CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:_maoe
Submission time:2024-10-30 22:23:03 +0200
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.14 s1, 2details
#20.18 s1, 2details
#30.22 s1, 2details
#4ACCEPTED0.18 s1, 2details
#50.23 s1, 2details
#60.24 s1, 2details
#70.23 s1, 2details
#8ACCEPTED0.18 s1, 2details
#9ACCEPTED0.18 s1, 2details
#100.18 s1, 2details
#110.24 s1, 2details
#120.37 s2details
#130.54 s2details
#140.62 s2details
#150.22 s2details
#160.56 s2details
#17--2details
#18--2details
#19--2details
#20ACCEPTED0.30 s2details
#21--2details
#220.44 s2details
#230.31 s2details
#24--2details

Code

import java.util.Scanner;

public class Robotti {
    public static void main(String[] args) {
        int huoneidenMaara;
        String rakennus;

        try (Scanner in = new Scanner(System.in)) {
            huoneidenMaara = in.nextInt();
            in.nextLine();
            rakennus = in.nextLine();
        }

        int askeleet = 0;
        int kolikot = -1;
        int robotti = rakennus.indexOf('R');
        int lahinPlus;
        int lahinMiinus;
        int lahinMiinusAbs;

        int lahin;

        while (true) { 
            kolikot += 1;

            lahinPlus = rakennus.substring(robotti).indexOf('*');
            // tekee uuden stringbuilderin, jotta se voi kääntää rakennuksen väärinpäin, muuttaa sen takaisin stringiksi, jolle tehdään sama asia kuin äskeisessä
            lahinMiinus = -(new StringBuilder(rakennus).reverse().toString().substring(huoneidenMaara - robotti - 1).indexOf('*'));

            lahinMiinusAbs = Math.abs(lahinMiinus);
            if (lahinPlus < lahinMiinusAbs) {
                lahin = lahinPlus;
                askeleet += lahinPlus;
            } else if (lahinPlus > lahinMiinusAbs) {
                lahin = lahinMiinus;
                askeleet += lahinMiinusAbs;
            } else {
                break;
            }

            robotti += lahin;
            rakennus = rakennus.substring(0, robotti) + "." + rakennus.substring(robotti + 1);
        }
        System.out.println(askeleet + " " + kolikot);
    }
}

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 1
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 2

Group: 1, 2

Verdict:

input
10
...R......

correct output
0 0

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 10
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 3

Group: 1, 2

Verdict:

input
10
**.R...***

correct output
12 5

user output
9 8

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
10
***R******

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict:

input
1000
R................................

correct output
947 9

user output
147 147

Test 6

Group: 1, 2

Verdict:

input
1000
.................................

correct output
886 9

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 1000
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 7

Group: 1, 2

Verdict:

input
1000
.....*..*....**..**..*......*....

correct output
1287 400

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 1000
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
1000
************.*****************...

correct output
0 0

user output
0 0

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
1000
******************************...

correct output
0 0

user output
0 0

Test 10

Group: 1, 2

Verdict:

input
1000
R*****************************...

correct output
999 999

user output
0 0

Test 11

Group: 1, 2

Verdict:

input
1000
******************************...

correct output
999 999

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 1000
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 12

Group: 2

Verdict:

input
10000
.......**........*...........*...

correct output
10971 999

user output
2016 1117

Test 13

Group: 2

Verdict:

input
10000
*..*....*......*.....*..*........

correct output
9999 999

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 10000
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 14

Group: 2

Verdict:

input
10000
*.*.*...**.*...*....**.**.**.....

correct output
18766 5000

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 10000
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 15

Group: 2

Verdict:

input
10000
R*****************************...

correct output
9999 9999

user output
0 0

Test 16

Group: 2

Verdict:

input
10000
******************************...

correct output
9999 9999

user output
(empty)

Error:
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 10000
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3319)
	at java.base/java.lang.String.substring(String.java:1874)
	at Robotti.main(Robotti.java:42)

Test 17

Group: 2

Verdict:

input
200000
.................................

correct output
0 0

user output
(empty)

Test 18

Group: 2

Verdict:

input
200000
.................................

correct output
299934 10000

user output
(empty)

Test 19

Group: 2

Verdict:

input
200000
**.***....**..**.....***.*..*....

correct output
299998 100000

user output
(empty)

Test 20

Group: 2

Verdict: ACCEPTED

input
200000
******************************...

correct output
0 0

user output
0 0

Test 21

Group: 2

Verdict:

input
200000
R................................

correct output
133765 3

user output
(empty)

Test 22

Group: 2

Verdict:

input
200000
R................................

correct output
199982 5000

user output
65 65

Test 23

Group: 2

Verdict:

input
200000
R*****************************...

correct output
199999 199999

user output
0 0

Test 24

Group: 2

Verdict:

input
200000
******************************...

correct output
199999 199999

user output
(empty)