Решение на Домашно 1 - търсене на съкровища от Стилиян Иванов
Резултати
- 16 точки от тестове
- 0 бонус точки
- 16 точки общо
- 4 успешни тест(а)
- 1 неуспешни тест(а)
Код
use std::sync::{mpsc, Arc};
use std::sync::atomic::{AtomicBool, Ordering};
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct TreasureLoc {
pub lane_index: usize,
pub cell_coord: usize,
pub value: i32,
}
#[derive(Debug, PartialEq, Eq)]
pub enum FoundTreasures {
Big(TreasureLoc),
Small(Vec<TreasureLoc>),
Nothing,
}
pub struct Scan<'a> {
pub start_coord: usize,
pub cells: &'a [i32],
}
enum Message {
Found(TreasureLoc),
Finished,
}
pub struct Drone {
lane_index: usize,
tx: mpsc::Sender<Message>,
should_stop: Arc<AtomicBool>,
}
impl Drone {
pub fn explore(&mut self, scanner: &mut dyn Iterator<Item = Scan<'_>>) {
for scan in scanner {
if self.should_stop.load(Ordering::Relaxed) {
return;
}
for (i, &val) in scan.cells.iter().enumerate() {
if val > 0 {
let loc = TreasureLoc {
lane_index: self.lane_index,
cell_coord: scan.start_coord + i,
value: val,
};
let _ = self.tx.send(Message::Found(loc));
let _ = self.tx.send(Message::Finished);
return;
}
}
}
let _ = self.tx.send(Message::Finished);
}
}
pub struct DroneController {
tx: mpsc::Sender<Message>,
rx: mpsc::Receiver<Message>,
should_stop: Arc<AtomicBool>,
drone_count: usize,
}
impl DroneController {
pub fn new() -> Self {
let (tx, rx) = mpsc::channel();
Self {
tx,
rx,
should_stop: Arc::new(AtomicBool::new(false)),
drone_count: 0,
}
}
pub fn create_drone(&mut self, lane_index: usize) -> Drone {
self.drone_count += 1;
Drone {
lane_index,
tx: self.tx.clone(),
should_stop: Arc::clone(&self.should_stop),
}
}
pub fn run(&mut self) -> FoundTreasures {
let mut smalls = Vec::new();
let mut total_val = 0;
let mut finished_drones = 0;
let _old_tx = std::mem::replace(&mut self.tx, mpsc::channel().0);
drop(_old_tx);
while let Ok(msg) = self.rx.recv() {
match msg {
Message::Found(loc) => {
if loc.value >= 999 {
self.should_stop.store(true, Ordering::SeqCst);
return FoundTreasures::Big(loc);
}
total_val += loc.value;
smalls.push(loc);
if total_val >= 300 {
self.should_stop.store(true, Ordering::SeqCst);
return FoundTreasures::Small(smalls);
}
}
Message::Finished => {
finished_drones += 1;
if finished_drones >= self.drone_count {
break;
}
}
}
}
FoundTreasures::Nothing
}
}
Лог от изпълнението
Updating crates.io index
Locking 46 packages to latest compatible versions
Compiling proc-macro2 v1.0.104
Compiling quote v1.0.42
Compiling libc v0.2.178
Compiling unicode-ident v1.0.22
Compiling syn v2.0.111
Compiling parking_lot_core v0.9.12
Compiling pin-project-lite v0.2.16
Compiling futures-core v0.3.31
Compiling futures-sink v0.3.31
Compiling futures-channel v0.3.31
Compiling memchr v2.7.6
Compiling cfg-if v1.0.4
Compiling smallvec v1.15.1
Compiling pin-utils v0.1.0
Compiling futures-task v0.3.31
Compiling scopeguard v1.2.0
Compiling futures-io v0.3.31
Compiling slab v0.4.11
Compiling lock_api v0.4.14
Compiling errno v0.3.14
Compiling signal-hook-registry v1.4.8
Compiling parking_lot v0.12.5
Compiling socket2 v0.6.1
Compiling mio v1.1.1
Compiling futures-macro v0.3.31
Compiling tokio-macros v2.6.0
Compiling futures-util v0.3.31
Compiling bytes v1.11.0
Compiling tokio v1.48.0
Compiling futures-executor v0.3.31
Compiling futures v0.3.31
Compiling solution v0.1.0 (/tmp/d20251229-4108951-1fkelh0/solution)
Finished `test` profile [unoptimized + debuginfo] target(s) in 17.54s
Running tests/solution_test.rs (target/debug/deps/solution_test-f512224d9fb3caf8)
running 5 tests
test solution_test::test_nothing ... ok
test solution_test::test_big_treasure ... ok
test solution_test::test_small_treasure ... ok
test solution_test::test_small_treasure_2 ... FAILED
test solution_test::test_return_immediately_when_found ... ok
failures:
---- solution_test::test_small_treasure_2 stdout ----
thread 'solution_test::test_small_treasure_2' panicked at tests/solution_test.rs:144:14:
assertion failed
expected: FoundTreasures::Small(_)
found: Nothing
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
failures:
solution_test::test_small_treasure_2
test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
error: test failed, to rerun pass `--test solution_test`