D1P2 - Why did I do that?
This commit is contained in:
parent
aa7351c5a6
commit
ba1333d14e
1 changed files with 4 additions and 21 deletions
25
day1/p2.rs
25
day1/p2.rs
|
@ -41,25 +41,10 @@ fn main() {
|
|||
left.sort();
|
||||
right.sort();
|
||||
|
||||
let mut left_dup = HashMap::new();
|
||||
let mut right_dup = HashMap::new();
|
||||
|
||||
// This is kinda ass but I don't care :)
|
||||
// This is still kinda ass but I don't care :)
|
||||
let mut i: usize = 0;
|
||||
while i < left.len() {
|
||||
let mut k: usize = i;
|
||||
while k < left.len() && left[i] == left[k] {
|
||||
k+=1;
|
||||
}
|
||||
|
||||
left_dup.insert(left[i],k-i);
|
||||
|
||||
i = k;
|
||||
}
|
||||
|
||||
//println!("{}", left_dup[&3]);
|
||||
|
||||
i = 0;
|
||||
while i < right.len() {
|
||||
let mut k: usize = i;
|
||||
while k < right.len() && right[i] == right[k] {
|
||||
|
@ -71,15 +56,13 @@ fn main() {
|
|||
i = k;
|
||||
}
|
||||
|
||||
//println!("{}", right_dup[&3]);
|
||||
|
||||
let mut accum: i32 = 0;
|
||||
for (left, num) in &left_dup {
|
||||
let shit = match right_dup.get(left) {
|
||||
for num in left {
|
||||
let shit = match right_dup.get(&num) {
|
||||
Some(val) => *val,
|
||||
None => 0,
|
||||
};
|
||||
accum += (*left * (*num as i32)) * (shit as i32);
|
||||
accum += num * (shit as i32);
|
||||
}
|
||||
|
||||
println!("Answer: {}", accum);
|
||||
|
|
Loading…
Reference in a new issue