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Tim Stallard
2018-12-06 00:10:48 +00:00
parent 1a085be4db
commit edd783b3e4
11 changed files with 2460 additions and 0 deletions
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3
03/input-test.txt Normal file
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#1 @ 1,3: 4x4
#2 @ 3,1: 4x4
#3 @ 5,5: 2x2

1233
03/input.txt Normal file
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18
03/part1.js Normal file
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var input = require("fs").readFileSync("input.txt").toString().split("\n").filter(a=>a);
var sqs = input.map((a)=>(a.match(/#\d+ @ (\d+),(\d+): (\d+)x(\d+)/)).map(a=>(parseInt(a))).filter(a=>(a>=0)));
var xa = Math.min.apply(null, sqs.map(a=>(a[0])));
var ya = Math.min.apply(null, sqs.map(a=>(a[1])));
var xb = Math.max.apply(null, sqs.map(a=>(a[0]+a[2])));
var yb = Math.max.apply(null, sqs.map(a=>(a[1]+a[3])));
var count = 0;
for(var x = xa; x <= xb; x++){
for(var y = ya; y <= yb; y++){
if(sqs.filter(a=>( (a[0] <= x) && ((a[0] + a[2]) > x) && (a[1] <= y) && ((a[1]) + a[3]) > y)).length >= 2){
count++;
}
}
}
console.log(count);

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03/part2.js Normal file
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var input = require("fs").readFileSync("input.txt").toString().split("\n").filter(a=>a);
var sqs = input.map((a)=>(a.match(/#\d+ @ (\d+),(\d+): (\d+)x(\d+)/)).map(a=>(parseInt(a))).filter(a=>(a>=0)));
function overlapa(a, b){
xa1 = a[0]
xa2 = a[0] + a[2] - 1;
xb1 = b[0];
xb2 = b[0] + b[2] - 1;
ya1 = a[1]
ya2 = a[1] + a[3] - 1;
yb1 = b[1];
yb2 = b[1] + b[3] - 1;
return (
(((xa1 >= xb1) && (xa1 <= xb2)) || ((xa2 >= xb1) && (xa2 <= xb2)))
&&
(((ya1 >= yb1) && (ya1 <= yb2)) || ((ya2 >= yb1) && (ya2 <= yb2)))
)
}
function overlap(a,b){
return overlapa(a,b) || overlapa(b,a);
}
for(var i in sqs){
if(sqs.filter(sq=>(overlap(sq, sqs[i]))).length == 1){
console.log(i + 1);
}
}