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completed day04 (ugly!)
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‎2020/day01.html‎

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<!DOCTYPE html>
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<html lang="en-us">
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<head>
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<title>C:\Users\ppeterlongo\repos\adventofnim\2020\day01.html</title>
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<title>c:\Users\ppeterlongo\repos\adventofnim\2020\day01.html</title>
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<!-- https://css-tricks.com/emojis-as-favicons/ changed font-size to 80 to fit whale-->
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2280%22>🐳</text></svg>">
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<meta content="text/html; charset=utf-8" http-equiv="content-type">

‎2020/day02.html‎

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<!DOCTYPE html>
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<html lang="en-us">
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<head>
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<title>C:\Users\ppeterlongo\repos\adventofnim\2020\day02.html</title>
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<title>c:\Users\ppeterlongo\repos\adventofnim\2020\day02.html</title>
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<!-- https://css-tricks.com/emojis-as-favicons/ changed font-size to 80 to fit whale-->
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2280%22>🐳</text></svg>">
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<meta content="text/html; charset=utf-8" http-equiv="content-type">

‎2020/day03.html‎

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<!DOCTYPE html>
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<html lang="en-us">
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<head>
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<title>c:\Users\ppeterlongo\repos\adventofnim\2020\day03.html</title>
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<title>C:\Users\ppeterlongo\repos\adventofnim\2020\day03.html</title>
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<!-- https://css-tricks.com/emojis-as-favicons/ changed font-size to 80 to fit whale-->
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2280%22>🐳</text></svg>">
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<meta content="text/html; charset=utf-8" http-equiv="content-type">
@@ -198,6 +198,46 @@ <h2>--- Part 2 ---</h2>
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echo "part2: ", part2</code></pre>
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<pre><samp>part2: 3952146825</samp></pre>
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<p>That's the right answer! You are <em class="star">one gold star</em> closer to saving your vacation.</p>
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<h1>Visualizations</h1>
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<p>I want to try to take advantage of the fact that I output html.</p>
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<p>I will reproduce the explantory design showing the ride through the example.</p>
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<pre><code class="nim">proc show(m: StrideMap; r: Ride; repeat = 6) =
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var line = ""
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var
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i = 0
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j = 0
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p: Point = r.path[j]
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c: char
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for y in 0 ..< m.height:
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for x in 0 ..< m.stride:
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line.add m.data[i]
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inc i
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line = line.repeat(repeat)
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if y == p.y:
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c = if m[p] == '.':
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'O' else:
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'X'
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line = line[0 ..< p.x] & "<em>" & $c & "</em>" & line[p.x + 1 .. ^1]
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inc j
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if j < r.path.len:
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p = r.path[j]
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echo line
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line = ""
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show(map0, ride0)
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echo map1.shape</code></pre>
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<pre><samp>..##.........##.........##.........##.........##.........##.......
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#..<em>O</em>#...#..#...#...#..#...#...#..#...#...#..#...#...#..#...#...#..
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.#....<em>X</em>..#..#....#..#..#....#..#..#....#..#..#....#..#..#....#..#.
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..#.#...#<em>O</em>#..#.#...#.#..#.#...#.#..#.#...#.#..#.#...#.#..#.#...#.#
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.#...##..#..<em>X</em>...##..#..#...##..#..#...##..#..#...##..#..#...##..#.
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..#.##.......#.<em>X</em>#.......#.##.......#.##.......#.##.......#.##.....
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.#.#.#....#.#.#.#.<em>O</em>..#.#.#.#....#.#.#.#....#.#.#.#....#.#.#.#....#
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.#........#.#........<em>X</em>.#........#.#........#.#........#.#........#
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#.##...#...#.##...#...#.<em>X</em>#...#...#.##...#...#.##...#...#.##...#...
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#...##....##...##....##...#<em>X</em>....##...##....##...##....##...##....#
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.#..#...#.#.#..#...#.#.#..#...<em>X</em>.#.#..#...#.#.#..#...#.#.#..#...#.#
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(stride: 31, height: 323)</samp></pre>
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</main>
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</body>

