Add solution for Day 24: Crossed Wires #19
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Part 1: Simulate boolean logic circuit with AND, OR, XOR gates. Parse initial wire values and gate definitions, then simulate until all z-wires have values. The z-wires form a binary number (z00 is LSB) that we convert to decimal. Part 2: Find 4 pairs of gates whose output wires were swapped in a binary adder circuit. Implements systematic analysis of ripple-carry adder structure to identify: - z-gates with wrong operations (should be XOR) - XOR(xi,yi) gates that don't feed correctly into final adder stage - Structural violations in carry propagation chain The solution analyzes circuit violations and determines exact swaps needed to restore proper binary adder functionality. Uses logical deduction based on expected ripple-carry adder patterns to identify the 8 wires involved in 4 swap pairs. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
WalkthroughA new solution for Advent of Code 2024 Day 24 ("Crossed Wires") is introduced, including the Kotlin implementation, input data, puzzle description, and associated test. The README is updated to reference these additions. The solution simulates a boolean logic circuit, analyzes structural errors, and provides expected results for automated testing. Changes
Sequence Diagram(s)sequenceDiagram
participant InputFile
participant Solution
participant CircuitSimulator
participant Output
InputFile->>Solution: Provide initial wire values & gate definitions
Solution->>CircuitSimulator: Parse input, build circuit
CircuitSimulator->>CircuitSimulator: Simulate gate operations
CircuitSimulator->>Solution: Return z-wire outputs (Part 1)
Solution->>Output: Output decimal value
Note over Solution: For Part 2
Solution->>CircuitSimulator: Analyze circuit structure
CircuitSimulator->>Solution: Identify swapped output wires
Solution->>Output: Output sorted swapped wire names
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Poem
✨ Finishing Touches🧪 Generate unit tests
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Actionable comments posted: 0
🧹 Nitpick comments (6)
src/main/kotlin/solutions/day24/Solution.kt (6)
83-107: Consider extracting duplicate parsing logicThe input parsing logic is duplicated from Part 1. Consider extracting it to a private helper method to follow DRY principle.
- val wireValues = mutableMapOf<String, Int>() - val gates = mutableListOf<Gate>() - - val emptyLineIndex = input.indexOfFirst { it.isEmpty() } - - // Parse initial wire values - for (i in 0 until emptyLineIndex) { - val line = input[i] - val (wire, value) = line.split(": ") - wireValues[wire] = value.toInt() - } - - // Parse gate definitions - for (i in emptyLineIndex + 1 until input.size) { - val line = input[i] - if (line.isNotEmpty()) { - val parts = line.split(" -> ") - val output = parts[1] - val inputParts = parts[0].split(" ") - val input1 = inputParts[0] - val operation = inputParts[1] - val input2 = inputParts[2] - gates.add(Gate(input1, operation, input2, output)) - } - } + val (wireValues, gates) = parseInput(input)Add this helper method:
private fun parseInput(input: List<String>): Pair<MutableMap<String, Int>, List<Gate>> { val wireValues = mutableMapOf<String, Int>() val gates = mutableListOf<Gate>() val emptyLineIndex = input.indexOfFirst { it.isEmpty() } // Parse initial wire values for (i in 0 until emptyLineIndex) { val line = input[i] val (wire, value) = line.split(": ") wireValues[wire] = value.toInt() } // Parse gate definitions for (i in emptyLineIndex + 1 until input.size) { val line = input[i] if (line.isNotEmpty()) { val parts = line.split(" -> ") val output = parts[1] val inputParts = parts[0].split(" ") val input1 = inputParts[0] val operation = inputParts[1] val input2 = inputParts[2] gates.add(Gate(input1, operation, input2, output)) } } return wireValues to gates }
131-131: Remove debug outputDebug println statements should be removed from production code.
- println("\nFinal answer: $result")
139-162: simulateCircuit duplicates Part 1 logicThe simulation logic is duplicated from Part 1. This could be extracted to avoid duplication.
338-392: Remove extensive debug output from analysis methodsMultiple debug println statements should be removed from production code for cleaner output.
