21 lines
594 B
C#
21 lines
594 B
C#
namespace aoc2021;
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/// <summary>
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/// Day 1: <see href="https://adventofcode.com/2021/day/1"/>
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/// </summary>
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public sealed class Day01 : Day
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{
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private readonly List<int> _readings;
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public Day01() : base(1, "Sonar Sweep")
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{
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_readings = Input.Select(int.Parse).ToList();
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}
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public override string Part1() =>
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Enumerable.Range(0, _readings.Count - 1).Count(i => _readings[i + 1] > _readings[i]).ToString();
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public override string Part2() =>
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Enumerable.Range(0, _readings.Count - 3).Count(i => _readings[i + 3] > _readings[i]).ToString();
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}
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