| Task: | Robotti | 
| Sender: | niila | 
| Submission time: | 2024-10-31 16:38:41 +0200 | 
| Language: | Java | 
| Status: | READY | 
| Result: | 100 | 
| group | verdict | score | 
|---|---|---|
| #1 | ACCEPTED | 30 | 
| #2 | ACCEPTED | 70 | 
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.13 s | 1, 2 | details | 
| #2 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #3 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #4 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #5 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #6 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #7 | ACCEPTED | 0.19 s | 1, 2 | details | 
| #8 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #9 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #10 | ACCEPTED | 0.18 s | 1, 2 | details | 
| #11 | ACCEPTED | 0.19 s | 1, 2 | details | 
| #12 | ACCEPTED | 0.20 s | 2 | details | 
| #13 | ACCEPTED | 0.20 s | 2 | details | 
| #14 | ACCEPTED | 0.20 s | 2 | details | 
| #15 | ACCEPTED | 0.20 s | 2 | details | 
| #16 | ACCEPTED | 0.20 s | 2 | details | 
| #17 | ACCEPTED | 0.30 s | 2 | details | 
| #18 | ACCEPTED | 0.31 s | 2 | details | 
| #19 | ACCEPTED | 0.32 s | 2 | details | 
| #20 | ACCEPTED | 0.29 s | 2 | details | 
| #21 | ACCEPTED | 0.30 s | 2 | details | 
| #22 | ACCEPTED | 0.30 s | 2 | details | 
| #23 | ACCEPTED | 0.30 s | 2 | details | 
| #24 | ACCEPTED | 0.31 s | 2 | details | 
Code
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        String pathStr = input.next();
        if (n == 0 || n == 1) {
            System.out.println("0 0");
            return;
        }
        char[] path = pathStr.toCharArray();
        int pathMax = path.length - 1;
        int robot = pathStr.indexOf('R');
        int l = robot, r = robot;
        int steps = 0, coins = 0;
        while (!(path[l] == '*' && path[r] == '*')) {
            if (path[l] == '*') {  // looks ugly but what can I do
                steps += robot - l;
                robot = l;
                path[l] = '.';
                coins++;
                r = robot;
            }
            if (path[r] == '*') {
                steps += r - robot;
                robot = r;
                path[r] = '.';
                coins++;
                l = robot;
            }
            // got all coins
            if (l == 0 && r == pathMax) {
                break;
            }
            // extend search
            if (l > 0) { l--; }
            if (r < pathMax) { r++; }
        }
        System.out.println(steps + " " + coins);
        // I love using two pointers <3
    }
}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: ACCEPTED
| input | 
|---|
| 200000 **.***....**..**.....***.*..*....  | 
| correct output | 
|---|
| 299998 100000 | 
| user output | 
|---|
| 299998 100000 | 
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: ACCEPTED
| input | 
|---|
| 200000 R*****************************...  | 
| correct output | 
|---|
| 199999 199999 | 
| user output | 
|---|
| 199999 199999 | 
Test 24
Group: 2
Verdict: ACCEPTED
| input | 
|---|
| 200000 ******************************...  | 
| correct output | 
|---|
| 199999 199999 | 
| user output | 
|---|
| 199999 199999 | 
