CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Camo
Submission time:2024-10-29 22:34:20 +0200
Language:C++ (C++20)
Status:READY
Result:30
Feedback
groupverdictscore
#1ACCEPTED30
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10ACCEPTED0.00 s1, 2details
#11ACCEPTED0.00 s1, 2details
#12ACCEPTED0.01 s2details
#13ACCEPTED0.01 s2details
#14ACCEPTED0.03 s2details
#15ACCEPTED0.05 s2details
#16ACCEPTED0.05 s2details
#17ACCEPTED0.01 s2details
#18ACCEPTED0.85 s2details
#19--2details
#20ACCEPTED0.01 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.43 s2details
#23--2details
#24--2details

Code

#include <iomanip>
#include <iostream>
#include <string.h>
#include <valarray>
using namespace std;


int main() {
    int l;
    cin >> l;

    string str;
    cin >> str;

    long long len = str.length();

    char rooms[len];
    strcpy(rooms, str.c_str());

    long long startIndex = 0;

    for (long long i = 0; i < len; i++) {
        if (rooms[i] == 'R') {
            startIndex = i;
        }
    }

    long long position = startIndex;

    long long steps = 0;
    long long coins = 0;

    long long starToRightDist = 0;
    long long  starToLeftDist = 0;
    while (true) {
        for (long long i = position - 1; i < len; i++) {
            if (rooms[i + 1] == '*') {
                starToRightDist = i - position;
                break;
            }
            else if (i == len - 1) {
                starToRightDist = 99999999999;
            }
        }
        for (long long i = position + 1; i > 0; i--) {
            if (rooms[i - 1] == '*') {
                starToLeftDist = position - i;
                break;
            }
            else if (i == 1) {
                starToLeftDist = 99999999999;
            }
        }

        if (starToRightDist < starToLeftDist) {
            rooms[position + starToRightDist+ 1] = '.';
            position += starToRightDist + 1;
            steps += starToRightDist + 1;
            coins += 1;
        }
        if (starToRightDist > starToLeftDist) {
            rooms[position - (starToLeftDist+ 1)] = '.';
            position -= starToLeftDist + 1;
            steps += starToLeftDist + 1;
            coins += 1;
        }

        if (starToRightDist == starToLeftDist) {
            cout << steps << " " << coins << endl;
            break;
        }
    }
}

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)