Complete day 4.1
This commit is contained in:
parent
95cadb78ae
commit
a5bdc0beac
GPG key ID:
49670FD774E43268
1
day-4/.gitignore
vendored
Normal file
1
day-4/.gitignore
vendored
Normal file
|
|
@ -0,0 +1 @@
|
||||||
|
/target/
|
||||||
78
day-4/Cargo.lock
generated
Normal file
78
day-4/Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,78 @@
|
||||||
|
# This file is automatically @generated by Cargo.
|
||||||
|
# It is not intended for manual editing.
|
||||||
|
[[package]]
|
||||||
|
name = "day-4"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"indoc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "indoc"
|
||||||
|
version = "0.3.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "47741a8bc60fb26eb8d6e0238bbb26d8575ff623fdc97b1a2c00c050b9684ed8"
|
||||||
|
dependencies = [
|
||||||
|
"indoc-impl",
|
||||||
|
"proc-macro-hack",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "indoc-impl"
|
||||||
|
version = "0.3.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ce046d161f000fffde5f432a0d034d0341dc152643b2598ed5bfce44c4f3a8f0"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro-hack",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
"unindent",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro-hack"
|
||||||
|
version = "0.5.19"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.24"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-xid",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.53"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8833e20724c24de12bbaba5ad230ea61c3eafb05b881c7c9d3cfe8638b187e68"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-xid",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-xid"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unindent"
|
||||||
|
version = "0.1.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f14ee04d9415b52b3aeab06258a3f07093182b88ba0f9b8d203f211a7a7d41c7"
|
||||||
10
day-4/Cargo.toml
Normal file
10
day-4/Cargo.toml
Normal file
|
|
@ -0,0 +1,10 @@
|
||||||
|
[package]
|
||||||
|
name = "day-4"
|
||||||
|
version = "0.1.0"
|
||||||
|
authors = ["Tristan Daniël Maat <tm@tlater.net>"]
|
||||||
|
edition = "2018"
|
||||||
|
|
||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
indoc = "0.3"
|
||||||
1068
day-4/input
Normal file
1068
day-4/input
Normal file
File diff suppressed because it is too large
Load diff
76
day-4/src/main.rs
Normal file
76
day-4/src/main.rs
Normal file
|
|
@ -0,0 +1,76 @@
|
||||||
|
use std::collections::HashMap;
|
||||||
|
use std::fs;
|
||||||
|
|
||||||
|
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||||
|
let input = fs::read_to_string("input")?;
|
||||||
|
let passports = parse_passports(&input)?;
|
||||||
|
println!("{}", validate_passports(&passports));
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn parse_passports(input: &str) -> Result<Vec<HashMap<&str, &str>>, &str> {
|
||||||
|
input
|
||||||
|
.split("\n\n")
|
||||||
|
.map(|passport| {
|
||||||
|
passport
|
||||||
|
.trim()
|
||||||
|
.split(|c| c == ' ' || c == '\n')
|
||||||
|
.map(|field| {
|
||||||
|
let item = field.split_at(3);
|
||||||
|
let key = item.0;
|
||||||
|
let value = item
|
||||||
|
.1
|
||||||
|
.strip_prefix(":")
|
||||||
|
.ok_or("Invalid entry; value too short")?;
|
||||||
|
|
||||||
|
Ok((key, value))
|
||||||
|
})
|
||||||
|
.collect()
|
||||||
|
})
|
||||||
|
.collect()
|
||||||
|
}
|
||||||
|
|
||||||
|
fn validate_passports(passports: &Vec<HashMap<&str, &str>>) -> usize {
|
||||||
|
let required_fields = ["byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid"];
|
||||||
|
|
||||||
|
passports
|
||||||
|
.iter()
|
||||||
|
.filter(|passport| {
|
||||||
|
required_fields
|
||||||
|
.iter()
|
||||||
|
.all(|field| passport.contains_key(field))
|
||||||
|
})
|
||||||
|
.count()
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
use indoc::indoc;
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn test_simple() -> Result<(), String> {
|
||||||
|
let example = indoc!(
|
||||||
|
"ecl:gry pid:860033327 eyr:2020 hcl:#fffffd
|
||||||
|
byr:1937 iyr:2017 cid:147 hgt:183cm
|
||||||
|
|
||||||
|
iyr:2013 ecl:amb cid:350 eyr:2023 pid:028048884
|
||||||
|
hcl:#cfa07d byr:1929
|
||||||
|
|
||||||
|
hcl:#ae17e1 iyr:2013
|
||||||
|
eyr:2024
|
||||||
|
ecl:brn pid:760753108 byr:1931
|
||||||
|
hgt:179cm
|
||||||
|
|
||||||
|
hcl:#cfa07d eyr:2025 pid:166559648
|
||||||
|
iyr:2011 ecl:brn hgt:59in
|
||||||
|
"
|
||||||
|
);
|
||||||
|
|
||||||
|
let passports = parse_passports(example)?;
|
||||||
|
assert_eq!(validate_passports(&passports), 2);
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue