and 3 deletions
@@ -0,0 +1,182 @@
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.Queue;
+import java.util.Stack;
+
+public class main {
+	static ArrayList<Stack<Character>> supplyStacksPart1;
+	static ArrayList<Stack<Character>> supplyStacksPart2;
+	
+	
+	public static void main(String[] args) {
+		supplyStacksPart1 = new ArrayList<Stack<Character>>(9);		
+		supplyStacksPart2 = new ArrayList<Stack<Character>>(9);
+		for (int i = 0; i < 9; i++) {
+			supplyStacksPart1.add(new Stack<Character>());
+			supplyStacksPart2.add(new Stack<Character>());
+		}
+		populateArrayListOfStacks(supplyStacksPart1);
+		populateArrayListOfStacks(supplyStacksPart2);
+		
+		int numberOfCratesToMove = 0,stackToBeMovedFrom = 0, stackToMoveTo = 0;
+		int line = 0;
+		int offset = 0;
+		
+		Stack<Character> temporalHoldingOfCrates = new Stack<Character>();
+		
+		try {
+			RandomAccessFile file = new RandomAccessFile("input.txt", "r");
+			String str;
+
+			while ((str = file.readLine()) != null) {
+				line++;
+				
+				if (line >= 11) {
+					if (str.charAt(7) != ' ') {
+						numberOfCratesToMove = Integer.valueOf(str.substring(5,6));
+						offset = 0;
+					}
+					else {
+						numberOfCratesToMove = Integer.valueOf(str.substring(5,7));
+						offset = 1;
+					}
+						
+					stackToBeMovedFrom = Integer.valueOf(str.substring(12+offset,13+offset));
+					stackToMoveTo = Integer.valueOf(str.substring(17+offset));
+					for (int i = 0; i < numberOfCratesToMove; i++) {
+						//Part 1
+						if (!supplyStacksPart1.get(stackToBeMovedFrom-1).empty()) {
+							supplyStacksPart1.get(stackToMoveTo-1).push(supplyStacksPart1.get(stackToBeMovedFrom-1).pop());
+						}
+						
+						//Part 2
+						if (!supplyStacksPart2.get(stackToBeMovedFrom-1).empty()) {
+							temporalHoldingOfCrates.push(supplyStacksPart2.get(stackToBeMovedFrom-1).pop()); 
+						}	
+					}
+					for (int i = 0; i < temporalHoldingOfCrates.size(); i++) {
+						supplyStacksPart2.get(stackToMoveTo-1).push(temporalHoldingOfCrates.pop());
+					}
+					
+					for (int i = 0; i < 9; i++) {
+						if (!supplyStacksPart2.get(i).empty())
+							System.out.print(supplyStacksPart2.get(i).peek());
+						else
+							System.out.print(" ");
+					}
+					System.out.println();
+				}
+			}
+			
+			
+			
+			System.out.print("Part 1: ");
+			for (int i = 0; i < 9; i++) {
+				if (!supplyStacksPart1.get(i).empty())
+					System.out.print(supplyStacksPart1.get(i).peek());
+			}
+			
+			System.out.println("");
+			
+			
+			System.out.print("Part 2: ");
+			for (int i = 0; i < 9; i++) {
+				if (!supplyStacksPart2.get(i).empty())
+					System.out.print(supplyStacksPart2.get(i).peek());
+			}
+			
+			
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+	
+	public static void populateArrayListOfStacks(ArrayList<Stack<Character>> arrayListOfStack) {
+		arrayListOfStack.get(0).push('Z');
+		arrayListOfStack.get(0).push('N');
+		
+		arrayListOfStack.get(1).push('M');
+		arrayListOfStack.get(1).push('C');
+		arrayListOfStack.get(1).push('D');
+		
+		arrayListOfStack.get(2).push('P');
+		/*
+		// Stack 1
+		arrayListOfStack.get(0).push('W');
+		arrayListOfStack.get(0).push('D');
+		arrayListOfStack.get(0).push('G');
+		arrayListOfStack.get(0).push('B');
+		arrayListOfStack.get(0).push('H');
+		arrayListOfStack.get(0).push('R');
+		arrayListOfStack.get(0).push('V');
+		
+		// Stack 2
+		arrayListOfStack.get(1).push('J');
+		arrayListOfStack.get(1).push('N');
+		arrayListOfStack.get(1).push('G');
+		arrayListOfStack.get(1).push('C');
+		arrayListOfStack.get(1).push('R');
+		arrayListOfStack.get(1).push('F');
+		
+		// Stack 3
+		arrayListOfStack.get(2).push('L');
+		arrayListOfStack.get(2).push('S');
+		arrayListOfStack.get(2).push('F');
+		arrayListOfStack.get(2).push('H');
+		arrayListOfStack.get(2).push('D');
+		arrayListOfStack.get(2).push('N');
+		arrayListOfStack.get(2).push('J');
+		
+		// Stack 4
+		arrayListOfStack.get(3).push('J');
+		arrayListOfStack.get(3).push('D');
+		arrayListOfStack.get(3).push('S');
+		arrayListOfStack.get(3).push('V');
+		
+		// Stack 5
+		arrayListOfStack.get(4).push('S');
+		arrayListOfStack.get(4).push('H');
+		arrayListOfStack.get(4).push('D');
+		arrayListOfStack.get(4).push('R');
+		arrayListOfStack.get(4).push('Q');
+		arrayListOfStack.get(4).push('W');
+		arrayListOfStack.get(4).push('N');
+		arrayListOfStack.get(4).push('V');
+		
+		// Stack 6
+		arrayListOfStack.get(5).push('P');
+		arrayListOfStack.get(5).push('G');
+		arrayListOfStack.get(5).push('H');
+		arrayListOfStack.get(5).push('C');
+		arrayListOfStack.get(5).push('M');
+		
+		// Stack 7
+		arrayListOfStack.get(6).push('F');
+		arrayListOfStack.get(6).push('J');
+		arrayListOfStack.get(6).push('B');
+		arrayListOfStack.get(6).push('G');
+		arrayListOfStack.get(6).push('L');
+		arrayListOfStack.get(6).push('Z');
+		arrayListOfStack.get(6).push('H');
+		arrayListOfStack.get(6).push('C');
+		
+		// Stack 8
+		arrayListOfStack.get(7).push('S');
+		arrayListOfStack.get(7).push('J');
+		arrayListOfStack.get(7).push('R');
+		
+		// Stack 9
+		arrayListOfStack.get(8).push('L');
+		arrayListOfStack.get(8).push('G');
+		arrayListOfStack.get(8).push('S');
+		arrayListOfStack.get(8).push('R');
+		arrayListOfStack.get(8).push('B');
+		arrayListOfStack.get(8).push('N');
+		arrayListOfStack.get(8).push('V');
+		arrayListOfStack.get(8).push('M');
+		*/
+	}
+
+}