CSES - Datatähti 2025 alku

Submission details
Task:	Robotti
Sender:	Ez
Submission time:	2024-11-05 12:46:30 +0200
Language:	Rust (2021)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2	details
#2	RUNTIME ERROR	0.00 s	1, 2	details
#3	RUNTIME ERROR	0.00 s	1, 2	details
#4	RUNTIME ERROR	0.00 s	1, 2	details
#5	ACCEPTED	0.00 s	1, 2	details
#6	RUNTIME ERROR	0.00 s	1, 2	details
#7	RUNTIME ERROR	0.00 s	1, 2	details
#8	RUNTIME ERROR	0.00 s	1, 2	details
#9	RUNTIME ERROR	0.00 s	1, 2	details
#10	ACCEPTED	0.00 s	1, 2	details
#11	RUNTIME ERROR	0.00 s	1, 2	details
#12	RUNTIME ERROR	0.01 s	2	details
#13	RUNTIME ERROR	0.00 s	2	details
#14	RUNTIME ERROR	0.02 s	2	details
#15	ACCEPTED	0.00 s	2	details
#16	RUNTIME ERROR	0.00 s	2	details
#17	RUNTIME ERROR	0.01 s	2	details
#18	RUNTIME ERROR	0.18 s	2	details
#19	TIME LIMIT EXCEEDED	--	2	details
#20	TIME LIMIT EXCEEDED	--	2	details
#21	ACCEPTED	0.01 s	2	details
#22	ACCEPTED	0.01 s	2	details
#23	ACCEPTED	0.01 s	2	details
#24	RUNTIME ERROR	0.01 s	2	details

Code

use std::{process::exit, io::{BufRead, BufReader}};
static mut COINS: i32 = 0;
static mut STEPS: usize = 0;
static mut V: bool = false;
static mut O: bool = false;
static mut VI: usize = 0;
static mut OI: usize = 0;

fn main() {
    let mut input = BufReader::new(std::io::stdin());
    let mut line = "".to_string();
    input.read_line(&mut line).unwrap();
    let mut split = line.split_whitespace();
    let n: usize = split.next().unwrap().parse().unwrap();
    let mut robot: usize = 0;
    line = "".to_string();    input.read_line(&mut line).unwrap();
    let mut t: Vec<char> = line.chars().filter(|a| *a=='*'||*a=='.'||*a=='R').collect();
    for i in t.iter().enumerate(){if *i.1=='R'{robot = i.0;}}
    unsafe{
        OI = t.iter().skip(robot).position(|c| *c=='*').unwrap_or(1000000);
        VI = t.iter().rev().skip(n-robot-1).position(|c| *c=='*').unwrap_or(1000000)
    }
    loop{
    unsafe{robot = step(n, &mut t,robot)}}
}
unsafe fn step(n: usize, t: &mut Vec<char>, r: usize) -> usize{
    t[r]='.';
    let oikea:usize = if O{1000000}else{t.iter().skip(r).position(|c| *c=='*').unwrap_or(1000000)};
    if oikea == 1000000{O=true}
    let vasen:usize = if V{1000000}else{t.iter().rev().skip(n-r-1).position(|c| *c=='*').unwrap_or(1000000)-r};
    if vasen == 1000000{V=true}
    if vasen == oikea ||( vasen>1000000 && oikea>1000000){print!("{} {}",STEPS, COINS); exit(0)}
    if vasen < oikea{ 
        t[vasen]='R';
        STEPS+=r-vasen;
        COINS +=1 ;
        vasen
    }else{
        t[r+oikea]='R';
        STEPS+=oikea;
        COINS +=1 ;
        r+oikea
    }
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
`1 R` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 2

Group: 1, 2

Verdict: RUNTIME ERROR

input
`10 ...R......` view save

correct output
`0 0` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 10 but the index is 999997', input/code.rs:34:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 3

Group: 1, 2

Verdict: RUNTIME ERROR

input
`10 .R...*` view save

correct output
`12 5` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 10 but the index is 1000009', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 4

Group: 1, 2

Verdict: RUNTIME ERROR

input
`10 *R****` view save

correct output
`0 0` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 10 but the index is 1000009', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R................................` view save

correct output
`947 9` view save

user output
`947 9` view save

Test 6

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .................................` view save

correct output
`886 9` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 1000 but the index is 1000999', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 7

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .........................` view save

correct output
`1287 400` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 1000 but the index is 1000994', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 8

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 **********.***************...` view save

correct output
`0 0` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 1000 but the index is 1000999', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 9

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 ******************************...` view save

correct output
`0 0` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 1000 but the index is 1000999', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R*****************************...` view save

correct output
`999 999` view save

user output
`999 999` view save

Test 11

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 ******************************...` view save

correct output
`999 999` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 1000 but the index is 1000999', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 12

Group: 2

Verdict: RUNTIME ERROR

input
`10000 .......*...................*...` view save

correct output
`10971 999` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 10000 but the index is 1009980', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 13

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...........................` view save

correct output
`9999 999` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 10000 but the index is 1009999', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 14

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...............*.....` view save

correct output
`18766 5000` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 10000 but the index is 1009998', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 15

Group: 2

Verdict: ACCEPTED

input
`10000 R*****************************...` view save

correct output
`9999 9999` view save

user output
`9999 9999` view save

Test 16

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ******************************...` view save

correct output
`9999 9999` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 10000 but the index is 1009999', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 17

Group: 2

Verdict: RUNTIME ERROR

input
`200000 .................................` view save

correct output
`0 0` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 200000 but the index is 900000', input/code.rs:34:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 18

Group: 2

Verdict: RUNTIME ERROR

input
`200000 .................................` view save

correct output
`299934 10000` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 200000 but the index is 1199994', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Test 19

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 ............*...*....` view save

correct output
`299998 100000` view save

user output
(empty)

Test 20

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 ******************************...` view save

correct output
`0 0` view save

user output
(empty)

Test 21

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`133765 3` view save

user output
`133765 3` view save

Test 22

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`199982 5000` view save

user output
`199982 5000` view save

Test 23

Group: 2

Verdict: ACCEPTED

input
`200000 R*****************************...` view save

correct output
`199999 199999` view save

user output
`199999 199999` view save

Test 24

Group: 2

Verdict: RUNTIME ERROR

input
`200000 ******************************...` view save

correct output
`199999 199999` view save

user output
(empty)

Error:

thread 'main' panicked at 'index out of bounds: the len is 200000 but the index is 1199999', input/code.rs:39:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Datatähti 2025 alku

Robotti

Code

Test details

Test 1

Test 2

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

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Tasks

Submissions (Ez)