CSES - Datatähti 2026 alku

Submission details
Task:	Maalaus
Sender:	Jaksu
Submission time:	2025-10-30 20:30:39 +0200
Language:	Rust (2021)
Status:	READY
Result:	10

Feedback
group	verdict	score
#1	ACCEPTED	10
#2	TIME LIMIT EXCEEDED	0
#3	TIME LIMIT EXCEEDED	0
#4	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 3, 4	details
#2	ACCEPTED	0.01 s	3, 4	details
#3	ACCEPTED	0.01 s	1, 3, 4	details
#4	TIME LIMIT EXCEEDED	--	2, 4	details
#5	TIME LIMIT EXCEEDED	--	2, 4	details
#6	TIME LIMIT EXCEEDED	--	3, 4	details
#7	TIME LIMIT EXCEEDED	--	3, 4	details
#8	TIME LIMIT EXCEEDED	--	4	details
#9	TIME LIMIT EXCEEDED	--	4	details
#10	ACCEPTED	0.01 s	1, 3, 4	details
#11	ACCEPTED	0.01 s	1, 3, 4	details
#12	TIME LIMIT EXCEEDED	--	2, 4	details
#13	TIME LIMIT EXCEEDED	--	2, 4	details
#14	TIME LIMIT EXCEEDED	--	4	details
#15	TIME LIMIT EXCEEDED	--	4	details
#16	TIME LIMIT EXCEEDED	--	4	details
#17	TIME LIMIT EXCEEDED	--	4	details

Compiler report

warning: unused variable: `color`
  --> input/code.rs:14:9
   |
14 |     for color in 0..startdata[2] {
   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: 1 warning emitted

Code

use std::io;

fn main() {
    let mut input = String::new();
    io::stdin().read_line(&mut input).expect("Failed to read input");

    let startdata: Vec<usize> = input.split_ascii_whitespace().map(|e| e.parse::<usize>().unwrap()).collect();

    // Row- and colvectors contain information on the index, color and step of an operation in that order.
    let mut rowvector: Vec<(usize, usize, usize)> = vec!();
    let mut colvector: Vec<(usize, usize, usize)> = vec!();
    let mut colors: Vec<usize> = vec!();

    for color in 0..startdata[2] {
        colors.push(0);
    }

    for step in 1..(startdata[3]+1) {
        let mut stepinput = String::new();
        io::stdin().read_line(&mut stepinput).expect("Failed to read input");

        let stepdata = parse_input(&stepinput);

        if stepdata.2 {
            let mut targetstep = 0;
            let mut targetcolor = startdata[2];
            colors[stepdata.1] += startdata[1];
            rowvector.push((stepdata.0, stepdata.1, step));
            for rownum in (0..(rowvector.len()-1)).rev() {
                if rowvector[rownum].0 == stepdata.0 {
                    targetcolor = rowvector[rownum].1;
                    targetstep = rowvector[rownum].2;
                    rowvector[rownum].2 = 0;
                    break;
                }
            }

            for col in colvector.iter().rev() {
                if col.2 != 0 {
                    if col.2 < targetstep {
                        break;
                    } else {
                        colors[col.1] -= 1;
                        if targetcolor != startdata[2] {
                            colors[targetcolor] += 1;
                        }
                    }
                }
            }
            if targetcolor != startdata[2] {
                colors[targetcolor] -= startdata[1];
            }
        } else {
            let mut targetstep = 0;
            let mut targetcolor = startdata[2];
            colors[stepdata.1] += startdata[0];
            colvector.push((stepdata.0, stepdata.1, step));
            for colnum in (0..(colvector.len()-1)).rev() {
                if colvector[colnum].0 == stepdata.0 {
                    targetcolor = colvector[colnum].1;
                    targetstep = colvector[colnum].2;
                    colvector[colnum].2 = 0;
                    break;
                }
            }

            for row in rowvector.iter().rev() {
                if row.2 != 0 {
                    if row.2 < targetstep {
                        break;
                    } else {
                        colors[row.1] -= 1;
                        if targetcolor != startdata[2] {
                            colors[targetcolor] += 1;
                        }
                    }
                }
            }
            if targetcolor != startdata[2] {
                colors[targetcolor] -= startdata[0];
            }
        }

        dbg!(&rowvector);
        dbg!(&colvector);
        dbg!(&colors);
    }

    for color in colors {
        println!("{}", color);
    }
}

pub fn parse_input(input: &String) -> (usize, usize, bool) {
    let datavector: Vec<&str> = input.split_ascii_whitespace().collect();
    let command = match datavector[0] {
        "R" => true,
        "C" => false,
        _ => false,
    };
 
    let index = datavector[1].parse::<usize>().unwrap();
    let color = datavector[2].parse::<usize>().unwrap();
 
    return (index-1, color-1, command);
}

Test details

Test 1 (public)

