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Datatähti 2026 alku

Tulkki

  • Start: 2025-10-27 00:00:00
  • End: 2025-11-10 00:00:00
Submission details
Task:Tulkki
Sender:ma100
Submission time:2025-10-27 21:55:43 +0200
Language:Rust (2021)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1--1, 2, 3details
#2--1, 2, 3details
#3--1, 2, 3details
#4--1, 2, 3details
#5--1, 2, 3details
#6--1, 2, 3details
#70.00 s2, 3details
#80.00 s2, 3details
#90.00 s2, 3details
#100.00 s2, 3details
#110.00 s2, 3details
#120.00 s2, 3details
#130.00 s3details
#140.00 s3details
#150.00 s3details
#160.00 s3details
#170.00 s3details
#180.00 s3details

Code

use std::io::{self, Write};

fn main() {
    let mut regs: [u64; 26] = [0; 26];
    let mut left_over = String::new();

    loop {
        let mut input = left_over.clone();
        // Read a new line if too little data is available
        if left_over.split_ascii_whitespace().count() < 2 {
            let mut buf = input.clone();
            io::stdin().read_line(&mut buf).expect("read line error");
            let mut buf = buf.trim();
            match buf.find("#") {
                Some(i) => {
                    buf = &buf[..i];
                }
                None => {}
            };
            if buf.is_empty() {
                // Input, but nothing executable
                continue;
            }
            input = buf.to_string();
        }
        let mut input = input.split_ascii_whitespace();

        let instr = input.next().expect("too few arguments");
        left_over.push_str(instr);
        left_over.push(' ');

        let reg = match input.next() {
            Some(s) => s,
            None => continue,
        };
        left_over.push_str(reg);
        left_over.push(' ');
        let reg: usize = (reg.as_bytes()[0] - 65).into();

        match instr {
            "CLEAR" => regs[reg] = 0,
            "INCREASE" => regs[reg] += 1,
            "PRINT" => {
                println!("{}", regs[reg]);
                io::stdout().flush().expect("failed to flush");
            },
            _ => panic!("illegal instruction '{instr}'"),
        }

        left_over = String::new();
        for member in input {
            left_over.push_str(member);
            left_over.push(' ');
        }
    }
}

Test details

Test 1 (public)

Group: 1, 2, 3

Verdict:

input
PRINT X
INCREASE X
PRINT X
INCREASE X
PRINT X
...
view save

correct output
0 1 2 0 
view save

user output
(empty)

Test 2 (public)

Group: 1, 2, 3

Verdict:

input
INCREASE
X
# aybabtu
   PRINT    X
INCREASE # test
...
view save

correct output
1 3 
view save

user output
(empty)

Test 3 (public)

Group: 1, 2, 3

Verdict:

input
# Create number 3
INCREASE X
INCREASE X
INCREASE X

...
view save

correct output
3 
view save

user output
(empty)

Test 4 (public)

Group: 1, 2, 3

Verdict:

input
INCREASE A
PRINT A
INCREASE B
PRINT B
INCREASE C
...
view save

correct output
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
view save

user output
(empty)

Test 5 (public)

Group: 1, 2, 3

Verdict:

input
INCREASE X
INCREASE X
INCREASE X
INCREASE X
INCREASE X
...
view save

correct output
999 
view save

user output
(empty)

Test 6 (public)

Group: 1, 2, 3

Verdict:

input
PRINT X
PRINT X
PRINT X
PRINT X
PRINT X
...
view save

correct output
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
view save

user output
(empty)

Test 7 (public)

Group: 2, 3

Verdict:

input
INCREASE A
INCREASE A
INCREASE A
INCREASE A
INCREASE A
...
view save

correct output
5 5 5 5 5 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 8 (public)

Group: 2, 3

Verdict:

input
INCREASE A
INCREASE A
INCREASE A
INCREASE A
INCREASE A
...
view save

correct output
0 0 0 0 0 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 9 (public)

Group: 2, 3

Verdict:

input
INCREASE A
INCREASE A
INCREASE A
INCREASE A
INCREASE A
...
view save

correct output
6 7 8 9 10 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 10 (public)

Group: 2, 3

Verdict:

input
INCREASE A
INCREASE A
INCREASE A
INCREASE A
INCREASE A
...
view save

correct output
5 5 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 11 (public)

Group: 2, 3

Verdict:

input
INCREASE A
INCREASE A
INCREASE A
INCREASE A
INCREASE A
...
view save

correct output
20 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 12 (public)

Group: 2, 3

Verdict:

input
INCREASE A
INCREASE A

INCREASE B
INCREASE B
...
view save

correct output
42 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 13 (public)

Group: 3

Verdict:

input
INCREASE A
INCREASE A
INCREASE A
INCREASE A
INCREASE A
...
view save

correct output
1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 14 (public)

Group: 3

Verdict:

input
# Create number 3
INCREASE A INCREASE A INCREASE...
view save

correct output
12 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 15 (public)

Group: 3

Verdict:

input
INCREASE X
INCREASE X
INCREASE X
INCREASE X
INCREASE X
...
view save

correct output
531441 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 16 (public)

Group: 3

Verdict:

input
INCREASE A
INCREASE A
INCREASE A
INCREASE A
INCREASE A
...
view save

correct output
1337 
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 17 (public)

Group: 3

Verdict:

input
INCREASE A
INCREASE A

REPEAT A TIMES (
    REPEAT A TIMES (
...
view save

correct output
1 2 1 2 1 1 3 4 3 4 3 4 3 4 3 ...
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 18 (public)

Group: 3

Verdict:

input
# Efficient algorithm for find...
view save

correct output
2 3 5 7 11 13 17 19 23 29 31 3...
view save

user output
(empty)

Error:
thread 'main' panicked at input/code.rs:47:18:
illegal instruction 'REPEAT'
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Tasks

A Palindromi-B Monikulmio-C Tulkki-D Maalaus-E Hypyt-F Lukujono-

Submissions (ma100)

2025-10-28 18:13:48 1002025-10-28 18:07:47 442025-10-28 18:06:10 442025-10-28 18:02:33 122025-10-28 17:12:52 122025-10-28 11:08:13 122025-10-27 21:55:43 02025-10-27 21:49:03 02025-10-27 21:48:39 02025-10-27 21:47:16 02025-10-27 11:09:35 0