53 lines
No EOL
1.8 KiB
Rust
53 lines
No EOL
1.8 KiB
Rust
use db::LayoutDB;
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use city::{City, House, SIZE};
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use itertools::Itertools;
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mod city;
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mod db;
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mod combine;
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fn main() {
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let mut db = LayoutDB::from_file("layouts.sqlite").expect("Failed to load the DB");
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eprintln!("Loaded the DB, {} stored layouts", db.layouts().len());
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let city = City::read_from_file("01.in");
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eprintln!("Loaded the city file, {} houses", city.get_house_count());
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let layouts = db.layouts();
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let sorted: Vec<_> = layouts.iter().sorted_by(|x, y| city::get_price(&city, x.houses()).cmp(&city::get_price(&city, y.houses()))).collect();
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const TOP_LAYOUT_COUNT: usize = 100;
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let chosen_layouts: Vec<_> = sorted.iter().take(TOP_LAYOUT_COUNT).map(|l| l.houses().clone()).collect();
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//eprintln!("Starting to combine {} top houses DB; vertical cuts", TOP_LAYOUT_COUNT);
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//combine::try_combine(&city, &chosen_layouts, &chosen_layouts, false);
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eprintln!("Transposing...");
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let transposed_city = transpose_city(&city);
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let transposed_chosen_layouts: Vec<_> = chosen_layouts.iter().map(|x| transpose_layout(x)).collect();
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eprintln!("Starting to combine {} top houses DB; horizontal cuts", TOP_LAYOUT_COUNT);
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combine::try_combine(&transposed_city, &transposed_chosen_layouts, &transposed_chosen_layouts, true);
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}
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fn transpose_city(city: &City) -> City {
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let mut transposed_prices = vec![0u16; SIZE * SIZE];
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for y in 0..SIZE {
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for x in 0..SIZE {
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// Sorry, cache! Not worth optimizing with blocks,
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// this is not going to be ran often.
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transposed_prices[y * SIZE + x] = city.get_price_xy(y, x);
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}
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}
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City::new(transposed_prices)
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}
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fn transpose_layout(houses: &Vec<House>) -> Vec<House> {
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let mut transposed = Vec::new();
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for house in houses {
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transposed.push(House::new(house.y, house.x));
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}
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transposed
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} |