Hypyt

warning: unused variable: `value`
  --> input/code.rs:14:13
   |
14 |     let mut value: usize = 0;
   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: unused variable: `row`
  --> input/code.rs:16:9
   |
16 |     for row in 0..startdata[0] {
   |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`

warning: unused variable: `question`
  --> input/code.rs:23:9
   |
23 |     for question in 0..startdata[2] {
   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_question`

warning: unused variable: `dist`
  --> input/code.rs:61:42
   |
61 | ...                   Some(dist) => {}
   |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_dist`

warning: unused variable: `dist`
  --> input/code.rs:80:34
   |
80 | ...                   Some(dist) => {}
   |                            ^^^^...

use std::io;
use std::collections::{VecDeque, HashMap};
use std::time::{SystemTime, UNIX_EPOCH};

type NodeID = (usize, usize);

fn main() {
    let mut input = String::new();
    io::stdin().read_line(&mut input).expect("Failed to read input");
 
    let startdata: Vec<usize> = input.split_whitespace().map(|e| e.parse::<usize>().unwrap()).collect();

    let mut grid: Vec<Vec<u8>> = vec!();
    let mut value: usize = 0;

    for row in 0..startdata[0] {
        let mut rowinput = String::new();
        io::stdin().read_line(&mut rowinput).expect("Failed to read input");
        grid.push(rowinput.into_bytes());
    }

    let mut distancehash: HashMap<(NodeID, NodeID), isize> = HashMap::new();
    for question in 0..startdata[2] {
        let mut questioninput = String::new();
        io::stdin().read_line(&mut questioninput).expect("Failed to read input");
        let start = SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_nanos();
        let questiondata: Vec<usize> = questioninput.split_whitespace().map(|e| e.parse::<usize>().unwrap()-1).collect();

        let source: NodeID = (questiondata[0], questiondata[1]);
        let destination: NodeID = (questiondata[2], questiondata[3]);

        match distancehash.get(&(source, destination)) {
            Some(s) => {
                println!("{}", s); 
                continue;}
            None => {}
        }

        let mut queue: VecDeque<NodeID> = VecDeque::new();
        distancehash.insert((source, source), 0);
        queue.push_front(source);

        'outer: loop {
            let node = match queue.pop_back() {
                Some(n) => n,
                None => break
            };

            match distancehash.get(&(node, destination)) {
                Some(dist) => {let _ = distancehash.insert((source, destination), distancehash[&(source, node)]+dist); break;}
                None => {}
            };

            for row in 0..grid.len() {
                if row == node.0 {
                    for cell in 0..grid[row].len() {
                        if grid[row][cell] == 46 {
                            if cell != node.1 {
                                let neighbor: NodeID = (row, cell);
                                match distancehash.get_mut(&(source, neighbor)) {
                                    Some(dist) => {}
                                    None => {
                                        let dist = distancehash[&(source, node)]+1;
                                        distancehash.insert((source, neighbor), dist);
                                        distancehash.insert((neighbor, source), dist);
                                        queue.push_front(neighbor);
                                    }
                                }
                                if neighbor == destination {
                                    queue.clear();
                                    break 'outer;
                                }
                            }
                        }
                    }
                } else {
                    if grid[row][node.1] == 46 {
                        let neighbor: NodeID = (row, node.1);
                        match distancehash.get_mut(&(source, neighbor)) {
                            Some(dist) => {}
                            None => {
                                let dist = distancehash[&(source, node)]+1;
                                distancehash.insert((source, neighbor), dist);
                                distancehash.insert((neighbor, source), dist);
                                queue.push_front(neighbor);
                            }
                        }
                        if neighbor == destination {
                            queue.clear();
                            break 'outer;
                        }
                    }
                }
            }

            /*for neighbor in &graph.data[&node] {
                match distancehash.get_mut(&(source, *neighbor)) {
                    Some(dist) => {}
                    None => {
                        distancehash.insert((source, *neighbor), distancehash[&(source, node)]+1);
                        distancehash.insert((*neighbor, source), distancehash[&(node, source)]+1);
                        queue.push_front(*neighbor);
                    }
                }
                if *neighbor == destination {
                    queue.clear();
                    break 'outer;
                }
            }*/
        }
        match distancehash.get(&(source, destination)) {
            Some(dist) => {println!("{}", dist)}
            None => {println!("-1")}
        }
        let end = SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_nanos();
        println!("{}", end-start);
    }
}

Test 1 (public)

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

Test 2

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

Test 3

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

Test 4

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

Test 5

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

Test 6

Group: 2, 5

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2, 5

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2, 5

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3, 4, 5

Verdict: WRONG ANSWER

Test 12

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 5

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 5

Verdict: TIME LIMIT EXCEEDED

Test 17

Group: 5

Verdict: TIME LIMIT EXCEEDED

Test 18

Group: 5

Verdict: TIME LIMIT EXCEEDED

Test 19

Group: 5

Verdict: WRONG ANSWER

Test 20

Group: 5

Verdict: TIME LIMIT EXCEEDED

Test 21

Group: 5

Verdict: WRONG ANSWER

Test 22

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

Test 23

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

Test 24

Group: 5

Verdict: WRONG ANSWER

Test 25

Group: 5

Verdict: WRONG ANSWER

Test 26

Group: 5

Verdict: TIME LIMIT EXCEEDED

Test 27

Group: 5

Verdict: WRONG ANSWER