59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
using System;
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using System.IO;
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namespace AOC2015
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{
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class Day2Solution : Solution
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{
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public override int Day => 2;
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public override string Name => "Day 2: I Was Told There Would Be No Math";
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public override void Run()
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{
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string[] input = File.ReadAllLines("Input\\Day2Input.txt");
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Console.WriteLine($"Part 1 Answer Example 1: {Part1(new string[] { "2x3x4" })}");
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Console.WriteLine($"Part 1 Answer Example 2: {Part1(new string[] { "1x1x10" })}");
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Console.WriteLine($"Part 1 Answer: {Part1(input)}");
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Console.WriteLine($"Part 2 Answer Example 1: {Part2(new string[] { "2x3x4" })}");
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Console.WriteLine($"Part 2 Answer Example 2: {Part2(new string[] { "1x1x10" })}");
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Console.WriteLine($"Part 2 Answer: {Part2(input)}");
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}
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private int Part1(string[] input)
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{
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int result = 0;
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for (int i = 0; i < input.Length; i++)
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{
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int[] args = Array.ConvertAll(input[i].Split('x'), s => int.Parse(s));
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int length = args[0], width = args[1], height = args[2];
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int area = 2 * length * width + 2 * width * height + 2 * height * length;
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int extra = Math.Min(length * width, Math.Min(width * height, height * length));
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result += area + extra;
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}
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return result;
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}
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private int Part2(string[] input)
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{
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int result = 0;
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for (int i = 0; i < input.Length; i++)
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{
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int[] args = Array.ConvertAll(input[i].Split('x'), s => int.Parse(s));
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int length = args[0], width = args[1], height = args[2];
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int ribbonLength = Math.Min(length * 2 + width * 2, Math.Min(width * 2 + height * 2, length * 2 + height * 2));
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int bowLength = length * width * height;
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result += ribbonLength + bowLength;
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}
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return result;
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}
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}
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} |