Remove all println statements in this section:
- println("=== Analyzing Z-Gates ===") for (i in 1..44) { val zi = "z${i.toString().padStart(2, '0')}" val gate = gatesByOutput[zi] if (gate != null) { - println("$zi = ${gate.input1} ${gate.operation} ${gate.input2}") if (gate.operation != "XOR") { violations.add("$zi should be XOR but is ${gate.operation}") swappedWires.add(zi) } } } - println("\n=== Analyzing XOR(xi, yi) Gates ===") for (i in 0..44) { // ... rest of logic - println("$xi XOR $yi -> $output") // ... continue without debug output } - println("\n=== Violations Found ===") - violations.forEach { println(it) }
404-492: Remove debug output from determineExactSwaps and helper methodsDebug println statements should be removed throughout these methods.
Remove all println statements:
- println("\n=== Finding Exact Swaps ===") - println("z05 = ${z05Gate.input1} ${z05Gate.operation} ${z05Gate.input2}") - println("Found correct z05 gate: ${correctZ05.output} = ${correctZ05.input1} XOR ${correctZ05.input2}") - println("z11 = ${z11Gate.input1} ${z11Gate.operation} ${z11Gate.input2}") - println("Found correct z11 gate: ${correctZ11.output} = ${correctZ11.input1} XOR ${correctZ11.input2}") - println("z24 = ${z24Gate.input1} ${z24Gate.operation} ${z24Gate.input2}") - println("qcw should be one input to z24, but current inputs are ${z24Gate.input1} and ${z24Gate.input2}") - println("carry23 input: $carry23Input, wrong input: $wrongInput") - println("z35 = ${z35Gate.input1} ${z35Gate.operation} ${z35Gate.input2}") - println("Found correct z35 gate: ${correctZ35.output} = ${correctZ35.input1} XOR ${correctZ35.input2}") - println("\nSwaps found: ${swaps.sorted()}") - println("✓ Swaps verified as correct!") - println("✗ Swaps may not be correct, need further analysis") - println("Checking if $wire is carry: ${producingGate?.input1} ${producingGate?.operation} ${producingGate?.input2} -> $isCarry")
502-524: Remove debug output from verifySwapsDebug verification messages should be removed.
- println("\n=== Verifying Swapped Circuit ===") var isValid = true // Check z00 val z00Gate = gatesByOutput["z00"] if (z00Gate?.operation != "XOR" || !isXYPair(z00Gate.input1, z00Gate.input2, "00")) { - println("✗ z00 is not x00 XOR y00") isValid = false - } else { - println("✓ z00 = x00 XOR y00") } // Check other z bits (1-44) for (i in 1..44) { val zi = "z${i.toString().padStart(2, '0')}" val gate = gatesByOutput[zi] if (gate?.operation != "XOR") { - println("✗ $zi is not XOR: ${gate?.operation}") isValid = false } }
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README.md(1 hunks)src/main/kotlin/solutions/day24/Solution.kt(1 hunks)src/main/resources/solutions/day24/input.txt(1 hunks)src/main/resources/solutions/day24/puzzle.txt(1 hunks)src/test/kotlin/solutions/day24/SolutionTest.kt(1 hunks)
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📓 Path-based instructions (3)
src/test/kotlin/solutions/day*/SolutionTest.kt
📄 CodeRabbit Inference Engine (CLAUDE.md)
Test files should extend GenericSolutionTest.kt and only override the result values.
Files:
src/test/kotlin/solutions/day24/SolutionTest.kt
src/main/kotlin/solutions/day*/Solution.kt
📄 CodeRabbit Inference Engine (CLAUDE.md)
src/main/kotlin/solutions/day*/Solution.kt: Solution files should extend GenericSolution.kt and use the util classes wherever possible.
Add a detailed header comment at the top of each solution file using the specified multi-line format, explaining both the problem context and the solution approach for each part.
Use /* */ multi-line comments, not // single-line comments, for the header in solution files.
