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Putka Open 2020 – 4/5

Ruudukko

  • Start: 2020-11-06 18:00:00
  • End: 2020-11-08 23:00:00
CSES - Putka Open 2020 – 4/5 - Results
Submission details
Task:Ruudukko
Sender:Hennkka
Submission time:2020-11-07 18:52:37 +0200
Language:Rust
Status:READY
Result:5
Feedback
groupverdictscore
#1ACCEPTED5
#20
#30
#40
#50
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 5details
#20.01 s2, 5details
#30.01 s3, 5details
#40.01 s4, 5details
#50.01 s5details
#60.01 s5details
#70.01 s2, 5details
#80.01 s2, 5details
#90.01 s3, 5details
#100.01 s3, 5details
#110.01 s3, 5details
#120.01 s3, 5details
#130.01 s4, 5details
#140.01 s5details
#150.01 s3, 5details
#160.01 s5details

Compiler report

warning: unused import: `rand::prelude::*`
 --> input/code.rs:1:5
  |
1 | use rand::prelude::*;
  |     ^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: unused import: `std::collections::BTreeMap`
 --> input/code.rs:2:5
  |
2 | use std::collections::BTreeMap;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^

Code

use rand::prelude::*;
use std::collections::BTreeMap;
use std::io::BufRead;

fn solve(h: usize, w: usize, y1: usize, x1: usize, y2: usize, x2: usize) -> Option<String> {
    if y2 < y1 {
        return solve(h, w, h + 1 - y1, x1, h + 1 - y2, x2).map(|solution| {
            solution
                .chars()
                .map(|c| match c {
                    'U' => 'D',
                    'D' => 'U',
                    c => c,
                })
                .collect()
        });
    }
    if x2 < x1 {
        return solve(h, w, y1, w + 1 - x1, y2, w + 1 - x2).map(|solution| {
            solution
                .chars()
                .map(|c| match c {
                    'R' => 'L',
                    'L' => 'R',
                    c => c,
                })
                .collect()
        });
    }

    if h == 1 {
        if x1 == 1 && x2 == w {
            Some("R".to_string().repeat(w - 1))
        } else {
            None
        }
    } else {
        unimplemented!()
    }
}

fn main() {
    let stdin = std::io::stdin();
    let stdin = stdin.lock();
    let mut lines = stdin.lines();

    let t: usize = lines.next().unwrap().unwrap().parse().unwrap();
    for _ in 0..t {
        let input: Vec<usize> = lines
            .next()
            .unwrap()
            .unwrap()
            .split_whitespace()
            .map(|v| v.parse().unwrap())
            .collect();
        if let Some(res) = solve(input[0], input[1], input[2], input[3], input[4], input[5]) {
            println!("YES");
            println!("{}", res);
        } else {
            println!("NO");
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;
}

Test details

Test 1

Group: 1, 5

Verdict: ACCEPTED

input
100
1 45 1 45 1 1
1 18 1 1 1 10
1 47 1 17 1 30
1 33 1 28 1 20
...
view save

correct output
YES
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
view save

user output
YES
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
Truncated

Test 2

Group: 2, 5

Verdict:

input
100
2 43 1 33 1 21
2 2 1 1 2 2
2 32 1 1 2 8
2 14 1 12 1 14
...
view save

correct output
NO
NO
NO
NO
YES
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 3

Group: 3, 5

Verdict:

input
100
3 4 2 1 2 4
3 38 2 24 1 22
3 29 2 23 2 3
3 8 3 1 1 2
...
view save

correct output
NO
NO
NO
YES
RRRRRRRUULDLULDLULDLLUR
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 4

Group: 4, 5

Verdict:

input
100
4 25 2 19 1 5
4 13 3 10 4 12
4 7 3 1 4 2
4 23 1 19 2 5
...
view save

correct output
YES
DDRRRRRRULLLLLURRRRRULLLLLLLDD...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 5

