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Merge pull request #133 from amclin/feat/2020-day-11
build(2020-day-11): stub out day 11
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| // eslint-disable-next-line no-unused-vars | ||
| const console = require('../helpers') | ||
| require('./solution') |
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| LLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLL.LLLLLLLL..LLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLL.LL.LLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLL.LLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| ...L.L......L...L..L...L..LL.....L.....L..LLLL..L.LL......LL....L..L.L..L....L.LL....LL..L..L | ||
| LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLL.LLLLLL.LLLL.LLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLL.LLL..LLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLL.LLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL..LLLLLLLLLLLLLLLLL.LLLLLLLL.LLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLLLLL.LLLLLLLLLLLLL | ||
| LLLL.LLLLL.LLLL.LLL.LLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| .....L.LLLL....LL..L...LLL.L.LL..LL.L........L....LL...L...L...L.LL....LL...L..L.....LL.L.... | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LL.LLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLL.LL.LLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL..LLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLL.LLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLL.LLLL.LLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL..LLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLLLLLLLL.LLLLL.LL.LLLLLLLLLL | ||
| ...L......L....L....L......L.L.....L..L.L.L..L.L...LLL.....LLLL.L.......LL.LLL.L.LL....L..... | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LL.LLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLL.L.LLLL.LLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LL.L.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLL | ||
| ...LL..........L..LLLLL...L.L..........L........L.LL..L..L.LLL.L..L.L.....LL...LL....L..L.L.. | ||
| LLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLL.LLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLL..LLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLL.LLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLL.LLL.LLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLL.LLLLL..LLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLL..L.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| ..LLLL.LL....LLL..L...L..L..L.......L..L...L.L...L..LL.L.L.L.L...L...L.L.L.L.L......LL...L..L | ||
| LLLLLLLLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLL.LLLLLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLL.LLL.LLLLLLLL.L.LLLLLL.LLLL.LLLL.LLLLLLLL.LLLL.LLLLLL.LLLLLL..LLLLLL.LLL | ||
| ..L...L...L...L..L....L...LL.L.L.L..LL...........LLL.L......L..L.....LL..L..LLL........L....L | ||
| LLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLL.LLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLLLL.LLLLLLL.LLLLLLLL.LLLLLLLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLLL.LLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLL | ||
| LLLLLLL.LL.LLLL.LLLLLLL.L.LLLLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLL.L.LLLL.LLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LL.L.LLLLL | ||
| ..L.L.LL....L....L..L....L.L...L..L..L.L.....L..L...L.LL.....L...............L..............L | ||
| LLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LL.L.LLLL.LLL.LLLL.LLLLL.LL.LLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LL.L.LLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLL.LL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| L.L.....L.L.L.LL.L......LLL.....L.L.L........L....LL.......L....L.....L....LL..L...LLL......L | ||
| LLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLLL.L.LLLL.LLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLL.LLLLLL.LLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL..LLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLL.LLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| ...L...L.....L....L.L..........L..L.L..L..L..LL.L..L.......L.......L....L....L...LLL..L..L..L | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLL.LLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLL | ||
