CSES - Datatähti 2026 alku

Submission details
Task:	Maalaus
Sender:	asonnine
Submission time:	2025-10-28 08:48:54 +0200
Language:	Rust (2021)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	10
#2	ACCEPTED	16
#3	ACCEPTED	32
#4	ACCEPTED	42

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 3, 4	details
#2	ACCEPTED	0.00 s	3, 4	details
#3	ACCEPTED	0.00 s	1, 3, 4	details
#4	ACCEPTED	0.06 s	2, 4	details
#5	ACCEPTED	0.06 s	2, 4	details
#6	ACCEPTED	0.01 s	3, 4	details
#7	ACCEPTED	0.01 s	3, 4	details
#8	ACCEPTED	0.34 s	4	details
#9	ACCEPTED	0.34 s	4	details
#10	ACCEPTED	0.00 s	1, 3, 4	details
#11	ACCEPTED	0.00 s	1, 3, 4	details
#12	ACCEPTED	0.05 s	2, 4	details
#13	ACCEPTED	0.05 s	2, 4	details
#14	ACCEPTED	0.06 s	4	details
#15	ACCEPTED	0.06 s	4	details
#16	ACCEPTED	0.08 s	4	details
#17	ACCEPTED	0.07 s	4	details

Code

use std::{collections::HashSet, io, usize};

enum Line {
    COLUMN,
    ROW,
}

fn main() {
    let mut input = String::new();
    io::stdin().read_line(&mut input).unwrap();
    let (n, m, k, q): (usize, usize, usize, usize) = {
        let mut iter = input.split_whitespace();
        (
            iter.next().unwrap().parse().unwrap(),
            iter.next().unwrap().parse().unwrap(),
            iter.next().unwrap().parse().unwrap(),
            iter.next().unwrap().parse().unwrap(),
        )
    };

    let mut actions: Vec<(Line, usize, usize)> = Vec::new();

    for _ in 0..q {
        let mut input = String::new();
        io::stdin().read_line(&mut input).unwrap();
        actions.push({
            let mut iter = input.split_whitespace();
            (
                {
                    match iter.next().unwrap() {
                        "R" => Line::ROW,
                        "C" => Line::COLUMN,
                        _ => panic!(),
                    }
                },
                iter.next().unwrap().parse().unwrap(),
                iter.next().unwrap().parse().unwrap(),
            )
        });
    }

    let mut columns: HashSet<usize> = HashSet::new();
    let mut rows: HashSet<usize> = HashSet::new();
    let mut used_columns: usize = 0;
    let mut used_rows: usize = 0;
    let mut colours: Vec<usize> = vec![0; k];

    for action in actions.into_iter().rev() {
        match action.0 {
            Line::COLUMN => {
                if !columns.contains(&action.1) {
                    columns.insert(action.1);
                    used_columns += 1;
                    colours[action.2 - 1] += n - used_rows;
                }
            }
            Line::ROW => {
                if !rows.contains(&action.1) {
                    rows.insert(action.1);
                    used_rows += 1;
                    colours[action.2 - 1] += m - used_columns;
                }
            }
        }
    }
    for colour in colours {
        println!("{colour}");
    }
}

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

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

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

Test 4

Group: 2, 4

Verdict: ACCEPTED

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
`199984000629575` view save

Test 5

Group: 2, 4

Verdict: ACCEPTED

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
`126261014543986` view save

Test 6

Group: 3, 4

Verdict: ACCEPTED

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

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

user output
`999999400 2999997760 999999118 999999745 1999999641 ...` view save

Test 7

Group: 3, 4

Verdict: ACCEPTED

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

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

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

Test 8

Group: 4

Verdict: ACCEPTED

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

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

user output
`0 0 999997829 0 1999872519 ...` view save

Test 9

Group: 4

Verdict: ACCEPTED

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

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

user output
`999986843 0 0 999966411 999971774 ...` view save

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

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

Test 12

Group: 2, 4

Verdict: ACCEPTED

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
`1000000000` view save

Test 13

Group: 2, 4

Verdict: ACCEPTED

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
`1000000000` view save

Test 14

Group: 4

Verdict: ACCEPTED

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

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

user output
`2003899199298 2016897879262 2023895998898 2027897126864 2049897770031 ...` view save

Test 15

Group: 4

Verdict: ACCEPTED

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

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

user output
`1267960483393 1326958437362 1282959740036 1284959767254 1276959856528 ...` view save

Test 16

Group: 4

Verdict: ACCEPTED

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

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

user output
`26998778013 13999380552 23998918414 17998990208 15999444847 ...` view save

Test 17

Group: 4

Verdict: ACCEPTED

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

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

user output
`7999699356 8999760379 12999665860 9999570154 11999668957 ...` view save

Datatähti 2026 alku

Maalaus

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 (asonnine)