Add solution for 2022 day 03
This commit is contained in:
parent
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@ -6,7 +6,7 @@
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| :-: | :----: | :----: | :------- |
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| 01 | ✓ | ✓ | [Rust] |
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| 02 | ✓ | ✓ | [Rust] |
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| 03 | | | |
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| 03 | ✓ | ✓ | [Rust] |
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| 04 | | | |
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| 05 | | | |
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| 06 | | | |
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7
2022/day-03/Cargo.toml
Normal file
7
2022/day-03/Cargo.toml
Normal file
@ -0,0 +1,7 @@
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[package]
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name = "aoc-2022-03"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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itertools = "0.10"
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5
2022/day-03/Justfile
Normal file
5
2022/day-03/Justfile
Normal file
@ -0,0 +1,5 @@
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@part PART INPUT_FILE="inputs/puzzle.txt":
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cargo --quiet run --bin part_{{PART}} -- {{INPUT_FILE}}
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clean:
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cargo clean
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300
2022/day-03/inputs/puzzle.txt
Normal file
300
2022/day-03/inputs/puzzle.txt
Normal file
@ -0,0 +1,300 @@
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QtGHnGlcwQGvHwMHGnnGfRFCJnRBfVVJRVBfCFBh
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MNNDGMWrQsfhtrTnrm
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cCJcjdRvqrQhqvWMzlbDGVGbSMSnbR
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BfQmpfpmsRCRPDSZVSjjSg
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MhNJGMTMHGGTbnGMJrbJHTzzdPgSwSqqPjPdZddSqNSwPZDw
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TWbWbhnHWBFBFBDD
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SdvnnvvntnbDDqtz
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CLLCFNZhsppRvvttBPCjStdT
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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||||
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|
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
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|
||||
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||||
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||||
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|
||||
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|
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GVGPBvNPvffpvtvp
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nsGGDVtFNGgGWjWlTwrwTmjwTR
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MQtmmMMmnHGGTmhw
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llqvqvvpqdvvrSfrpSfdfnhFSTMNDHFMNFFSGFwMHT
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|
||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
fMflHpddJfNNVfNWWmDqQpwBgwnjPBQDjqBh
|
||||
WttGctsNCNrfwTMlBtlr
|
||||
HJLzLJJVnFjHbnbVjDHDdFqwwffTTfTGwrqwBBTT
|
||||
jgVgJSbnHjNWsWCSWWGG
|
||||
ssLfHLvrrfMMlBMRMfpd
|
||||
qbbhmGCCVDQhQQVzDDbqmhMBtDZdBZHlddpltpBpdlJd
|
||||
QhQbzqCGzVzSbqzLHjLgrcjvPSnnSL
|
||||
NGGZGsGFCGvCcnCcgnZWrPHjsJjHjTDjJHfrjHDP
|
||||
RzzQmwwmdRRwMqRQmZwtfrDPfTfrbjHqrDPTHr
|
||||
MBLphmLpSzdRlnWZCNcGLgLG
|
||||
LwPPHZLLWRMWMsHqTCjmTTjSTn
|
||||
lFpNNpzplbfphzNcQzVcpvzsnqTsggmnjfgqCDsnCDqsgS
|
||||
vFJJhQVhbcVddLtmWZJdmm
|
||||
GwMNMGBMRMGjdSGsDntglDrDGQ
|
||||
WTmPPzfmlQrsnQmg
|
||||
ZPTJVvllhBwvLvwRwj
|
||||
nlSvqqFqzfnbnvFwwsGHTBHgPfWsTrRPgG
|
||||
dMdjphVhhgdLVJhNRBGPRWWBBGPTTGHV
|
||||
thJgLpghLNLhNQMCtdMhSmFlQnzzwnbzlbqqSQFb
|
||||
ZJJLBWhJBNwJwLvgRgGRgbZqbHTbGT
|
||||
cCrfFFnzjmdrdrmmzsgSPSHSbHWPRgrgGR
|
||||
dmCFntnFctjfdVtttjtDVncfBDlNJJppwQMwNBNvvplppWNh
|
||||
GGNNNbNbqmsmTVbCDQQhDJQT
|
