Cleaned up Day1Solution and added unit tests for Day1Solution.
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@ -16,38 +16,47 @@ namespace AoC2018.Solutions
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public override void Run()
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{
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string[] input = File.ReadAllLines(Path.Combine("Input", "Day1Input.txt"));
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Dictionary<int, int> frequencyOccurrences = new Dictionary<int, int>();
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int part1Result = 0, part2Result = 0;
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bool part2Flag = false;
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Console.WriteLine($"Part 1 Result: {CalculatePart1(input)}");
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Console.WriteLine($"Part 2 Result: {CalculatePart2(input)}");
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}
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public int CalculatePart1(string[] input)
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{
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int sum = 0;
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for (var i = 0; i < input.Length; i++)
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{
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part1Result += int.Parse(input[i]);
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}
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Console.WriteLine($"Part 1 Result: {part1Result}");
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sum += int.Parse(input[i]);
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part1Result = 0;
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while (!part2Flag)
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return sum;
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}
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public int CalculatePart2(string[] input)
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{
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Dictionary<int, int> frequencyOccurrences = new Dictionary<int, int>();
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int sum = 0, result = 0;
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bool foundResult = false;
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frequencyOccurrences.Add(0, 1);
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while (!foundResult)
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{
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for (var i = 0; i < input.Length; i++)
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foreach (var s in input)
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{
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part1Result += int.Parse(input[i]);
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sum += int.Parse(s);
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if (!frequencyOccurrences.ContainsKey(part1Result))
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frequencyOccurrences.Add(part1Result, 0);
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if (!frequencyOccurrences.ContainsKey(sum))
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frequencyOccurrences.Add(sum, 0);
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frequencyOccurrences[part1Result]++;
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if (frequencyOccurrences[part1Result] > 1)
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if (++frequencyOccurrences[sum] > 1)
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{
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part2Flag = true;
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part2Result = part1Result;
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foundResult = true;
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result = sum;
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break;
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}
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}
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}
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Console.WriteLine($"Part 2 Result: {part2Result}");
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return result;
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}
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}
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}
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@ -14,4 +14,8 @@
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<ProjectReference Include="..\AoC2018\AoC2018.csproj" />
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</ItemGroup>
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<ItemGroup>
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<Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
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</ItemGroup>
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</Project>
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@ -0,0 +1,73 @@
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using System;
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using System.Collections.Generic;
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using System.Text;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using AoC2018.Solutions;
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namespace AoC2018Test.Solutions
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{
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[TestClass]
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public class Day1SolutionTests
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{
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[TestMethod]
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public void TestPart1()
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{
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Day1Solution target = new Day1Solution();
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// Example 1
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var result = target.CalculatePart1(new string[]
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{
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"+1", "+1", "+1"
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});
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Assert.AreEqual(3, result);
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// Example 2
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result = target.CalculatePart1(new string[]
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{
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"+1", "+1", "-2"
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});
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Assert.AreEqual(0, result);
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// Example 3
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result = target.CalculatePart1(new string[]
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{
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"-1", "-2", "-3"
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});
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Assert.AreEqual(-6, result);
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}
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[TestMethod]
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public void TestPart2()
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{
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Day1Solution target = new Day1Solution();
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// Example 1
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var result = target.CalculatePart2(new string[]
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{
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"+1", "-1"
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});
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Assert.AreEqual(0, result);
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// Example 2
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result = target.CalculatePart2(new string[]
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{
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"+3", "+3", "+4", "-2", "-4"
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});
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Assert.AreEqual(10, result);
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// Example 3
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result = target.CalculatePart2(new string[]
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{
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"-6", "+3", "+8", "+5", "-6"
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});
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Assert.AreEqual(5, result);
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// Example 4
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result = target.CalculatePart2(new string[]
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{
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"+7", "+7", "-2", "-7", "-4"
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});
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Assert.AreEqual(14, result);
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}
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}
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}
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@ -1,14 +0,0 @@
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using System;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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namespace AoC2018Test
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{
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[TestClass]
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public class UnitTest1
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{
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[TestMethod]
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public void TestMethod1()
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{
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}
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}
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}
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