feat: day3
Signed-off-by: Louis Vallat <louis@louis-vallat.xyz>
This commit is contained in:
parent
8427087485
commit
603f05ef5e
@ -13,3 +13,8 @@ day-2:
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stage: build
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script:
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- cd day2; cargo run --release ./input
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day-3:
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stage: build
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script:
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- cd day3; cargo run --release ./input
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8
day3/Cargo.toml
Normal file
8
day3/Cargo.toml
Normal file
@ -0,0 +1,8 @@
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[package]
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name = "day3"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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300
day3/input
Normal file
300
day3/input
Normal file
@ -0,0 +1,300 @@
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|
||||
nmnWnnWmgQsCFzFCRVCg
|
||||
sHMHCDZfcwMcRcLMcZDCRCHMPdJqgjvVdvqgdgfdJbQgvWQb
|
||||
FFhTzmzGrnmtjTBjBBprrmFtqGgQqvVdPbbgqQQWJvvWJQqV
|
||||
TrNjrnFSlwNZNlNL
|
||||
JQGdsdzSzsdFQFSdssnndNlZjNPTJZNljVjTPhVPhT
|
||||
GgGLfRmHGLhNVjjNTLhV
|
||||
HvGvwpbHHRwpBrvBgSSzSFndtzndCrsFMd
|
||||
DptFshMrhDhDwmPPhwSNhmmS
|
||||
RLdcdRvBjnvRVcvlcLbCcbCwwpGBwSmfZqqPPPPwzmfqZq
|
||||
VlRLvVjCJLnlpvvRdllLcJJWDHgMMHDDHtWFFDDQgH
|
||||
SsSdrndpDlCdLftd
|
||||
VGPVJgmQrVGHHZfwLlfCTmfwlDlT
|
||||
PcJHcGgcWWbJpjRrphRbFpRn
|
||||
PdPSMHMLzPPSShBdffMMzMRHQQrpppcqTCQQpCccTGTRCnCQ
|
||||
vsbWmFbmJmZFFsmsbfpGVrGnWrrpVpnnVcTV
|
||||
JZslstfZNNSSPdlSMwlM
|
||||
bLLzRzZLbRqJJrDGGVZdwssDvGQw
|
||||
FCtNJlTFtmPfldSvDvQFVVsjSv
|
||||
PmCPHBhhPpWLWgzgHJ
|
||||
qwmwFHCgPgPPqPwMCrHHFBVVRBttVRRffVfmsjVNNB
|
||||
WSvcSnvbSWbhcbjlQbvlSQhlfBGcspVVsVGfVscpzpNcpBtN
|
||||
hJSLhlvlTjPFHMLCCq
|
||||
bggDpTggncGVVWbQcG
|
||||
sRvSwwwFBSpFzvRvMFZqmPmMVqmcmPPVqhqqWq
|
||||
SRBBrFZZwrddBFRjlptnLgDnTggdtd
|
||||
PPfMcZMflbMQcMllPVfTVMwjWWmZvpWWpWhhjjpdWWww
|
||||
sDQNnzsnQgDNsFzFqtGjGmWWSpWrGhdpvphdSW
|
||||
nNQNqLBHLqzDnHgnVJfPJPCRBbfCcJlT
|
||||
fppppWsjcSDPjjDpGhgwbfTgHTCbHJwbHbTR
|
||||
rLBdQnvMNMmFPbLqHqTqgLHCgL
|
||||
nrFznvMNMQdttrBcScsDstWcPGtWSc
|
||||
lclnRSDnGZtvSwnZDZzhLffqdsCNwTBCBBdNsd
|
||||
mPjmjmrFFpmQjMJQjlNdlhCsCLsTlNLs
|
||||
ggmrHHVVQVPJpWrgpWScRvzZzGGRnZvlgzZn
|
||||
GjGJGQJGcMTVfFDQzNVQzP
|
||||
mHqdbmmdnJqVzVhRVNzPbR
|
||||
wStmHJsJsLZLjTvM
|
||||
QssMbVGdMQjZPjwVwHVZPZClllvgSgvlTgwwSSCgSCtC
|
||||
WmmFBmJrcFRBFrJJBFchzWCStgCTgvhvTlfsNqfTlvTv
|
||||
sFzzssDLzrBPjDVVddHMQD
|
||||
fztDZSGrNrlnbnPTgFFpln
|
||||
jvvQMMcLcjJmQwHdJvjQJnnbTbRFRphnnpsWgmFRPR
|
||||
