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2018 d3 all by myself

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Tristan 2018-12-03 08:12:12 +00:00
parent d511a492e1
commit 574a532298
3 changed files with 1304 additions and 0 deletions
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1259
2018/3/input.txt Normal file
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2018/3/part1.js Normal file
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const fs = require('fs');
let input = fs.readFileSync('input.txt', 'utf-8');
let grid = {};
for (const line of input.split('\n')) {
[rule,
id,
left,
top,
width,
height] = line.match(/#(\d+) @ (\d+),(\d+): (\d+)x(\d+)/).map(Number);
for (let x = left; x < left + width; x++) {
for (let y = top; y < top + height; y++) {
grid[`${x},${y}`] = (grid[`${x},${y}`] || 0) + 1;
}
}
}
console.log(Object.values(grid).filter(v => v > 1).length);

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2018/3/part2.js Normal file
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const fs = require('fs');
let input = fs.readFileSync('input.txt', 'utf-8');
let grid = {};
let claims = []
for (let line of input.split('\n')) {
[rule,
id,
left,
top,
width,
height] = line.match(/#(\d+) @ (\d+),(\d+): (\d+)x(\d+)/).map(Number);
claims[id] = true;
for (let x = left; x < left + width; x++) {
for (let y = top; y < top + height; y++) {
if (grid[`${x},${y}`]) {
claims[grid[`${x},${y}`]] = false;
claims[id] = false;
}
grid[`${x},${y}`] = id;
}
}
}
console.log(Object.entries(claims).filter(v => v[1])[0][0]);