Day 3
This commit is contained in:
3
.gitignore
vendored
3
.gitignore
vendored
@@ -1,3 +1,2 @@
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*/input
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*/input
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*/part1
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*/part2
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104
03/part1/Cargo.lock
generated
Normal file
104
03/part1/Cargo.lock
generated
Normal file
@@ -0,0 +1,104 @@
|
|||||||
|
[[package]]
|
||||||
|
name = "aho-corasick"
|
||||||
|
version = "0.6.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "cfg-if"
|
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|
version = "0.1.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lazy_static"
|
||||||
|
version = "1.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libc"
|
||||||
|
version = "0.2.44"
|
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "memchr"
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|
version = "2.1.1"
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||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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|
]
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||||||
|
|
||||||
|
[[package]]
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||||||
|
name = "part1"
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||||||
|
version = "0.1.0"
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||||||
|
dependencies = [
|
||||||
|
"scan_fmt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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|
]
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||||||
|
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||||||
|
[[package]]
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||||||
|
name = "regex"
|
||||||
|
version = "0.2.11"
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||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
dependencies = [
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|
"aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
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|
"memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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||||||
|
"regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
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|
"thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
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|
"utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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|
]
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|
[[package]]
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|
name = "regex-syntax"
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|
version = "0.5.6"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
dependencies = [
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|
"ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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|
]
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|
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|
[[package]]
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||||||
|
name = "scan_fmt"
|
||||||
|
version = "0.1.3"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
dependencies = [
|
||||||
|
"regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
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|
]
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|
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|
[[package]]
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||||||
|
name = "thread_local"
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||||||
|
version = "0.3.6"
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
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|
"lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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|
]
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|
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|
[[package]]
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||||||
|
name = "ucd-util"
|
||||||
|
version = "0.1.3"
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||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf8-ranges"
|
||||||
|
version = "1.0.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.1.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
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||||||
|
[metadata]
|
||||||
|
"checksum aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1e9a933f4e58658d7b12defcf96dc5c720f20832deebe3e0a19efd3b6aaeeb9e"
|
||||||
|
"checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
|
||||||
|
"checksum lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
|
||||||
|
"checksum libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)" = "10923947f84a519a45c8fefb7dd1b3e8c08747993381adee176d7a82b4195311"
|
||||||
|
"checksum memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0a3eb002f0535929f1199681417029ebea04aadc0c7a4224b46be99c7f5d6a16"
|
||||||
|
"checksum regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
|
||||||
|
"checksum regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7d707a4fa2637f2dca2ef9fd02225ec7661fe01a53623c1e6515b6916511f7a7"
|
||||||
|
"checksum scan_fmt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8b87497427f9fbe539ee6b9626f5a5e899331fdf1c1d62f14c637a462969db30"
|
||||||
|
"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
|
||||||
|
"checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
|
||||||
|
"checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
|
||||||
|
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
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8