Files:
src/main/kotlin/solutions/day24/Solution.kt
src/main/kotlin/solutions/**/*.kt
📄 CodeRabbit Inference Engine (CLAUDE.md)
src/main/kotlin/solutions/**/*.kt: Use clear variable names that match the problem domain.
Prefer readability to clever one-liners; solutions should be easily understandable even to those new to the language and programming.
Files:
src/main/kotlin/solutions/day24/Solution.kt
🧠 Learnings (10)
📓 Common learnings
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: After solving BOTH parts of each day, you MUST automatically update the main README.md with a line for this problem, extracting the day title from puzzle.txt.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Add a detailed header comment at the top of each solution file using the specified multi-line format, explaining both the problem context and the solution approach for each part.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Only make changes to Solution.kt (and any other associated file in the same folder), SolutionTest.kt and README.md. Never modify input.txt.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/**/*.kt : Prefer readability to clever one-liners; solutions should be easily understandable even to those new to the language and programming.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Solution files should extend GenericSolution.kt and use the util classes wherever possible.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Use /* */ multi-line comments, not // single-line comments, for the header in solution files.
Learnt from: shnako
PR: shnako/advent-of-code-2024-ai#10
File: src/main/resources/solutions/day16/puzzle.txt:0-0
Timestamp: 2025-07-28T09:39:11.403Z
Learning: The puzzle.txt should contain the URL to the problem (e.g. https://adventofcode.com/2024/day/1) on the first line, followed by 1 empty line (not 2 empty lines).
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/test/kotlin/solutions/day*/SolutionTest.kt : Test files should extend GenericSolutionTest.kt and only override the result values.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/**/*.kt : Use clear variable names that match the problem domain.
📚 Learning: after solving both parts of each day, you must automatically update the main readme.md with a line f...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: After solving BOTH parts of each day, you MUST automatically update the main README.md with a line for this problem, extracting the day title from puzzle.txt.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/resources/solutions/day24/input.txtsrc/main/resources/solutions/day24/puzzle.txt
📚 Learning: the puzzle.txt should contain the url to the problem (e.g. https://adventofcode.com/2024/day/1) on t...
Learnt from: shnako
PR: shnako/advent-of-code-2024-ai#10
File: src/main/resources/solutions/day16/puzzle.txt:0-0
Timestamp: 2025-07-28T09:39:11.403Z
Learning: The puzzle.txt should contain the URL to the problem (e.g. https://adventofcode.com/2024/day/1) on the first line, followed by 1 empty line (not 2 empty lines).
Applied to files:
README.mdsrc/main/resources/solutions/day24/input.txtsrc/main/resources/solutions/day24/puzzle.txt
📚 Learning: applies to src/main/kotlin/solutions/**/*.kt : prefer readability to clever one-liners; solutions sh...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/**/*.kt : Prefer readability to clever one-liners; solutions should be easily understandable even to those new to the language and programming.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/kotlin/solutions/day24/Solution.kt
📚 Learning: applies to src/main/kotlin/solutions/day*/solution.kt : solution files should extend genericsolution...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Solution files should extend GenericSolution.kt and use the util classes wherever possible.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/kotlin/solutions/day24/Solution.kt
📚 Learning: applies to src/main/kotlin/solutions/day*/solution.kt : use /* */ multi-line comments, not // single...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Use /* */ multi-line comments, not // single-line comments, for the header in solution files.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/kotlin/solutions/day24/Solution.kt
📚 Learning: applies to src/main/kotlin/solutions/day*/solution.kt : add a detailed header comment at the top of ...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Add a detailed header comment at the top of each solution file using the specified multi-line format, explaining both the problem context and the solution approach for each part.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/resources/solutions/day24/input.txtsrc/main/kotlin/solutions/day24/Solution.kt
📚 Learning: applies to src/test/kotlin/solutions/day*/solutiontest.kt : test files should extend genericsolution...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/test/kotlin/solutions/day*/SolutionTest.kt : Test files should extend GenericSolutionTest.kt and only override the result values.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/kotlin/solutions/day24/Solution.kt
📚 Learning: only make changes to solution.kt (and any other associated file in the same folder), solutiontest.kt...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Only make changes to Solution.kt (and any other associated file in the same folder), SolutionTest.kt and README.md. Never modify input.txt.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/resources/solutions/day24/input.txtsrc/main/kotlin/solutions/day24/Solution.kt
📚 Learning: applies to src/main/kotlin/solutions/**/*.kt : use clear variable names that match the problem domai...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/**/*.kt : Use clear variable names that match the problem domain.
