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Day 2 - Cleanup

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This commit is contained in:
Andre Henriques
2025-12-02 19:08:24 +00:00
parent 5b1f51ab4e
commit f2131a114f
1 changed files with 3 additions and 14 deletions
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17
src/day2/main.rs
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@@ -14,12 +14,10 @@ fn sol1(text: &String) {
let end: i64 = range.next().unwrap().parse().unwrap();
let mut to_sum: i64 = 0;
for i in start..(end + 1) {
// TODO maybe skip entire ones if the start and end are the same size and cannot have anything inside
if (i as f64).log10().ceil() as i64 % 2 == 0 {
let str = i.to_string();
let pivot = str.len() / 2;
if str[0..pivot] == str[pivot..] {
// println!("Found wrong id: {}", i);
to_sum += i;
}
}
@@ -44,29 +42,20 @@ fn sol2(text: &String) {
let mut to_sum: i64 = 0;
'bigloop: for i in start..(end + 1) {
// println!("Started Num: {}", i);
let str = i.to_string();
let str_len = str.len();
'other_num: for test_num in 1..(str_len / 2) + 1 {
'other_num: for test_num in (1..(str_len / 2) + 1).rev() {
if str_len % test_num != 0 {
continue 'other_num;
}
for test_index in (test_num..str_len).step_by(test_num) {
for test_index in (test_num..str_len).step_by(test_num).rev() {
let prev = test_index - test_num;
/*println!(
"Testing: {} {} {} != {}",
test_index,
test_num,
str[prev..prev + test_num].to_owned(),
str[test_index..test_index + test_num].to_owned()
);*/
if str[prev..prev + test_num] != str[test_index..test_index + test_num] {
// println!("SKIP");
continue 'other_num;
}
}
println!("Found wrong id: {}", i);
// println!("Found wrong id: {}", i);
to_sum += i;
continue 'bigloop;