‎2020/day03.nim‎

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gotTheStar
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nbText: "# Visualizations"
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nbText: """I want to try to take advantage of the fact that I output html.
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I will reproduce the explantory design showing the ride through the example.
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"""
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nbCode:
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proc show(m: StrideMap, r: Ride, repeat=6) =
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var line = ""
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var
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i = 0
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j = 0
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p: Point = r.path[j]
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c: char
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for y in 0 ..< m.height:
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for x in 0 ..< m.stride:
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line.add m.data[i]
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inc i
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line = line.repeat(repeat)
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if y == p.y:
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c = if m[p] == '.': 'O' else: 'X'
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line = line[0 ..< p.x] & "<em>" & $c & "</em>" & line[p.x + 1 .. ^1]
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inc j
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if j < r.path.len:
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p = r.path[j]
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echo line
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line = ""
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show(map0, ride0)
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echo map1.shape
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# hey: nbBlock is not available! I need to inject it!!
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# nbBlock.output = "<span style=\"\">" & nbBlock.output & "</span>"
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nbSave

‎2020/day04.html‎

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<!DOCTYPE html>
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<html lang="en-us">
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<head>
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<title>C:\Users\ppeterlongo\repos\adventofnim\2020\day04.html</title>
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<!-- https://css-tricks.com/emojis-as-favicons/ changed font-size to 80 to fit whale-->
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2280%22>🐳</text></svg>">
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<meta content="text/html; charset=utf-8" http-equiv="content-type">
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<meta content="width=device-width, initial-scale=1" name="viewport">
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<link rel='stylesheet' href='https://unpkg.com/normalize.css/'>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kognise/water.css@latest/dist/light.min.css">
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<link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:300&subset=latin,latin-ext" rel="stylesheet" type="text/css">
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<style>
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body, code, samp {
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font-family: "Source Code Pro", monospace;
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}
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body {
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background: #0f0f23;
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color: #cccccc;
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}
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h1, h2, h3, h4, h5, h6, strong {
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color: #ffffff;
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font-size: 1em;
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font-weight: normal;
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}
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pre code {
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background: #10101a;
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color: #cccccc;
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border-radius: 0px;
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border-left: 1px solid #ffc200;
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padding-top: 0px;
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padding-bottom: 0px;
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position: relative;
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left: -2px;
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}
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samp {
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position: relative;
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display: inline-block;
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margin: 0;
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padding: 0;
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}
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samp:before {
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z-index: -1;
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content: "";
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position: absolute;
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display: block;
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left: -2px;
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right: -2px;
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top: 3px;
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bottom: 0px;
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border: 1px solid #333340;
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background: #10101a;
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}
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a {
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text-decoration: none;
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color: #009900;
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}
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a:hover {
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color: #99ff99;
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}
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em {
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color: #ffffff;
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font-style: normal;
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text-shadow: 0 0 5px #ffffff;
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}
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em.star {
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color: #ffff66;
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text-shadow: 0 0 5px #ffff66;
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}
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code {
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border-radius: 0px;
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border-left: 1px solid #ffc200;
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}
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pre code {
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padding-top: 0px;
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padding-bottom: 0px;
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position: relative;
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left: -2px;
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}
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</style>
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</head>
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<body>
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<header><nav><em class="star"><a href="https://pietroppeter.github.io/adventofnim/index.html">🎄👑 adventofnim</a></em></header><main>
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<h1>--- Day 4: Passport Processing ---</h1>
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<p>I came with such an ugly solution that now I really <em>have to learn regexs</em> for good</p>
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<pre><code class="nim">type