Applied to files:
README.mdsrc/test/kotlin/solutions/day24/SolutionTest.ktsrc/main/kotlin/solutions/day24/Solution.kt
🧬 Code Graph Analysis (1)
src/test/kotlin/solutions/day24/SolutionTest.kt (4)
src/test/kotlin/solutions/day19/SolutionTest.kt (1)
Solution(5-8)src/test/kotlin/solutions/day16/SolutionTest.kt (1)
Solution(5-8)src/test/kotlin/solutions/day15/SolutionTest.kt (1)
Solution(6-9)src/test/kotlin/solutions/day14/SolutionTest.kt (1)
Solution(5-8)
🪛 LanguageTool
src/main/resources/solutions/day24/puzzle.txt
[style] ~12-~12: Consider removing “of” to be more concise
Context: ...ng with the live system, you write down all of the gate connections and initial wire value...
(ALL_OF_THE)
[style] ~25-~25: Consider removing “of” to be more concise
Context: ...to that wire). The second section lists all of the gates and the wires connected to them. ...
(ALL_OF_THE)
🔇 Additional comments (7)
src/main/resources/solutions/day24/input.txt (1)
1-313: Input file looks correctThe input file format is appropriate for the puzzle requirements with initial wire values and gate definitions.
src/main/resources/solutions/day24/puzzle.txt (1)
1-2: Puzzle format follows guidelines correctlyThe puzzle text correctly starts with the URL followed by exactly one empty line, as per the project guidelines.
README.md (1)
28-28: README entry correctly added for Day 24The entry follows the established format and includes all required links as per project guidelines.
src/test/kotlin/solutions/day24/SolutionTest.kt (1)
1-8: Test class follows all guidelines correctlyThe test class properly extends
GenericSolutionTestand only overrides the expected result values as required.src/main/kotlin/solutions/day24/Solution.kt (3)
1-19: Header and class structure follow guidelinesThe solution correctly extends
GenericSolutionand uses the required multi-line comment format with clear explanations for both parts.
20-78: Part 1 implementation is clear and correctThe circuit simulation logic is well-structured with clear variable names matching the problem domain. The approach of repeatedly evaluating gates until all z-wires have values is correct.
529-545: Verify swap pairing logicThe
chunked(2)approach assumes the 8 wires are already ordered as swap pairs. This may not be correct - the actual swap pairs should be explicitly determined from the circuit analysis.The current implementation groups wires arbitrarily. Consider explicitly tracking which wires should be swapped with each other based on the circuit analysis rather than assuming sequential pairing.
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Actionable comments posted: 1
🧹 Nitpick comments (1)
src/main/resources/solutions/day24/puzzle.txt (1)
118-119:--- Part Two ---header is glued to the bodyAs with the day title, the Part-Two marker needs its own line for readability and for any parsers that split on that sentinel.
---- Part Two ---After inspecting the monitoring device more closely, you determine that the system you're simulating is trying to add two binary numbers. +--- Part Two --- +After inspecting the monitoring device more closely, you determine that the system you're simulating is trying to add two binary numbers.This tiny fix prevents accidental header stripping and restores visual clarity.
