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Day 1 - improvement

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This commit is contained in:
Andre Henriques
2025-12-01 20:15:26 +00:00
parent 5f14c1cf3b
commit 784d15bedb
1 changed files with 6 additions and 24 deletions
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30
src/day1/main.rs
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@@ -1,36 +1,18 @@
use anyhow::Result;
use std::{fs, num};
use std::fs;
fn main() -> Result<()> {
println!("Hello, world!");
let (count, extra, _) = fs::read_to_string("src/day1/day1-act.txt")?
.split("\n")
.filter(|s| s.len() > 0)
.fold((0, 0, 50 as i32), |(sum, e, p), s| {
let modi = if s.chars().nth(0).unwrap() == 'R' {
1
} else {
-1
};
let modi = 1 + (-2 * (s.chars().nth(0).unwrap() == 'L') as i32);
let v: i32 = s[1..].parse().unwrap();
let mut nv: i32 = p + (v % 100) * modi;
let mut extra = v / 100;
if nv < 0 {
nv = 100 + nv;
if p != 0 {
extra += 1;
}
} else if nv == 100 {
nv = nv - 100;
} else if nv > 100 {
nv = nv - 100;
if p != 0 {
extra += 1;
}
}
println!("{} - {}: {}", s, nv, extra);
(sum + (if nv == 0 { 1 } else { 0 }), e + extra, nv)
let extra = v / 100 + (p != 0 && (nv < 0 || nv > 100)) as i32;
nv = nv + 100 * (nv < 0) as i32 + -100 * (nv >= 100) as i32;
// println!("{} - {}: {}", s, nv, extra);
(sum + (nv == 0) as i32, e + extra, nv)
});
println!("{} and sec {}", count, count + extra);