| ..LLL....L.LL....L..............LLL......LL.LLL.....LL..L.L..L........L......L...L.LL..LL..L. | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLL.LLL..LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| L.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLL.LLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLL.LLL...LLLLLLLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLLLLLLLLLLLL..LLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLL.LLLL.LLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLL.LLLL.LLL.LLLLL.LLLLLLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLL.LLLLLLLLLL.LLLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL | ||
| L...L.LL......L...LLLLLL.L.L.L...L.L..L..L.LL....L......LL..L...LLL....L...LL......L......... | ||
| LLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLLL | ||
| LLLLLLLLLL.LLL..LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLL.LLLLLL.LLLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LLLLLLL.LLLLLLLLLLLLLLLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLL.LLLLLLLLL.LLLLLLLL.LLLLLLLLLL.LLLLLLLLLLLLLL.LLLL | ||
| LLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLLLL |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
|
|
||
| const parse = (data) => { | ||
| return data.split('\n').map((row) => { | ||
| return row.split('') | ||
| }) | ||
| } | ||
|
|
||
| const format = (seatMap) => { | ||
| return seatMap.map((row) => row.join('')).join('\n') | ||
| } | ||
|
|
||
| const occupiedLineOfSite = ({ x, y, seatMap }) => { | ||
| let occupied = 0 | ||
| const look = ({ lookX, lookY, dirX, dirY }) => { | ||
| if (lookY < 0 || lookY >= seatMap.length) { | ||
| // exceeded rows space | ||
| return 'x' | ||
| } | ||
| if (lookX < 0 || lookX >= seatMap[0].length) { | ||
| // exceeded column space | ||
| return 'x' | ||
| } | ||
| // Find the first seat in the direction, recursively | ||
| if (seatMap[lookY][lookX] !== '.') { | ||
| return seatMap[lookY][lookX] | ||
| } | ||
|
|
||
| // Recursively look in the next seat in this direction | ||
| return look({ lookX: lookX + dirX, lookY: lookY + dirY, dirX, dirY }) | ||
| } | ||
|
|
||
| // 8 compass point directions | ||
| for (let dirX = -1; dirX <= 1; dirX++) { | ||
| for (let dirY = -1; dirY <= 1; dirY++) { | ||
| if (look({ lookX: x + dirX, lookY: y + dirY, dirX, dirY }) === '#') { | ||
| occupied++ | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return occupied | ||
| } | ||
|
|
||
| const occupiedNearby = ({ x, y, seatMap }) => { | ||
| let temp = '' | ||
|
|
||
| for (let row = y - 1; row <= y + 1; row++) { | ||
| for (let col = x - 1; col <= x + 1; col++) { | ||
| try { | ||
| temp += seatMap[row][col] || '-' | ||
| } catch { | ||
| temp += '-' | ||
| } | ||
| } | ||
| temp += '\n' | ||
| } | ||
| const occupied = (temp.match(/#/g) || []).length | ||
|
|
||
| // console.debug(temp) | ||
| // console.debug(`------${occupied}------------`) | ||
| return occupied | ||
| } | ||
|
|
||
| const advance = (seatMap, rules) => { | ||
| return seatMap.map((row, y) => { | ||
| return row.map((col, x) => { | ||
| return update({ x, y, seatMap, rules }) | ||
| }) | ||
| }) | ||
| } | ||
|
|
||
| const update = ({ x, y, seatMap, rules = 'proximity' }) => { | ||
| let leaveThreshold = 4 | ||
| let processor = occupiedNearby | ||
| if (rules === 'visibility') { | ||
| leaveThreshold = 5 | ||
| processor = occupiedLineOfSite | ||
| } | ||
|
|
||
| let next = seatMap[y][x] | ||
| switch (seatMap[y][x]) { | ||
| case '.': | ||
| // Floor (.) never changes; seats don't move, and nobody sits on the floor. | ||
| next = seatMap[y][x] | ||
| break | ||
| case 'L': | ||
| // If a seat is empty (L) and there are no occupied seats adjacent to it, the seat becomes occupied. | ||
| if (processor({ x, y, seatMap }) === 0) { | ||
| next = '#' | ||
| } | ||
| break | ||
| case '#': | ||
| // If a seat is occupied (#) and four or more seats adjacent to it are also occupied, the seat becomes empty. | ||
| // We subtract 1 so we don't count the target seat | ||
| if (processor({ x, y, seatMap }) - 1 >= leaveThreshold) { | ||
| next = 'L' | ||
| } | ||
| break | ||
| default: | ||
| // Otherwise, the seat's state does not change. | ||
| next = seatMap[y][x] | ||
| } | ||
|
|
||
| return next | ||
| } | ||
|
|
||
| module.exports = { | ||
| format, | ||
| parse, | ||
| advance, | ||
| occupiedLineOfSite | ||
| } |
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