📜 Review details
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Review profile: CHILL
Plan: Pro
📒 Files selected for processing (1)
src/main/resources/solutions/day24/puzzle.txt(1 hunks)
🧰 Additional context used
🧠 Learnings (3)
📓 Common learnings
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: After solving BOTH parts of each day, you MUST automatically update the main README.md with a line for this problem, extracting the day title from puzzle.txt.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Add a detailed header comment at the top of each solution file using the specified multi-line format, explaining both the problem context and the solution approach for each part.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Only make changes to Solution.kt (and any other associated file in the same folder), SolutionTest.kt and README.md. Never modify input.txt.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/**/*.kt : Prefer readability to clever one-liners; solutions should be easily understandable even to those new to the language and programming.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Solution files should extend GenericSolution.kt and use the util classes wherever possible.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/day*/Solution.kt : Use /* */ multi-line comments, not // single-line comments, for the header in solution files.
Learnt from: shnako
PR: shnako/advent-of-code-2024-ai#10
File: src/main/resources/solutions/day16/puzzle.txt:0-0
Timestamp: 2025-07-28T09:39:11.403Z
Learning: The puzzle.txt should contain the URL to the problem (e.g. https://adventofcode.com/2024/day/1) on the first line, followed by 1 empty line (not 2 empty lines).
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/test/kotlin/solutions/day*/SolutionTest.kt : Test files should extend GenericSolutionTest.kt and only override the result values.
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: Applies to src/main/kotlin/solutions/**/*.kt : Use clear variable names that match the problem domain.
📚 Learning: the puzzle.txt should contain the url to the problem (e.g. https://adventofcode.com/2024/day/1) on t...
Learnt from: shnako
PR: shnako/advent-of-code-2024-ai#10
File: src/main/resources/solutions/day16/puzzle.txt:0-0
Timestamp: 2025-07-28T09:39:11.403Z
Learning: The puzzle.txt should contain the URL to the problem (e.g. https://adventofcode.com/2024/day/1) on the first line, followed by 1 empty line (not 2 empty lines).
Applied to files:
src/main/resources/solutions/day24/puzzle.txt
📚 Learning: after solving both parts of each day, you must automatically update the main readme.md with a line f...
Learnt from: CR
PR: shnako/advent-of-code-2024-ai#0
File: CLAUDE.md:0-0
Timestamp: 2025-08-06T15:58:53.789Z
Learning: After solving BOTH parts of each day, you MUST automatically update the main README.md with a line for this problem, extracting the day title from puzzle.txt.
Applied to files:
src/main/resources/solutions/day24/puzzle.txt
🪛 LanguageTool
src/main/resources/solutions/day24/puzzle.txt
[style] ~12-~12: Consider removing “of” to be more concise
Context: ...ng with the live system, you write down all of the gate connections and initial wire value...
(ALL_OF_THE)
[style] ~25-~25: Consider removing “of” to be more concise
Context: ...to that wire). The second section lists all of the gates and the wires connected to them. ...
(ALL_OF_THE)
⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)
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Comment on lines
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| --- Day 24: Crossed Wires --- | ||
| --- Day 24: Crossed Wires ---You and The Historians arrive at the edge of a large grove somewhere in the jungle. After the last incident, the Elves installed a small device that monitors the fruit. While The Historians search the grove, one of them asks if you can take a look at the monitoring device; apparently, it's been malfunctioning recently. | ||
| The device seems to be trying to produce a number through some boolean logic gates. Each gate has two inputs and one output. The gates all operate on values that are either true (1) or false (0). |
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🛠️ Refactor suggestion
Duplicate header & missing newline breaks formatting and downstream parsing
The header is written twice and the second occurrence is concatenated with paragraph text, so tools (and humans) trying to extract the day title or render the markdown mis-interpret the content.
---- Day 24: Crossed Wires ---
---- Day 24: Crossed Wires ---You and The Historians arrive at the edge ...
+--- Day 24: Crossed Wires ---
+
+You and The Historians arrive at the edge ...Cleaning this up keeps the file consistent with previous days and protects the README auto-update script that relies on a single, well-formed title line.
Committable suggestion skipped: line range outside the PR's diff.
🤖 Prompt for AI Agents
In src/main/resources/solutions/day24/puzzle.txt around lines 3 to 5, remove the
duplicated header line and ensure there is a newline separating the header from
the paragraph text. This will fix the formatting by having a single header line
followed by a properly separated paragraph, maintaining consistency and
preventing parsing issues.
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