CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Collectseal120
Submission time:2024-10-28 21:00:10 +0200
Language:Java
Status:READY
Result:30
Feedback
groupverdictscore
#1ACCEPTED30
#20
Test results
testverdicttimegroup
#1ACCEPTED0.18 s1, 2details
#2ACCEPTED0.18 s1, 2details
#3ACCEPTED0.18 s1, 2details
#4ACCEPTED0.18 s1, 2details
#5ACCEPTED0.18 s1, 2details
#6ACCEPTED0.18 s1, 2details
#7ACCEPTED0.19 s1, 2details
#8ACCEPTED0.18 s1, 2details
#9ACCEPTED0.18 s1, 2details
#10ACCEPTED0.19 s1, 2details
#11ACCEPTED0.18 s1, 2details
#12ACCEPTED0.24 s2details
#13ACCEPTED0.24 s2details
#14ACCEPTED0.26 s2details
#15ACCEPTED0.27 s2details
#16ACCEPTED0.27 s2details
#17ACCEPTED0.34 s2details
#18ACCEPTED0.86 s2details
#19--2details
#20ACCEPTED0.32 s2details
#21ACCEPTED0.32 s2details
#22ACCEPTED0.59 s2details
#23--2details
#24--2details

Code

//package com.collectseal120;

import java.util.Scanner;

public class Main {
    static int moveRight(char[] charPath, int robotPosition) {
        for (int i = robotPosition + 1; i < charPath.length; i++) {
            if (charPath[i] == '*') {
                return (i - robotPosition);
            }
        }
        return Integer.MAX_VALUE;
    }
    static int moveLeft(char[] charPath, int robotPosition) {
        for (int i = robotPosition - 1; i >= 0; i--) {
            if (charPath[i] == '*') {
                return (robotPosition - i);
            }
        }
        return Integer.MAX_VALUE;
    }
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int room = input.nextInt();
        input.nextLine();
        String path = input.nextLine();
        char[] charPath = path.toCharArray();
        int robot_position = path.indexOf("R");

        int stepsTaken = 0;
        int coinsCollected = 0;
        while (true) {
            int leftDist = moveLeft(charPath, robot_position);
            int rightDist = moveRight(charPath, robot_position);

            if (leftDist == rightDist){
                break;
            }
            if(leftDist < rightDist){
                charPath[robot_position] = '.';
                robot_position -= leftDist;
                charPath[robot_position] = 'R';
                stepsTaken += leftDist;
                coinsCollected += 1;
            }
            else if(rightDist < leftDist){
                charPath[robot_position] = '.';
                robot_position += rightDist;
                charPath[robot_position] = 'R';
                stepsTaken += rightDist;
                coinsCollected += 1;
            }
        }
        System.out.println(stepsTaken+" "+coinsCollected);

    }
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
1
R

correct output
0 0

user output
0 0

Test 2

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 3

Group: 1, 2

Verdict: ACCEPTED

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

correct output
12 5

user output
12 5

Test 4

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict: ACCEPTED

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

correct output
947 9

user output
947 9

Test 6

Group: 1, 2

Verdict: ACCEPTED

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

correct output
886 9

user output
886 9

Test 7

Group: 1, 2

Verdict: ACCEPTED

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

correct output
1287 400

user output
1287 400

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: ACCEPTED

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

correct output
999 999

user output
999 999

Test 11

Group: 1, 2

Verdict: ACCEPTED

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

correct output
999 999

user output
999 999

Test 12

Group: 2

Verdict: ACCEPTED

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

correct output
10971 999

user output
10971 999

Test 13

Group: 2

Verdict: ACCEPTED

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

correct output
9999 999

user output
9999 999

Test 14

Group: 2

Verdict: ACCEPTED

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

correct output
18766 5000

user output
18766 5000

Test 15

Group: 2

Verdict: ACCEPTED

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

correct output
9999 9999

user output
9999 9999

Test 16

Group: 2

Verdict: ACCEPTED

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

correct output
9999 9999

user output
9999 9999

Test 17

Group: 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 18

Group: 2

Verdict: ACCEPTED

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

correct output
299934 10000

user output
299934 10000

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: ACCEPTED

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

correct output
133765 3

user output
133765 3

Test 22

Group: 2

Verdict: ACCEPTED

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

correct output
199982 5000

user output
199982 5000

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)