Group: 5

Verdict:

input
100
16 8 13 1 14 8
41 21 19 11 32 12
46 17 13 7 6 11
8 41 4 32 4 12
...
view save

correct output
NO
YES
LURULURULURULURULURRDDDDDDDDDR...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 6

Group: 5

Verdict:

input
100
31 38 18 35 31 37
35 48 7 13 21 21
46 21 25 2 4 19
35 2 13 2 35 1
...
view save

correct output
YES
LLLLLLLLLLLLDRRRRRRRRRRRRDLLLL...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 7

Group: 2, 5

Verdict:

input
100
2 4 1 3 1 4
2 4 2 2 1 1
2 4 2 3 1 2
2 4 2 3 1 4
...
view save

correct output
YES
LLDRRRU
NO
NO
NO
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 8

Group: 2, 5

Verdict:

input
100
2 5 1 2 2 4
2 5 1 2 1 1
2 5 2 1 1 2
2 5 1 1 1 5
...
view save

correct output
YES
LDRRURRDL
YES
RRRDLLLLU
NO
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 9

Group: 3, 5

Verdict:

input
100
3 4 1 1 2 3
3 4 2 4 3 2
3 4 2 1 3 1
3 4 1 4 3 4
...
view save

correct output
YES
DDRRRUULLDR
NO
YES
URRRDDLULDL
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 10

Group: 3, 5

Verdict:

input
100
3 5 3 4 3 2
3 5 3 5 2 3
3 5 3 1 2 2
3 5 3 1 3 2
...
view save

correct output
NO
NO
YES
UURRRRDDLULDLU
NO
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 11

Group: 3, 5

Verdict:

input
100
3 8 2 8 1 2
3 8 2 4 1 7
3 8 3 4 2 7
3 8 2 5 3 1
...
view save

correct output
NO
NO
NO
YES
LLLDRRRRURDRUULLLLLLLDD
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 12

Group: 3, 5

Verdict:

input
100
3 9 1 3 2 9
3 9 1 6 1 5
3 9 3 6 2 8
3 9 3 2 3 4
...
view save

correct output
NO
NO
NO
NO
NO
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 13

Group: 4, 5

Verdict:

input
100
4 4 2 2 1 4
4 4 4 1 2 2
4 4 2 1 4 3
4 4 3 1 3 3
...
view save

correct output
YES
DDLUUURRDDDRUUU
YES
UUURRRDLDRDLLUU
NO
...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 14

Group: 5

Verdict:

input
100
12 27 6 22 1 8
6 25 3 2 4 4
6 16 4 6 5 2
36 33 8 6 1 6
...
view save

correct output
YES
DLDDDDDRUUUURDDDDRUURDDRRULURU...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 15

Group: 3, 5

Verdict:

input
100
3 12 3 5 1 4
3 20 3 19 2 19
3 34 3 9 2 9
3 38 2 15 3 15
...
view save

correct output
YES
RRRRRRRUULDLULDLULDLULDLDLULDL...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Test 16

Group: 5

Verdict:

input
100
50 50 29 1 16 21
50 50 37 5 23 48
50 50 32 22 45 24
50 50 6 28 12 37
...
view save

correct output
YES
DDDDDDDDDDDDDDDDDDDDDRUUUUUUUU...
view save

user output
(empty)

Error:
thread 'main' panicked at 'not implemented', input/code.rs:38:9
note: run with `RUST_BACKT...

Tasks

A Neliöt-B Peli-C Tekijät-D Ruudukko-

Submissions (Hennkka)

2020-11-08 21:52:42 722020-11-08 17:59:15 442020-11-08 14:04:10 52020-11-08 14:00:09 52020-11-08 13:58:32 02020-11-08 13:16:35 172020-11-08 13:16:05 172020-11-08 11:43:21 172020-11-08 00:53:51 172020-11-08 00:39:59 172020-11-07 21:55:06 172020-11-07 21:42:56 52020-11-07 21:42:12 02020-11-07 18:52:37 52020-11-07 18:50:11 02020-11-07 00:01:04 5