03/part1/Cargo.toml
Normal file
8
03/part1/Cargo.toml
Normal file
@@ -0,0 +1,8 @@
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[package]
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|
name = "part1"
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version = "0.1.0"
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authors = ["Nick Thomas <me@ur.gs>"]
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edition = "2018"
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[dependencies]
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scan_fmt = "0.1.3"
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98
03/part1/src/main.rs
Normal file
98
03/part1/src/main.rs
Normal file
@@ -0,0 +1,98 @@
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#[macro_use] extern crate scan_fmt;
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use std::fs::File;
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use std::io::BufReader;
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use std::io::prelude::*;
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#[derive(Hash, Eq, PartialEq, Debug)]
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struct Point {
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x: usize,
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y: usize,
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}
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#[derive(Hash, Eq, PartialEq, Debug)]
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struct Rect {
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a: Point,
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b: Point,
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}
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#[derive(Hash, Eq, PartialEq, Debug)]
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struct Claim {
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id: u32,
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area: Rect,
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}
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impl Claim {
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fn new(from: &str) -> Claim {
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let (id,x,y,w,h) = scan_fmt!(
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from,
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"#{} @ {},{}: {}x{}",
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u32, usize, usize, usize, usize
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);
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return Claim{
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id: id.unwrap(),
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area: Rect {
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a: Point {x: x.unwrap(), y: y.unwrap()},
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b: Point {x: x.unwrap()+w.unwrap(), y: y.unwrap()+h.unwrap()},
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},
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}
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|
}
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}
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fn main() -> std::io::Result<()> {
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let f = File::open("../input")?;
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let reader = BufReader::new(f);
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let mut claims: Vec<Claim> = Vec::new();
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let mut max_x = 0;
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let mut max_y = 0;
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for line in reader.lines() {
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let claim = Claim::new(&line.unwrap());
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if claim.area.b.x > max_x {
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max_x = claim.area.b.x;
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}
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|
if claim.area.b.y > max_y {
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max_y = claim.area.b.y;
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}
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claims.push(claim);
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|
}
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||||||
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||||||
|
println!("{} {}", max_x, max_y);
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||||||
|
let mut field: Vec<Vec<usize>> = Vec::new();
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||||||
|
for i in 0..max_y {
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||||||
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let mut x_row: Vec<usize> = Vec::new();
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||||||
|
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||||||
|
for _ in 0..max_x {
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||||||
|
x_row.push(0);
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||||||
|
}
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||||||
|
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||||||
|
field.push(x_row);
|
||||||
|
}
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||||||
|
|
||||||
|
for claim in claims {
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||||||
|
for x in claim.area.a.x..claim.area.b.x {
|
||||||
|
for y in claim.area.a.y..claim.area.b.y {
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||||||
|
field[y as usize][x as usize] += 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut count = 0;
|
||||||
|
for y in field {
