Tim/adventofcode-2017
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Tim Stallard
2017-12-25 23:22:40 +00:00
parent d5fbba3277
commit 47510ec0ff
24 changed files with 2002 additions and 0 deletions
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25
day22/input.txt Normal file
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..#..##...##.######.##...
..#...#####..#.#####..#..
...##.#..##.#.##....#...#
#.#.#.#..###...#....##..#
..#..#####.....##..#.#..#
.##.#####.#.....###.#..#.
##..####...#.##.#...##...
###.#.#####...##.#.##..#.
#.##..##.#....#.#..#.##..
###.######......####..#.#
###.....#.##.##.######..#
...####.###.#....#..##.##
#..####.#.....#....###.#.
#..##..#.####.#.##..#.#..
#..#.#.##...#...#####.##.
#.###..#.##.#..##.#######
...###..#..####.####.#.#.
.#..###..###.#....#######
.####..##.#####.#.#..#.#.
#.#....##.....##.##.....#
....####.....#..#.##..##.
######..##..#.###...###..
..##...##.....#..###.###.
##.#.#..##.#.#.##....##.#
.#.###..##..#....#...##.#

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day22/part1.js Normal file
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var grid = require("fs").readFileSync("input.txt").toString().split("\n").filter(a=>(a)).reverse().map(a=>(a.split("")));
var dirs = [[0, 1], [1, 0], [0, -1], [-1, 0]];
var dir = 0;
var x = Math.floor(grid.length/2);
var y = Math.floor(grid.length/2);
var numInfected = 0;
for(var i = 0; i < 10000; i++){
var clean = true;
if(grid[y]){
if(grid[y][x] == "#"){
clean = false;
}
}
else{
grid[y] = [];
}
if(clean){
grid[y][x] = "#";
numInfected++;
dir--;
}
else{
grid[y][x] = ".";
dir++;
}
dir = (dir+4)%4;
x += dirs[dir][0];
y += dirs[dir][1];
}
console.log(numInfected);

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day22/part2.js Normal file
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var grid = require("fs").readFileSync("input.txt").toString().split("\n").filter(a=>(a)).reverse().map(a=>(a.split("")));
var dirs = [[0, 1], [1, 0], [0, -1], [-1, 0]];
var dir = 0;
var x = Math.floor(grid.length/2);
var y = Math.floor(grid.length/2);
var numInfected = 0;
for(var i = 0; i < 10000000; i++){
var clean = true;
if(grid[y]){
if(!grid[y][x]){
grid[y][x] = ".";
}
}
else{
grid[y] = [];
grid[y][x] = ".";
}
var states = [".", "W", "#", "F"];
var dirChanges = [-1, 0, 1, 2];
dir += dirChanges[states.indexOf(grid[y][x])];
grid[y][x] = states[(states.indexOf(grid[y][x])+1) % 4];
if(grid[y][x] == "#"){
numInfected++;
}
dir = (dir+4)%4;
x += dirs[dir][0];
y += dirs[dir][1];
}
console.log(numInfected);