2020 day 3 - feels good to be back
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2020/03/input.txt
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18
2020/03/part1.js
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const fs = require('fs');
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const data = fs.readFileSync('input.txt', 'utf-8');
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const lines = data.split('\n');
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const width = lines[0].length
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// lets do it recursively why not
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function trees(x, y, slopex, slopey) {
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// escape case : bottom row
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if (y >= lines.length - 1) {
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return lines[y][x % width]=="#"
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}
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// haha javascript bool to int type casting go brrr
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return (lines[y][x % width]=="#") + trees(x+slopex, y+slopey, slopex, slopey)
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}
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console.log(trees(0,0,3,1))
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23
2020/03/part2.js
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2020/03/part2.js
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const fs = require('fs');
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const data = fs.readFileSync('input.txt', 'utf-8');
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const lines = data.split('\n');
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console.log()
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const width = lines[0].length
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// lets do it recursively why not
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function trees(x, y, slopex, slopey) {
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// escape case : bottom row
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if (y >= lines.length - 1) {
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return lines[y][x % width]=="#"
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}
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// haha javascript bool to int type casting go brrr
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return (lines[y][x % width]=="#") + trees(x+slopex, y+slopey, slopex, slopey)
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}
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// got lucky with this star lol
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console.log(trees(0,0,1,1)
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*trees(0,0,3,1)
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*trees(0,0,5,1)
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*trees(0,0,7,1)
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*trees(0,0,1,2))
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14
README.md
14
README.md
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11. [:star: :star:](https://adventofcode.com/2018/day/11 "see puzzle")
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12. [:star: :star:](https://adventofcode.com/2018/day/12 "see puzzle")
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#### [2019](https://adventofcode.com/2019 "2019 puzzle calendar")
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1. [:star: :star:](https://adventofcode.com/2019/day/1 "see puzzle")
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2. [:star: :star:](https://adventofcode.com/2019/day/2 "see puzzle")
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3. [:star: :star:](https://adventofcode.com/2019/day/3 "see puzzle")
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4. [:star: :star:](https://adventofcode.com/2019/day/4 "see puzzle")
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5. [:star: :star:](https://adventofcode.com/2019/day/5 "see puzzle")
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6. [:star: :star:](https://adventofcode.com/2019/day/6 "see puzzle")
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7. [:star: :star:](https://adventofcode.com/2019/day/7 "see puzzle")
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#### [2020](https://adventofcode.com/2020 "2020 puzzle calendar")
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1. [:star: :star:](https://adventofcode.com/2020/day/1 "see puzzle")
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2. [:star: :star:](https://adventofcode.com/2020/day/2 "see puzzle")
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3. [:star: :star:](https://adventofcode.com/2020/day/3 "see puzzle")
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## Languages Used
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* Python
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- py
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