CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:aa10
Submission time:2024-11-03 19:40:12 +0200
Language:C++ (C++17)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED30
#2ACCEPTED70
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
#12ACCEPTED0.00 s2details
#13ACCEPTED0.00 s2details
#14ACCEPTED0.00 s2details
#15ACCEPTED0.01 s2details
#16ACCEPTED0.01 s2details
#17ACCEPTED0.01 s2details
#18ACCEPTED0.03 s2details
#19ACCEPTED0.18 s2details
#20ACCEPTED0.01 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.02 s2details
#23ACCEPTED0.36 s2details
#24ACCEPTED0.35 s2details

Code

#include <iostream>
#include <string>
using namespace std;

int main(){
    int pituus;
    cin >> pituus;
    string rakennus;
    cin >> rakennus;

    int steps_taken = 0;
    int coins = 0;

    bool searching = true;

    while(searching){

        int robo_index = rakennus.find("R");

        int closest_index;

        int i = 0;

        while (true){
            i++;

            if (robo_index + i <= pituus - 1 && robo_index - i >= 0){
                if (rakennus[robo_index-i] != '*' && rakennus[robo_index+i] == '*'){
                    closest_index = robo_index+i;

                    rakennus[robo_index] = '.';
                    rakennus[closest_index] = 'R';

                    coins++;
                    steps_taken+=i;
                    break;
                }

                else if (rakennus[robo_index-i] == '*' && rakennus[robo_index+i] != '*'){
                    closest_index = robo_index-i;

                    rakennus[robo_index] = '.';
                    rakennus[closest_index] = 'R';

                    coins++;
                    steps_taken+=i;
                    break;
                }

                else if (rakennus[robo_index-i] == '*' && rakennus[robo_index+i] == '*'){
                    searching = false;
                    break;
                }
            }

            else if (robo_index-i>=0 && robo_index+i>pituus-1){
                if (rakennus[robo_index-i]=='*'){
                    closest_index = robo_index-i;

                    rakennus[robo_index] = '.';
                    rakennus[closest_index] = 'R';

                    coins++;
                    steps_taken+=i;
                    break;
                }
            }

            else if (robo_index+i<=pituus-1 && robo_index-i<0){
                if (rakennus[robo_index+i]=='*'){
                    closest_index = robo_index+i;

                    rakennus[robo_index] = '.';
                    rakennus[closest_index] = 'R';

                    coins++;
                    steps_taken+=i;
                    break;
                }
            }

            else if (robo_index-i<0 && robo_index+i>pituus-1){
                searching = false;
                break;
            }
        }
    }

    cout << steps_taken << " " << coins << endl;

    return 0;
}

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