| Task: | Robotti | 
| Sender: | Collectseal120 | 
| Submission time: | 2024-10-28 16:29:18 +0200 | 
| Language: | Java | 
| Status: | READY | 
| Result: | 0 | 
| group | verdict | score | 
|---|---|---|
| #1 | RUNTIME ERROR | 0 | 
| #2 | RUNTIME ERROR | 0 | 
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #2 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #3 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #4 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #5 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #6 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #7 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #8 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #9 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #10 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #11 | RUNTIME ERROR | 0.10 s | 1, 2 | details | 
| #12 | RUNTIME ERROR | 0.11 s | 2 | details | 
| #13 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #14 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #15 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #16 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #17 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #18 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #19 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #20 | RUNTIME ERROR | 0.11 s | 2 | details | 
| #21 | RUNTIME ERROR | 0.11 s | 2 | details | 
| #22 | RUNTIME ERROR | 0.11 s | 2 | details | 
| #23 | RUNTIME ERROR | 0.10 s | 2 | details | 
| #24 | RUNTIME ERROR | 0.10 s | 2 | details | 
Code
package com.collectseal120;
import java.util.Scanner;
public class Main {
    static String reverseString(String str){
        // solution from https://www.geeksforgeeks.org/reverse-a-string-in-java/
        String nstr="";
        char ch;
        for (int i=0; i<str.length(); i++)
        {
            ch= str.charAt(i); //extracts each character
            nstr= ch+nstr; //adds each character in front of the existing string
        }
        return nstr;
    }
    static Double moveRight(String path, int robot_position){
        String subPath = path.substring(robot_position+1);
        if(subPath.indexOf("*") == -1){
            return Double.POSITIVE_INFINITY;
        }
        for(int i = 0; i < subPath.length(); i++){
            if(subPath.charAt(i) == '*'){
                return (double) i + 1;
            }
        }
        return Double.POSITIVE_INFINITY;
    }
    static Double moveLeft(String path, int robot_position){
        String subPath = reverseString(path.substring(0,robot_position));
        if(subPath.indexOf("*") == -1){
            return Double.POSITIVE_INFINITY;
        }
        for(int i = 0; i < subPath.length(); i++){
            if(subPath.charAt(i) == '*'){
                return (double) i + 1;
            }
        }
        return Double.POSITIVE_INFINITY;
    }
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int room = input.nextInt();
        String path = input.nextLine();
        char[] charPath = path.toCharArray();
        int robot_position = path.indexOf("R");
        Double epsilon = 0.0001;
        
        int stepsTaken = 0;
        int coinsCollected = 0;
        while (true) {
            Double leftDist = moveLeft(String.valueOf(charPath), robot_position);
            Double rightDist = moveRight(String.valueOf(charPath), robot_position);
            if (Math.abs(leftDist - rightDist) < epsilon){
                break;
            }
            else if (String.valueOf(charPath).indexOf("*") == -1){
                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: RUNTIME ERROR
| input | 
|---|
| 1 R  | 
| correct output | 
|---|
| 0 0 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 2
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10 ...R......  | 
| correct output | 
|---|
| 0 0 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 3
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10 **.R...***  | 
| correct output | 
|---|
| 12 5 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 4
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10 ***R******  | 
| correct output | 
|---|
| 0 0 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 5
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 1000 R................................  | 
| correct output | 
|---|
| 947 9 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 6
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 1000 .................................  | 
| correct output | 
|---|
| 886 9 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 7
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 1000 .....*..*....**..**..*......*....  | 
| correct output | 
|---|
| 1287 400 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 8
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 1000 ************.*****************...  | 
| correct output | 
|---|
| 0 0 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 9
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 1000 ******************************...  | 
| correct output | 
|---|
| 0 0 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 10
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 1000 R*****************************...  | 
| correct output | 
|---|
| 999 999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 11
Group: 1, 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 1000 ******************************...  | 
| correct output | 
|---|
| 999 999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 12
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10000 .......**........*...........*...  | 
| correct output | 
|---|
| 10971 999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 13
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10000 *..*....*......*.....*..*........  | 
| correct output | 
|---|
| 9999 999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 14
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10000 *.*.*...**.*...*....**.**.**.....  | 
| correct output | 
|---|
| 18766 5000 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 15
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10000 R*****************************...  | 
| correct output | 
|---|
| 9999 9999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 16
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 10000 ******************************...  | 
| correct output | 
|---|
| 9999 9999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 17
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 .................................  | 
| correct output | 
|---|
| 0 0 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 18
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 .................................  | 
| correct output | 
|---|
| 299934 10000 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 19
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 **.***....**..**.....***.*..*....  | 
| correct output | 
|---|
| 299998 100000 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 20
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 ******************************...  | 
| correct output | 
|---|
| 0 0 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 21
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 R................................  | 
| correct output | 
|---|
| 133765 3 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 22
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 R................................  | 
| correct output | 
|---|
| 199982 5000 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 23
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 R*****************************...  | 
| correct output | 
|---|
| 199999 199999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
Test 24
Group: 2
Verdict: RUNTIME ERROR
| input | 
|---|
| 200000 ******************************...  | 
| correct output | 
|---|
| 199999 199999 | 
| user output | 
|---|
| (empty) | 
Error:
Error: Could not find or load main class Main Caused by: java.lang.ClassNotFoundException: Main