Group: 1, 3, 4

Verdict: ACCEPTED

input
`3 4 4 4 R 1 1 C 3 4 R 2 2 R 1 1` view save

correct output
`4 4 0 1` view save

user output
`4 4 0 1` view save

Error:

[input/code.rs:84] &rowvector = [
    (
        0,
        0,
        1,
    ),
]
[input/code.rs:85] &colvector = []
[input/code.rs:86] &colors = [
    4,
    0,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        0,
        0,
        1,
    ),
]
[input/code.rs:85] &colvector = [
    (
        2,
        3,
        2,
    ),
]
[input/code.rs:86] &colors = [
    3,
    0,
    0,
    3,
]
[input/code.rs:84] &rowvector = [
    (
        0,
        0,
        1,
    ),
    (
        1,
        1,
        3,
    ),
]
[input/code.rs:85] &colvector = [
    (
        2,
        3,
        2,
    ),
]
[input/code.rs:86] &colors = [
    3,
    4,
    0,
    2,
]
[input/code.rs:84] &rowvector = [
    (
        0,
        0,
        0,
    ),
    (
        1,
        1,
        3,
    ),
    (
        0,
        0,
        4,
    ),
]
[input/code.rs:85] &colvector = [
    (
        2,
        3,
        2,
    ),
]
[input/code.rs:86] &colors = [
    4,
    4,
    0,
    1,
]

Test 2 (public)

Group: 3, 4

Verdict: ACCEPTED

input
`1000000000 1000000000 5 10 C 70724881 4 C 290904744 1 C 569311326 5 R 896293092 1 ...` view save

correct output
`3999999991 1999999998 19999999...` view save

user output
`3999999991 1999999998 1999999999 999999994 999999994` view save

Error:

[input/code.rs:84] &rowvector = []
[input/code.rs:85] &colvector = [
    (
        70724880,
        3,
        1,
    ),
]
[input/code.rs:86] &colors = [
    0,
    0,
    0,
    1000000000,
    0,
]
[input/code.rs:84] &rowvector = []
[input/code.rs:85] &colvector = [
    (
        70724880,
        3,
        1,
    ),
    (
        290904743,
        0,
        2,
    ),
]
[input/code.rs:86] &colors = [
    1000000000,
    0,
    0,
    1000000000,
    0,
]
[input/code.rs:84] &rowvector = []
[input/code.rs:85] &colvector = [
    (
        70724880,
        3,
        1,
    ),
    (
        290904743,
        0,
        2,
    ),
    (
        569311325,
        4,
        3,
    ),
]
[input/code.rs:86] &colors = [
    1000000000,
    0,
    0,
    1000000000,
    1000000000,
]
[input/code.rs:84] &rowvector = [
    (
        896293091,
        0,
        4,
    ),
]
[input/code.rs:85] &colvector = [
    (
        70724880,
        3,
        1,
    ),
    (
        290904743,...

Test 3

Group: 1, 3, 4

Verdict: ACCEPTED

input
`10 10 10 10 R 10 8 C 1 2 R 10 2 R 1 4 ...` view save

correct output
`0 13 0 8 7 20 0 0 10 7` view save

user output
`0 13 0 8 7 ...` view save

Error:

[input/code.rs:84] &rowvector = [
    (
        9,
        7,
        1,
    ),
]
[input/code.rs:85] &colvector = []
[input/code.rs:86] &colors = [
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    10,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        9,
        7,
        1,
    ),
]
[input/code.rs:85] &colvector = [
    (
        0,
        1,
        2,
    ),
]
[input/code.rs:86] &colors = [
    0,
    10,
    0,
    0,
    0,
    0,
    0,
    9,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        9,
        7,
        0,
    ),
    (
        9,
        1,
        3,
    ),
]
[input/code.rs:85] &colvector = [
    (
        0,
        1,
        2,
    ),
]
[input/code.rs:86] &colors = [
    0,
    19,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        9,
        7,
        0,
    ),
    (
        9,
        1,
        3,
    ),
    (
        0,
        3,
        4,
    ),
]
[input/code.rs:85] &col...