|
||||||
|
for val in y {
|
||||||
|
if val > 1 {
|
||||||
|
count += 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
println!("{}", count);
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
104
03/part2/Cargo.lock
generated
Normal file
104
03/part2/Cargo.lock
generated
Normal file
@@ -0,0 +1,104 @@
|
|||||||
|
[[package]]
|
||||||
|
name = "aho-corasick"
|
||||||
|
version = "0.6.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "cfg-if"
|
||||||
|
version = "0.1.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lazy_static"
|
||||||
|
version = "1.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libc"
|
||||||
|
version = "0.2.44"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "memchr"
|
||||||
|
version = "2.1.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "part2"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"scan_fmt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex"
|
||||||
|
version = "0.2.11"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex-syntax"
|
||||||
|
version = "0.5.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "scan_fmt"
|
||||||
|
version = "0.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thread_local"
|
||||||
|
version = "0.3.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ucd-util"
|
||||||
|
version = "0.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf8-ranges"
|
||||||
|
version = "1.0.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.1.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[metadata]
|
||||||
|
"checksum aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1e9a933f4e58658d7b12defcf96dc5c720f20832deebe3e0a19efd3b6aaeeb9e"
|
||||||
|
"checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
|
||||||
|
"checksum lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
|
||||||
|
"checksum libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)" = "10923947f84a519a45c8fefb7dd1b3e8c08747993381adee176d7a82b4195311"
|
||||||
|
"checksum memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0a3eb002f0535929f1199681417029ebea04aadc0c7a4224b46be99c7f5d6a16"
|
||||||
|
"checksum regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
|
||||||
|
"checksum regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7d707a4fa2637f2dca2ef9fd02225ec7661fe01a53623c1e6515b6916511f7a7"
|
||||||
|
"checksum scan_fmt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8b87497427f9fbe539ee6b9626f5a5e899331fdf1c1d62f14c637a462969db30"
|
||||||
|
"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
|
||||||
|
"checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
|
||||||
|
"checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
|
||||||
|
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
||||||
8
03/part2/Cargo.toml
Normal file
8
03/part2/Cargo.toml
Normal file
@@ -0,0 +1,8 @@
|
|||||||
|
[package]
|
||||||
|
name = "part2"
|
||||||
|
version = "0.1.0"
|
||||||
|
authors = ["Nick Thomas <me@ur.gs>"]
|
||||||
|
edition = "2018"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
scan_fmt = "0.1.3"
|
||||||
104
03/part2/src/main.rs
Normal file
104
03/part2/src/main.rs
Normal file
@@ -0,0 +1,104 @@
|
|||||||
|
#[macro_use] extern crate scan_fmt;
|
||||||
|
|
||||||
|
use std::collections::HashSet;
|
||||||
|
use std::fs::File;
|
||||||
|
use std::io::BufReader;
|
||||||
|
use std::io::prelude::*;
|
||||||
|
|
||||||
|
#[derive(Hash, Eq, PartialEq, Debug)]
|
||||||
|
struct Point {
|
||||||
|
x: usize,
|
||||||
|
y: usize,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Hash, Eq, PartialEq, Debug)]
|
||||||
|
struct Rect {
|
||||||
|
a: Point,
|
||||||
|
b: Point,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Hash, Eq, PartialEq, Debug)]
|
||||||
|
struct Claim {
|
||||||
|
id: u32,
|
||||||
|
area: Rect,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Claim {
|
||||||
|
fn new(from: &str) -> Claim {
|
||||||
|
let (id,x,y,w,h) = scan_fmt!(
|
||||||
|
from,
|
||||||
|
"#{} @ {},{}: {}x{}",
|
||||||
|
u32, usize, usize, usize, usize
|
||||||
|
);
|
||||||
|
|
||||||
|
return Claim{
|
||||||
|
id: id.unwrap(),
|
||||||
|
area: Rect {
|
||||||
|
a: Point {x: x.unwrap(), y: y.unwrap()},
|
||||||
|
b: Point {x: x.unwrap()+w.unwrap(), y: y.unwrap()+h.unwrap()},
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() -> std::io::Result<()> {
|
||||||
|
let f = File::open("../input")?;
|
||||||
|
let reader = BufReader::new(f);
|
||||||
|
|
||||||
|
let mut claims: Vec<Claim> = Vec::new();
|
||||||
|
let mut max_x = 0;
|
||||||
|
let mut max_y = 0;
|
||||||
|
|
||||||
|
for line in reader.lines() {
|
||||||
|
let claim = Claim::new(&line.unwrap());
|
||||||
|
|
||||||
|
if claim.area.b.x > max_x {
|
||||||
|
max_x = claim.area.b.x;
|
||||||
|
}
|
||||||
|
|
||||||
|
if claim.area.b.y > max_y {
|
||||||
|
max_y = claim.area.b.y;
|
||||||
|
}
|
||||||
|
|
||||||
|
claims.push(claim);
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut field: Vec<Vec<Vec<u32>>> = Vec::new();
|
||||||
|
for _ in 0..max_y {
|
||||||
|
let mut x_row: Vec<Vec<u32>> = Vec::new();
|
||||||
|
|
||||||
|
for _ in 0..max_x {
|
||||||
|
x_row.push(Vec::new());
|
||||||
|
}
|
||||||
|
|
||||||
|
field.push(x_row);
|
||||||
|
}
|
||||||
|
|
||||||
|
for claim in &claims {
|
||||||
|
for x in claim.area.a.x..claim.area.b.x {
|
||||||
|
for y in claim.area.a.y..claim.area.b.y {
|
||||||
|
field[y][x].push(claim.id);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let mut bad = HashSet::new();
|
||||||
|
|
||||||
|
for y in field {
|
||||||
|
for x in y {
|
||||||
|
if x.len() > 1 {
|
||||||
|
for id in x {
|
||||||
|
bad.insert(id);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
for claim in &claims {
|
||||||
|
if !bad.contains(&claim.id) {
|
||||||
|
println!("{} is good", claim.id)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user