vTLHHCQLHBBjJCSZrVCZtSfSfrft
|
||||
gHfHffHLjwHrRjLrLRZVMnTdTBsNTBwTVBsBnN
|
||||
DWPhqhhDhvSGvWPzSzMBQBQVMMBBmvssvQvQ
|
||||
CDGbqCDbChSbWGrHcHRgbcVcfrLJ
|
||||
frlTLmtllbbbdpJS
|
||||
qFjhzjThjHTFGHTjqhhjMzBhVpVpdbBnSJQRpBnVVdbRRQJd
|
||||
vjWPWjWPPPWgwmfCrNvTvZ
|
||||
69
day3/src/main.rs
Normal file
69
day3/src/main.rs
Normal file
@ -0,0 +1,69 @@
|
||||
use std::{fs, env, collections::HashSet, vec};
|
||||
|
||||
|
||||
fn read_input(path: &str) -> String {
|
||||
return fs::read_to_string(path).expect("Cannot read file.");
|
||||
}
|
||||
|
||||
fn parse_input_part1(s: &str) -> Vec<(HashSet<char>, HashSet<char>)> {
|
||||
return s.lines().into_iter().fold(vec![], |mut acc, x| {
|
||||
let tuple = x.split_at(x.len() / 2);
|
||||
acc.push((tuple.0.chars().collect(), tuple.1.chars().collect()));
|
||||
return acc;
|
||||
});
|
||||
}
|
||||
|
||||
fn get_intersections_2(v: &Vec<(HashSet<char>, HashSet<char>)>) -> Vec<char> {
|
||||
return v.iter()
|
||||
.map(|t|
|
||||
t.0.intersection(&t.1).collect::<Vec<&char>>())
|
||||
.flatten()
|
||||
.map(|c| c.to_owned())
|
||||
.collect();
|
||||
}
|
||||
|
||||
|
||||
fn parse_input_part2(s: &str) -> Vec<(HashSet<char>, HashSet<char>, HashSet<char>)> {
|
||||
let mut ret = vec![];
|
||||
let mut iter = s.lines().into_iter();
|
||||
loop {
|
||||
let (a, b, c) = (iter.next(), iter.next(), iter.next());
|
||||
if a.is_none() {
|
||||
break;
|
||||
}
|
||||
ret.push((
|
||||
a.unwrap().chars().collect(),
|
||||
b.unwrap().chars().collect(),
|
||||
c.unwrap().chars().collect()
|
||||
))
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
fn get_intersections_3(v: &Vec<(HashSet<char>, HashSet<char>, HashSet<char>)>) -> Vec<char> {
|
||||
return v.iter()
|
||||
.map(|t| {
|
||||
let first = t.0.intersection(&t.1).map(|c| c.to_owned()).collect::<HashSet<char>>();
|
||||
return first.intersection(&t.2).map(|c| c.to_owned()).collect::<Vec<char>>();
|
||||
})
|
||||
.flatten()
|
||||
.collect();
|
||||
}
|
||||
|
||||
fn get_priority(c: &char) -> u32 {
|
||||
return *c as u32 - if c.is_uppercase() { 'A' as u32 - 27 } else { 'a' as u32 - 1 } ;
|
||||
}
|
||||
|
||||
|
||||
fn main() {
|
||||
let args: Vec<String> = env::args().collect();
|
||||
for arg in args.iter().skip(1) {
|
||||
println!("[{}]", &arg);
|
||||
let vec_in_part1 = parse_input_part1(&read_input(&arg));
|
||||
let vec_in_part2 = parse_input_part2(&read_input(&arg));
|
||||
let prio_sum_part1 = get_intersections_2(&vec_in_part1).iter().map(|x| get_priority(x)).sum::<u32>();
|
||||
let prio_sum_part2 = get_intersections_3(&vec_in_part2).iter().map(|x| get_priority(x)).sum::<u32>();
|
||||
println!("\t[Part 1] => Answer is '{}'.", prio_sum_part1);
|
||||
println!("\t[Part 2] => Answer is '{}'.", prio_sum_part2);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user