CSES - Datatähti 2025 alku

Submission details
Task:	Robotti
Sender:	Pikaksi
Submission time:	2024-10-28 21:02:17 +0200
Language:	C++ (C++20)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	TIME LIMIT EXCEEDED	0
#2	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	TIME LIMIT EXCEEDED	--	1, 2	details
#2	RUNTIME ERROR	0.00 s	1, 2	details
#3	WRONG ANSWER	0.00 s	1, 2	details
#4	ACCEPTED	0.00 s	1, 2	details
#5	ACCEPTED	0.00 s	1, 2	details
#6	RUNTIME ERROR	0.00 s	1, 2	details
#7	WRONG ANSWER	0.00 s	1, 2	details
#8	ACCEPTED	0.00 s	1, 2	details
#9	ACCEPTED	0.00 s	1, 2	details
#10	ACCEPTED	0.00 s	1, 2	details
#11	RUNTIME ERROR	0.00 s	1, 2	details
#12	RUNTIME ERROR	0.00 s	2	details
#13	RUNTIME ERROR	0.00 s	2	details
#14	RUNTIME ERROR	0.01 s	2	details
#15	ACCEPTED	0.01 s	2	details
#16	RUNTIME ERROR	0.01 s	2	details
#17	RUNTIME ERROR	0.01 s	2	details
#18	RUNTIME ERROR	0.01 s	2	details
#19	RUNTIME ERROR	0.03 s	2	details
#20	ACCEPTED	0.07 s	2	details
#21	ACCEPTED	0.01 s	2	details
#22	ACCEPTED	0.01 s	2	details
#23	ACCEPTED	0.07 s	2	details
#24	RUNTIME ERROR	0.07 s	2	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for (int i = 0; i < input.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~
input/code.cpp:26:38: warning: 'robotClosest' may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |     for (int i = 0; i < robotClosest - 1; i++) {
      |                         ~~~~~~~~~~~~~^~~
input/code.cpp:42:37: warning: 'robotPlace' may be used uninitialized in this function [-Wmaybe-uninitialized]
   42 |             moved += abs(robotPlace - *rooms.begin());
      |                          ~~~~~~~~~~~^~~~~~~~~~~~~~~~

Code

#include <bits/stdc++.h>

int main()
{
    uint64_t moved = 0, coins = 0;
    int a;
    std::string input;// = "*.*.R*.*";
    std::cin >> a;
    std::cin >> input;

    std::set<int> rooms;
    int robotPlace;
    int robotClosest;
    
    for (int i = 0; i < input.size(); i++) {
        if (input[i] == '*') {
            rooms.insert(i);
        }
        else if (input[i] == 'R') {
            robotPlace = i;
            robotClosest = rooms.size();
        }
    }

    std::set<int>::iterator close = rooms.begin();
    for (int i = 0; i < robotClosest - 1; i++) {
        close++;
    }

    /*for (int number : rooms) {
        std::cout << "number = " << number << "\n";
    }
    std::cout << robotPlace << "\n";
    std::cout << robotClosest << "\n";*/



    while (true) {
        //std::cout << "loop\n";

        if (rooms.size() == 1) {
            moved += abs(robotPlace - *rooms.begin());
            coins += 1;
            break;
        }

        if (*close < robotPlace) {
            if (close != --rooms.end()) {
                //std::cout << robotPlace << " " << *close << "\n";
                int d1 = abs(robotPlace - *close);
                close++;
                int d2 = abs(robotPlace - *close);
                close--;
                //std::cout << d1 << " " << d2 << "\n";

                if (d2 == d1) {
                    break;
                }
                else if (d1 < d2) {
                    moved += d1;
                    coins += 1;

                    robotPlace = *close;
                    rooms.erase(close);
                    close++;
                }
                else {
                    moved += d2;
                    coins++;

                    close++;
                    robotPlace = *close;
                    rooms.erase(close);
                    close--;
                }
            }
            else {
                moved += abs(robotPlace - *close);
                coins++;
                rooms.erase(close);
                robotPlace = *close;
            }
        }
        else {
            if (close != rooms.begin()) {
                //std::cout << robotPlace << " " << *close << "\n";
                int d1 = abs(robotPlace - *close);
                close--;
                int d2 = abs(robotPlace - *close);
                close++;
                //std::cout << d1 << " " << d2 << "\n";

                if (d2 == d1) {
                    break;
                }
                else if (d1 < d2) {
                    moved += d1;
                    coins += 1;

                    robotPlace = *close;
                    rooms.erase(close);
                    close--;
                }
                else {
                    moved += d2;
                    coins++;

                    close--;
                    robotPlace = *close;
                    rooms.erase(close);
                    close++;
                }
            }
            else {
                moved += abs(robotPlace - *close);
                coins++;
                robotPlace = *close;
                rooms.erase(close++);
            }
        }

    }

    std::cout << moved << " " << coins;
}

Test details

Test 1

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1 R` view save

correct output
`0 0` view save

user output
(empty)

Test 2

Group: 1, 2

Verdict: RUNTIME ERROR

input
`10 ...R......` view save

correct output
`0 0` view save

user output
(empty)

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

input
`10 .R...*` view save

correct output
`12 5` view save

user output
`19 5` view save

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
`10 *R****` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R................................` view save

correct output
`947 9` view save

user output
`947 9` view save

Test 6

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .................................` view save

correct output
`886 9` view save

user output
(empty)

Test 7

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 .........................` view save

correct output
`1287 400` view save

user output
`42 7` view save

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
`1000 **********.***************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
`1000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R*****************************...` view save

correct output
`999 999` view save

user output
`999 999` view save

Test 11

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 ******************************...` view save

correct output
`999 999` view save

user output
(empty)

Test 12

Group: 2

Verdict: RUNTIME ERROR

input
`10000 .......*...................*...` view save

correct output
`10971 999` view save

user output
(empty)

Test 13

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...........................` view save

correct output
`9999 999` view save

user output
(empty)

Test 14

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...............*.....` view save

correct output
`18766 5000` view save

user output
(empty)

Test 15

Group: 2

Verdict: ACCEPTED

input
`10000 R*****************************...` view save

correct output
`9999 9999` view save

user output
`9999 9999` view save

Test 16

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ******************************...` view save

correct output
`9999 9999` view save

user output
(empty)

Test 17

Group: 2

Verdict: RUNTIME ERROR

input
`200000 .................................` view save

correct output
`0 0` view save

user output
(empty)

Test 18

Group: 2

Verdict: RUNTIME ERROR

input
`200000 .................................` view save

correct output
`299934 10000` view save

user output
(empty)

Test 19

Group: 2

Verdict: RUNTIME ERROR

input
`200000 ............*...*....` view save

correct output
`299998 100000` view save

user output
(empty)

Test 20

Group: 2

Verdict: ACCEPTED

input
`200000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 21

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`133765 3` view save

user output
`133765 3` view save

Test 22

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`199982 5000` view save

user output
`199982 5000` view save

Test 23

Group: 2

Verdict: ACCEPTED

input
`200000 R*****************************...` view save

correct output
`199999 199999` view save

user output
`199999 199999` view save

Test 24

Group: 2

Verdict: RUNTIME ERROR

input
`200000 ******************************...` view save

correct output
`199999 199999` view save

user output
(empty)

Datatähti 2025 alku

Robotti

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Tasks

Submissions (Pikaksi)