||||
rgPvdgMdPdBddvMcrMnvgcSwhClTTJCwClDTvLJJthTlth
|
||||
zBdWpnDBDmfFGRffzH
|
||||
WNNNWcDcdVHNQTNT
|
||||
lLvLctvrvvvPCpHLQQTZVQLTTHBV
|
||||
zltgpbPCrrmtlmrlhhbqcWMqDDMDFMfbGScc
|
||||
dzSHRCGZGdRQWQWtllWB
|
||||
mNmbLbbmwjsmsNjDmcPvpVHBVPQvWDWBBpvB
|
||||
jnmNNrLcnnjjHhSCdGMSfrfd
|
||||
mgGvfvJSmSSrbvScmGccTPCqNnRjlpNNfNjqwqlpNpfw
|
||||
zZLLQFFFtsFwWjjRqbbCsW
|
||||
hBBLBdFHddVrGbVc
|
||||
bJGchsCcHwbHfgvg
|
||||
qdlSSNqLPqlPQZDffgfZRZMghvZr
|
||||
PLtqtFTPNLlWlqtQqqQzBBmcnschGtjtnChmzC
|
||||
llNLDLzjDtCTVtClCDMHSlmwdmmdSmddwZSS
|
||||
gPJszvsBPbwSHZRQSJQJ
|
||||
bgFssFPcWhDjCzLcnNDD
|
||||
ZTGMwdhMwMJphZMJlNdVBCnncNPLBCCRPnCncn
|
||||
fWsqmfSsqvfFFFvmWjfSSsPLCwVPRnPRCmRnRRCVzRCV
|
||||
FQfQfvStwjtqsjvvQWFfWqWtlMDdGTJJGdMdhJtDMbllDZ
|
||||
DzZLpBDptpVPrrrFPqRmBj
|
||||
WsfCTTgMllCWJMlhslNsCFJrGqvmRPqmqZjGFjvmvm
|
||||
HfghcNghHhgNNfbDDZdcdpndDzpt
|
||||
RRBRdJfccVRdDJqdDrvwShwvztWJlWwSJn
|
||||
mPtCHPPmHbmHNZjjjQHbMSgrSWhWzWnnQwvzzrlrll
|
||||
tpFmjpmjFMCmppmVTVLFVfBqTqVDLd
|
||||
jtljZcTcVVtdggVmdczzzDPzvCsvRbDsDmvm
|
||||
MHHnnJMFMNpwSNprpMJrfsbPRRbWDGLbHLDRvzzssR
|
||||
rJFNvQfBSwQBwNwldZTqTtctQchthc
|
||||
WsWTWsfjgTJGSnTz
|
||||
RHNmvRLCpJclcNcvHpNcPBzgQgMnnGFnLFgPgnPF
|
||||
mHlcdbbccZcCCCNZZNcCWtthWbWqwwJsbDfthfwW
|
||||
vFFzppnHFrjmpljQhg
|
||||
JPGfPWVdwfPgQzVQlTrQrZ
|
||||
PwRJfGDBfCHMzRHNHMNR
|
||||
6
2022/day-03/inputs/test.txt
Normal file
6
2022/day-03/inputs/test.txt
Normal file
@ -0,0 +1,6 @@
|
||||
vJrwpWtwJgWrhcsFMMfFFhFp
|
||||
jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
|
||||
PmmdzqPrVvPwwTWBwg
|
||||
wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
|
||||
ttgJtRGJQctTZtZT
|
||||
CrZsJsPPZsGzwwsLwLmpwMDw
|
||||
21
2022/day-03/src/bin/part_one.rs
Normal file
21
2022/day-03/src/bin/part_one.rs
Normal file
@ -0,0 +1,21 @@
|
||||
use std::{collections::HashSet, env, io};
|
||||
|
||||
use aoc_2022_03::{item_priority, parse_file};
|
||||
|
||||
fn main() -> io::Result<()> {
|
||||
let infile_path = env::args().nth(1).expect("input file");
|
||||
|
||||
let sum_of_items: u32 = parse_file(infile_path)?
|
||||
.map(|line| {
|
||||
let (left, right) = line.split_at(line.len() / 2);
|
||||
let left: HashSet<_> = left.chars().collect();
|
||||
let right: HashSet<_> = right.chars().collect();
|
||||
left.intersection(&right)
|
||||
.fold(0u32, |acc, &item| acc + item_priority(item))
|
||||
})
|
||||
.sum();
|
||||
|
||||
println!("{sum_of_items}");
|
||||
|
||||
Ok(())
|
||||
}
|
||||
27
2022/day-03/src/bin/part_two.rs
Normal file
27
2022/day-03/src/bin/part_two.rs
Normal file
@ -0,0 +1,27 @@
|
||||
use std::{collections::HashSet, env, io};
|
||||
|
||||
use itertools::Itertools; // for easier chunking
|
||||
|
||||
use aoc_2022_03::{item_priority, parse_file};
|
||||
|
||||
fn main() -> io::Result<()> {
|
||||
let infile_path = env::args().nth(1).expect("input file");
|
||||
|
||||
let items = parse_file(infile_path)?.chunks(3);
|
||||
let item_sum: u32 = items
|
||||
.into_iter()
|
||||
.map(|chunk| {
|
||||
let badge_set = chunk
|
||||
.map(|line| line.chars().collect::<HashSet<_>>())
|
||||
.reduce(|acc, item| acc.intersection(&item).copied().collect())
|
||||
.unwrap();
|
||||
|
||||
let badge_item = badge_set.iter().nth(0).unwrap();
|
||||
item_priority(*badge_item)
|
||||
})
|
||||
.sum();
|
||||
|
||||
println!("{item_sum}");
|
||||
|
||||
Ok(())
|
||||
}
|
||||
28
2022/day-03/src/lib.rs
Normal file
28
2022/day-03/src/lib.rs
Normal file
@ -0,0 +1,28 @@
|
||||
use std::{
|
||||
fs::File,
|
||||
io::{self, BufRead, BufReader},
|
||||
path::Path,
|
||||
};
|
||||
|
||||
pub fn item_priority(item_id: char) -> u32 {
|
||||
if item_id.is_ascii_lowercase() {
|
||||
(item_id as u32) - 96
|
||||
} else if item_id.is_ascii_uppercase() {
|
||||
(item_id as u32) - 38
|
||||
} else {
|
||||
panic!("unsupported ascii");
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse_file<P>(path: P) -> io::Result<impl Iterator<Item = String>>
|
||||
where
|
||||
P: AsRef<Path>,
|
||||
{
|
||||
let file = File::open(path)?;
|
||||
let items = BufReader::new(file).lines().map(|line| {
|
||||
let line = line.expect("got no line");
|
||||
line
|
||||
});
|
||||
|
||||
Ok(items)
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user