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PassField = enum
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byr, iyr, eyr, hgt, hcl, ecl, pid, cid
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PassPort = Table[PassField, string]
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Input = distinct string
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let
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input = "2020/input04.txt".readFile.Input
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example = """ecl:gry pid:860033327 eyr:2020 hcl:#fffffd
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byr:1937 iyr:2017 cid:147 hgt:183cm
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iyr:2013 ecl:amb cid:350 eyr:2023 pid:028048884
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hcl:#cfa07d byr:1929
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hcl:#ae17e1 iyr:2013
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eyr:2024
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ecl:brn pid:760753108 byr:1931
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hgt:179cm
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hcl:#cfa07d eyr:2025 pid:166559648
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iyr:2011 ecl:brn hgt:59in""".Input
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proc parse(line: string): seq[tuple[f: PassField, s: string]] =
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for s in line.split:
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if s == "":
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continue
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let t = s.split(':')
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result.add (parseEnum[PassField](t[0]), t[1])
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proc parse(batch: Input): seq[PassPort] =
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var p: PassPort
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p = initTable[PassField, string]()
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for line in batch.string.splitLines:
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if line.len == 0:
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result.add p
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p = initTable[PassField, string]()
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for v in line.strip.parse:
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p[v.f] = v.s
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result.add p
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proc isValid(p: PassPort): bool =
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p.len == 8 or (p.len == 7 and cid notIn p)
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proc countValid(s: seq[PassPort]): int =
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for p in s:
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if p.isValid:
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inc result
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let
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pass0 = example.parse
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pass1 = input.parse
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echo pass0.countValid
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echo pass1.countValid</code></pre>
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<pre><samp>2
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216</samp></pre>
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<p>That's the right answer! You are <em class="star">one gold star</em> closer to saving your vacation.</p>
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<pre><code class="nim">const
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colors = "amb blu brn gry grn hzl oth".split()
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proc validHgt(s: string): bool =
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var num: BiggestInt
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if s.endsWith("cm"):
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parseBiggestInt(s[0 .. ^3], num) != 0 and num >= 150 and num <= 193
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elif s.endsWith("in"):
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parseBiggestInt(s[0 .. ^3], num) != 0 and num >= 59 and num <= 76
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else:
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false
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template myEcho(s: string) =
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discard
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proc isGood(p: PassPort): bool =
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if not p.isValid:
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return false
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var num: BiggestInt
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myEcho $p
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if parseBiggestInt(p[byr], num) != 4 or num < 1920 or num > 2002:
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myEcho "invalid p[byr] " & p[byr]
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return false
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myEcho "valid p[byr] " & p[byr]
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if parseBiggestInt(p[iyr], num) != 4 or num < 2010 or num > 2020:
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myEcho "invalid p[iyr] " & p[iyr]
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return false
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myEcho "valid p[iyr] " & p[iyr]
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if parseBiggestInt(p[eyr], num) != 4 or num < 2020 or num > 2030:
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myEcho "invalid p[eyr] " & p[eyr]
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return false
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myEcho "valid p[eyr] " & p[eyr]
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if p[ecl] notIn colors:
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myEcho "invalid p[ecl] " & p[ecl]
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return false
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myEcho "valid p[ecl] " & p[ecl]
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var color: string
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if not p[hcl].startsWith("#") or p[hcl].len != 7 or
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p[hcl].parseWhile(color, {'0' .. '9', 'a' .. 'f'}, start = 1) != 6:
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myEcho "invalid p[hcl] " & p[hcl]
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return false
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myEcho "valid p[hcl] " & p[hcl]
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if not (p[hgt].validHgt):
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myEcho "invalid p[hgt] " & p[hgt]
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return false
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myEcho "valid p[hgt] " & p[hgt]
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var digits: string
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if p[pid].parseWhile(digits, {'0' .. '9'}) != 9:
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myEcho "invalid p[pid] " & p[pid]
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return false
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myEcho "valid p[pid] " & p[pid]
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myEcho "ALLGOOD"
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return true
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proc countGood(s: seq[PassPort]): int =
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for p in s:
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if p.isGood:
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inc result
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echo pass0.countGood
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echo pass1.countGood</code></pre>
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<pre><samp>2
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150</samp></pre>
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<p>That's the right answer! You are <em class="star">one gold star</em> closer to saving your vacation.</p>
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</main>
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</body>
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</html>

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