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2 Commits
742f35b73e
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04ae9d47ef
Author | SHA1 | Date | |
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04ae9d47ef | |||
25be019d72 |
@ -16,5 +16,5 @@ fn part1() {
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fn part2() {
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let root = env!("CARGO_MANIFEST_DIR");
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let content = fs::read_to_string(format!("{root}/resources/7_input.txt")).unwrap();
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println!("{:#?}", d7::process_part2(&content));
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println!("{}", d7::process_part2(&content).get("a").unwrap());
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}
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@ -9,7 +9,7 @@ pub fn process_part1(input: &str) -> HashMap<String, u16> {
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instructions.insert(wire.to_string(), expression.to_string());
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}
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for wire in instructions.keys() {
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set_wire(wire.to_owned(), &mut wires, &instructions);
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set_wire(wire.to_string(), &mut wires, &instructions);
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}
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wires
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}
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@ -39,7 +39,7 @@ fn set_wire(
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if parts.len() == 2 {
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let value = set_wire(parts[1].clone(), wires, instructions);
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wires.insert(wire, !value);
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return value;
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return !value;
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}
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if parts.len() == 3 {
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let left = match parts[0].parse::<u16>() {
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@ -81,7 +81,24 @@ fn set_wire(
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panic!("Should not happen");
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}
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pub fn process_part2(_input: &str) {}
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pub fn process_part2(input: &str) -> HashMap<String, u16> {
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let mut wires = HashMap::new();
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let mut instructions = HashMap::new();
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for instruction in input.lines() {
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let (expression, wire) = instruction.split_once(" -> ").unwrap();
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instructions.insert(wire.to_string(), expression.to_string());
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}
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for wire in instructions.keys() {
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set_wire(wire.to_string(), &mut wires, &instructions);
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}
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let new_b = wires.get("a").unwrap();
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instructions.insert("b".to_string(), new_b.to_string());
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let mut wires = HashMap::new();
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for wire in instructions.keys() {
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set_wire(wire.to_string(), &mut wires, &instructions);
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}
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wires
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}
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#[cfg(test)]
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mod tests_7 {
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