Test 4

Group: 2, 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 1 200000 R 185082082 1 C 549662476 1 R 484749097 1 R 330334821 1 ...` view save

correct output
`199984000629575` view save

user output
(empty)

Test 5

Group: 2, 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 1 200000 C 354072394 1 C 221236382 1 C 63527838 1 C 538599654 1 ...` view save

correct output
`126261014543986` view save

user output
(empty)

Test 6

Group: 3, 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 2000 200...` view save

correct output
`999999400 2999997760 999999118...` view save

user output
(empty)

Test 7

Group: 3, 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 2000 200...` view save

correct output
`999999481 0 999999445 0 0 0 0 ...` view save

user output
(empty)

Test 8

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 200000 2...` view save

correct output
`0 0 999997829 0 1999872519 199...` view save

user output
(empty)

Test 9

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 200000 2...` view save

correct output
`999986843 0 0 999966411 999971...` view save

user output
(empty)

Test 10

Group: 1, 3, 4

Verdict: ACCEPTED

input
`1 10 10 10 C 1 10 R 1 4 C 9 3 R 1 7 ...` view save

correct output
`1 0 0 0 0 0 0 9 0 0` view save

user output
`1 0 0 0 0 ...` view save

Error:

[input/code.rs:84] &rowvector = []
[input/code.rs:85] &colvector = [
    (
        0,
        9,
        1,
    ),
]
[input/code.rs:86] &colors = [
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    1,
]
[input/code.rs:84] &rowvector = [
    (
        0,
        3,
        2,
    ),
]
[input/code.rs:85] &colvector = [
    (
        0,
        9,
        1,
    ),
]
[input/code.rs:86] &colors = [
    0,
    0,
    0,
    10,
    0,
    0,
    0,
    0,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        0,
        3,
        2,
    ),
]
[input/code.rs:85] &colvector = [
    (
        0,
        9,
        1,
    ),
    (
        8,
        2,
        3,
    ),
]
[input/code.rs:86] &colors = [
    0,
    0,
    1,
    9,
    0,
    0,
    0,
    0,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        0,
        3,
        0,
    ),
    (
        0,
        6,
        4,
    ),
]
[input/code.rs:85] &colvector = [
    (
        0,
        9,
        1...

Test 11

Group: 1, 3, 4

Verdict: ACCEPTED

input
`10 1 10 10 R 4 6 R 5 1 R 4 2 R 3 9 ...` view save

correct output
`0 0 0 0 0 0 0 10 0 0` view save

user output
`0 0 0 0 0 ...` view save

Error:

[input/code.rs:84] &rowvector = [
    (
        3,
        5,
        1,
    ),
]
[input/code.rs:85] &colvector = []
[input/code.rs:86] &colors = [
    0,
    0,
    0,
    0,
    0,
    1,
    0,
    0,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        3,
        5,
        1,
    ),
    (
        4,
        0,
        2,
    ),
]
[input/code.rs:85] &colvector = []
[input/code.rs:86] &colors = [
    1,
    0,
    0,
    0,
    0,
    1,
    0,
    0,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        3,
        5,
        0,
    ),
    (
        4,
        0,
        2,
    ),
    (
        3,
        1,
        3,
    ),
]
[input/code.rs:85] &colvector = []
[input/code.rs:86] &colors = [
    1,
    1,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
]
[input/code.rs:84] &rowvector = [
    (
        3,
        5,
        0,
    ),
    (
        4,
        0,
        2,
    ),
    (
        3,
        1,
        3,
    ),
    (
        2,
        8,...

Test 12

Group: 2, 4

Verdict: TIME LIMIT EXCEEDED

input
`1 1000000000 1 200000 C 298761159 1 R 1 1 C 831911362 1 C 25171734 1 ...` view save

correct output
`1000000000` view save

user output
(empty)

Test 13

Group: 2, 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1 1 200000 R 68306849 1 C 1 1 C 1 1 R 485427101 1 ...` view save

correct output
`1000000000` view save

user output
(empty)

Test 14

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 100 2000...` view save

correct output
`2003899199298 2016897879262 20...` view save

user output
(empty)

Test 15

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 100 2000...` view save

correct output
`1267960483393 1326958437362 12...` view save

user output
(empty)

Test 16

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 10000 20...` view save

correct output
`26998778013 13999380552 239989...` view save

user output
(empty)

Test 17

Group: 4

Verdict: TIME LIMIT EXCEEDED

input
`1000000000 1000000000 10000 20...` view save

correct output
`7999699356 8999760379 12999665...` view save

user output
(empty)

Datatähti 2026 alku

Maalaus

Compiler report

Code

Test details

Test 1 (public)

Test 2 (public)

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Tasks

Submissions (Jaksu)