CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Username*
Submission time:2024-10-28 12:26:54 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#30.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#50.00 s1, 2details
#60.00 s1, 2details
#70.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#100.00 s1, 2details
#110.00 s1, 2details
#120.00 s2details
#130.00 s2details
#140.01 s2details
#150.01 s2details
#160.00 s2details
#17ACCEPTED0.01 s2details
#180.01 s2details
#190.14 s2details
#20ACCEPTED0.01 s2details
#210.01 s2details
#220.01 s2details
#23--2details
#240.01 s2details

Code

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

using namespace std;

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

    cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');

    string line;
    getline(cin, line);
    size_t robot = line.find('R');

    //cout << line << "\n";
    //cout << robot << "\n";

    vector<int> offsets;

    int pos = 0;
    int robpos = 0;

    for (char room : line) {
        if (room == '*') {
            offsets.push_back(pos - robot);
        }
        else if (room == 'R') {
            //offsets.push_back(0);
            robpos = offsets.size()-1;
        }
        pos++;
    }
    /*cout << 1 << 2 << "\n";

    return 0;*/

    int totalscore = 0;
    int steps = 0;
    int roboff = 0;

    while (offsets.size() > 0) {
        /*cout << "\n";
        for (int off : offsets) {
            cout << off << " ";
        }
        cout << "\nstep:";*/
        int left = offsets[robpos] - roboff;
        int right = offsets[robpos+1] - roboff;
        if (abs(left) > abs(right)) {
            //cout << " right " << left << " " << right;
            offsets.erase(offsets.begin()+robpos+1);
            roboff += right;
            steps += abs(right);
            totalscore++;
        }
        else if (abs(right) > abs(left)){
            //cout << " left " << left << " " << right;
            offsets.erase(offsets.begin()+robpos);
            robpos -= 1;
            roboff += left;
            steps += abs(left);
            totalscore++;
        }
        else {
            //cout << "same" << "\n";
            break;
        }
    }
    
    cout << steps << " " << totalscore << "\n";
    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:

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

correct output
12 5

user output
(empty)

Error:
double free or corruption (out)

Test 4

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict:

input
1000
R................................

correct output
947 9

user output
(empty)

Test 6

Group: 1, 2

Verdict:

input
1000
.................................

correct output
886 9

user output
(empty)

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
(empty)

Error:
munmap_chunk(): invalid pointer

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:

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

correct output
999 999

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

Test 12

Group: 2

Verdict:

input
10000
.......**........*...........*...

correct output
10971 999

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

Test 13

Group: 2

Verdict:

input
10000
*..*....*......*.....*..*........

correct output
9999 999

user output
(empty)

Error:
malloc(): invalid size (unsorted)

Test 14

Group: 2

Verdict:

input
10000
*.*.*...**.*...*....**.**.**.....

correct output
18766 5000

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

Test 15

Group: 2

Verdict:

input
10000
R*****************************...

correct output
9999 9999

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

Test 16

Group: 2

Verdict:

input
10000
******************************...

correct output
9999 9999

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

Test 17

Group: 2

Verdict: ACCEPTED

input
200000
.................................

correct output
0 0

user output
0 0

Test 18

Group: 2

Verdict:

input
200000
.................................

correct output
299934 10000

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

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:

input
200000
R................................

correct output
133765 3

user output
(empty)

Test 22

Group: 2

Verdict:

input
200000
R................................

correct output
199982 5000

user output
(empty)

Error:
malloc(): invalid next size (unsorted)

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)