81 lines
2.7 KiB
C#
81 lines
2.7 KiB
C#
namespace AoC24;
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using AoC24.Common;
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using AoCLevelInputProvider;
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using Parsing;
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using Parsing.Schema;
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using Parsing.Tokenization;
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public class Level3Solver : FragmentLevelSolverBase
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{
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public override int LevelNumber
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{
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get { return 3; }
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}
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protected override FragmentSchemaBuilder DefineInputSchema(FragmentSchemaBuilder schemaBuilder)
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{
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return schemaBuilder
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.StartOptions()
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.Option()
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.Expect("mul(")
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.Expect(InputType.Integer, "num1")
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.Expect(",")
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.Expect(InputType.Integer, "num2")
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.Expect(")")
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.Option()
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.Expect("do()", "on")
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.Option()
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.Expect("don't()", "off")
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.EndOptions();
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}
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public override string SolveFirstStar()
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{
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return this.GetData()
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.AsFragments()
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.ConvertAll((Fragment f) =>
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{
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if(!f.ContainsKey("num1") || f["num1"].Count == 0)
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{
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return 0;
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}
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int numProd = int.Parse(f["num1"][0]);
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numProd *= int.Parse(f["num2"][0]);
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return numProd;
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})
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.ReduceData((int num1, int num2) => num1 + num2)
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.ToString();
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}
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public override string SolveSecondStar()
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{
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bool isOn = true;
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return this.GetData()
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.AsFragments()
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.ConvertAll((Fragment f) =>
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{
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if(f["on"].Count > 0)
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{
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isOn = true;
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return 0;
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}
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if(f["off"].Count > 0)
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{
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isOn = false;
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return 0;
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}
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if(!isOn)
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{
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return 0;
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}
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int numProd = int.Parse(f["num1"][0]);
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numProd *= int.Parse(f["num2"][0]) ;
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return numProd;
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})
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.ReduceData((int num1, int num2) => num1 + num2)
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.ToString();
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}
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}
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