CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:qhuge
Submission time:2024-10-31 19:12:09 +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
#12ACCEPTED0.00 s2details
#13ACCEPTED0.00 s2details
#14ACCEPTED0.02 s2details
#15ACCEPTED0.06 s2details
#16ACCEPTED0.04 s2details
#17ACCEPTED0.01 s2details
#18ACCEPTED0.06 s2details
#19--2details
#20ACCEPTED0.01 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.02 s2details
#23--2details
#24--2details

Compiler report

input/code.cpp: In function 'long int etsi(std::vector<long int>, int)':
input/code.cpp:15:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     } else if (robottiIndeksi == (kolikotX.size() - 1)){
      |                ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
input/code.cpp: In function 'int main()':
input/code.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for (int i = 0; i < map.size(); i++) {
      |                     ~~^~~~~~~~~~~~

Code

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

int robottiIndeksi;

long int etsi(vector<long int> kolikotX, int robottiX){

    if (kolikotX.size() <= 1){
        return 0;
    } else if (robottiIndeksi == 0){
        return kolikotX[1] - robottiX;
    } else if (robottiIndeksi == (kolikotX.size() - 1)){
        robottiIndeksi--;
        return kolikotX[kolikotX.size() - 2] - robottiX;
    }

    long int oik = abs(kolikotX[robottiIndeksi + 1] - robottiX);
    long int vas = abs(kolikotX[robottiIndeksi - 1] - robottiX);

    if (oik < vas) {
        return oik;
    } else if (vas < oik) {
        robottiIndeksi--;
        return -vas;
    } else {
        return 0;
    }
}

int main() { 
    long int n;
    cin >> n;
    string map;
    getline(cin, map);
    cin >> map;
    
    vector<long int> kolikotX;
    long int robottiX = 0;
    for (int i = 0; i < map.size(); i++) {
        if (map[i] == '*'){
            kolikotX.push_back(i);
            continue;
        } else if (map[i] == 'R'){
            robottiX = i;
            kolikotX.push_back(-1);
            robottiIndeksi = kolikotX.size() - 1;
        }
    }

    long int askelia = 0;
    long int kolikoita = 0;
    while (true){
        long int et = etsi(kolikotX, robottiX);
        if (et == 0){
            break;
        }
        askelia = askelia + abs(et);
        robottiX = robottiX + et;
        kolikoita++;
        kolikotX.erase(remove(kolikotX.begin(), kolikotX.end(), robottiX), kolikotX.end());
        if (kolikotX.size() == 0) {
            break;
        }
    }
    cout << askelia << " " << kolikoita << "\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: 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)