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AdventOfCode
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[2022] Day4 added

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Tiago Garcia 2023-06-07 23:28:51 +01:00
parent 41d4667ca8
commit a496112b25
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2 changed files with 51 additions and 0 deletions
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1
AdventOfCode/Program.cs
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@ -9,6 +9,7 @@ class Program
new Day1();
new Day2();
new Day3();
new Day4();
new Day7();
}
}

50
AdventOfCode/Year2022/Day4.cs Normal file
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@ -0,0 +1,50 @@
namespace AdventOfCode.Year2022;
public class Day4
{
public Day4()
{
Console.WriteLine("Day4 Solution\n");
string[] lines = File.ReadAllLines("inputs/day4.txt");
int containedCount = 0;
int intersectedCount = 0;
foreach (string line in lines)
{
if (IsContained(line))
containedCount++;
if (IsIntersected(line))
intersectedCount++;
}
Console.WriteLine($"Part1\nResult: {containedCount}\n");
Console.WriteLine($"Part2\nResult: {intersectedCount}\n");
Console.WriteLine("=============================\n");
}
public static bool IsContained(string line)
{
int[][] limits = GetLimits(line);
return (limits[0][0] >= limits[1][0] && limits[0][1] <= limits[1][1])
|| (limits[1][0] >= limits[0][0] && limits[1][1] <= limits[0][1]);
}
public static bool IsIntersected(string line)
{
int[][] limits = GetLimits(line);
return (limits[0][1] >= limits[1][0] && limits[0][0] <= limits[1][1])
|| (limits[1][1] >= limits[0][0] && limits[1][0] <= limits[0][1]);
}
public static int[][] GetLimits(string line)
{
string[] pair = line.Split(",");
string[] pair1 = pair[0].Split("-");
string[] pair2 = pair[1].Split("-");
return new []
{
new [] {Convert.ToInt32(pair1[0]), Convert.ToInt32(pair1[1])},
new [] {Convert.ToInt32(pair2[0]), Convert.ToInt32(pair2[1])}
};
}
}