CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Username*
Submission time:2024-10-28 13:52:56 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#40.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#80.00 s1, 2details
#90.00 s1, 2details
#10ACCEPTED0.00 s1, 2details
#11ACCEPTED0.00 s1, 2details
#12ACCEPTED0.00 s2details
#13ACCEPTED0.00 s2details
#14ACCEPTED0.01 s2details
#15ACCEPTED0.01 s2details
#16ACCEPTED0.01 s2details
#17ACCEPTED0.01 s2details
#18ACCEPTED0.01 s2details
#19ACCEPTED0.04 s2details
#200.07 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.01 s2details
#23ACCEPTED0.08 s2details
#24ACCEPTED0.08 s2details

Code

#include <vector>
#include <algorithm>
#include <iostream>
#include <cmath>
#include <string>
#include <limits>
#include <climits>
#include <set>

using namespace std;

int main() {
    int n;
    cin >> n;
    string line;
    cin >> line;

    int robot = line.find('R');
    set<int> v;

    for (int i = 0; i < n; ++i) {
        if (line[i] == '*') {
            v.insert(i);
        }
    }

    int steps = 0;
    int score = 0;

    /*for (int i : v) {
        cout << " " << i;
    }

    cout << "\n";*/

    while (!v.empty()) {
        //cout << "\n start " << robot << " \n";
        auto right = v.lower_bound(robot);
        auto left = (right == v.begin()) ? v.end() : prev(right);

        int leftd = (left != v.end()) ? abs(*left - robot) : INT_MAX;
        int rightd = (right != v.end()) ? abs(*right - robot) : INT_MAX;

        if (robot == 0) {
            leftd = INT_MAX;
        }
        if (robot == n - 1) {
            rightd = INT_MAX;
        }

        if (leftd < rightd) {
            steps += leftd;
            robot = *left; 
            score++;
            v.erase(left);
        }
        else if (rightd < leftd) {
            steps += rightd;
            robot = *right; 
            score++;
            v.erase(right); 
        }
        else {
            cout << endl << leftd << " " << rightd << endl;
            //cout << "\nexit\n";
            break;
        }
        /*for (int i : v) {
            cout << " " << i;
        }

        cout << "\n";*/
    }


    cout << steps << " " << score << 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:

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

correct output
0 0

user output

1 1
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:

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

correct output
0 0

user output

1 1
0 0

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output

1 1
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:

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

correct output
0 0

user output

1 1
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