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2020 day 3 - feels good to be back

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tristan 2020-12-03 21:33:25 +00:00
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const fs = require('fs');
const data = fs.readFileSync('input.txt', 'utf-8');
const lines = data.split('\n');
const width = lines[0].length
// lets do it recursively why not
function trees(x, y, slopex, slopey) {
// escape case : bottom row
if (y >= lines.length - 1) {
return lines[y][x % width]=="#"
}
// haha javascript bool to int type casting go brrr
return (lines[y][x % width]=="#") + trees(x+slopex, y+slopey, slopex, slopey)
}
console.log(trees(0,0,3,1))

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const fs = require('fs');
const data = fs.readFileSync('input.txt', 'utf-8');
const lines = data.split('\n');
console.log()
const width = lines[0].length
// lets do it recursively why not
function trees(x, y, slopex, slopey) {
// escape case : bottom row
if (y >= lines.length - 1) {
return lines[y][x % width]=="#"
}
// haha javascript bool to int type casting go brrr
return (lines[y][x % width]=="#") + trees(x+slopex, y+slopey, slopex, slopey)
}
// got lucky with this star lol
console.log(trees(0,0,1,1)
*trees(0,0,3,1)
*trees(0,0,5,1)
*trees(0,0,7,1)
*trees(0,0,1,2))

14
README.md
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@ -31,6 +31,20 @@ if (advent) {
11. [:star: :star:](https://adventofcode.com/2018/day/11 "see puzzle") 11. [:star: :star:](https://adventofcode.com/2018/day/11 "see puzzle")
12. [:star: :star:](https://adventofcode.com/2018/day/12 "see puzzle") 12. [:star: :star:](https://adventofcode.com/2018/day/12 "see puzzle")
#### [2019](https://adventofcode.com/2019 "2019 puzzle calendar")
1. [:star: :star:](https://adventofcode.com/2019/day/1 "see puzzle")
2. [:star: :star:](https://adventofcode.com/2019/day/2 "see puzzle")
3. [:star: :star:](https://adventofcode.com/2019/day/3 "see puzzle")
4. [:star: :star:](https://adventofcode.com/2019/day/4 "see puzzle")
5. [:star: :star:](https://adventofcode.com/2019/day/5 "see puzzle")
6. [:star: :star:](https://adventofcode.com/2019/day/6 "see puzzle")
7. [:star: :star:](https://adventofcode.com/2019/day/7 "see puzzle")
#### [2020](https://adventofcode.com/2020 "2020 puzzle calendar")
1. [:star: :star:](https://adventofcode.com/2020/day/1 "see puzzle")
2. [:star: :star:](https://adventofcode.com/2020/day/2 "see puzzle")
3. [:star: :star:](https://adventofcode.com/2020/day/3 "see puzzle")
## Languages Used ## Languages Used
* Python * Python
- py - py