Robotti

input/code.cpp: In function 'int main()':
input/code.cpp:16:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for (int i = 0; i < input.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~
input/code.cpp:14:9: warning: variable 'robotClosest' set but not used [-Wunused-but-set-variable]
   14 |     int robotClosest;
      |         ^~~~~~~~~~~~
input/code.cpp:46:37: warning: 'robotPlace' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |             moved += abs(robotPlace - *rooms.begin());
      |                          ~~~~~~~~~~~^~~~~~~~~~~~~~~~

#include <bits/stdc++.h>

int main()
{
    uint64_t moved = 0, coins = 0;
    int a = 0;
    std::string input = "";// = "***.R*.....********";
    //                   012345678901234
    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";
    std::cout << (rooms.lower_bound(robotPlace) == rooms.end()) << "\n";
    std::cout << *(rooms.lower_bound(robotPlace));*/
    if (rooms.size() == 0) {
        std::cout << "0 0";
        return 0;
    }
    while (true) {
        auto nextRoom = rooms.lower_bound(robotPlace);

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

        else if (nextRoom == rooms.end()) {
            nextRoom--;

            moved += abs(robotPlace - *nextRoom);
            robotPlace = *nextRoom;
            rooms.erase(nextRoom);
            coins += 1;
        }
        else if (nextRoom == rooms.begin()) {
            moved += abs(robotPlace - *nextRoom);
            robotPlace = *nextRoom;
            rooms.erase(nextRoom);
            coins += 1;
        }
        else {
            int d1 = abs(robotPlace - *nextRoom);
            nextRoom--;
            int d2 = abs(robotPlace - *nextRoom);
            nextRoom++;
            if (d1 == d2) {
                break;
            }
            else if (d1 < d2) {
                moved += d1;
                coins++;
                robotPlace = *nextRoom;
                rooms.erase(nextRoom);
            }
            else {
                nextRoom--;

                moved += d2;
                coins++;
                robotPlace = *nextRoom;
                rooms.erase(nextRoom);
            }
        }
    }

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

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 1, 2

Verdict: ACCEPTED

Test 7

Group: 1, 2

Verdict: ACCEPTED

Test 8

Group: 1, 2

Verdict: ACCEPTED

Test 9

Group: 1, 2

Verdict: ACCEPTED

Test 10

Group: 1, 2

Verdict: ACCEPTED

Test 11

Group: 1, 2

Verdict: ACCEPTED

Test 12

Group: 2

Verdict: ACCEPTED

Test 13

Group: 2

Verdict: ACCEPTED

Test 14

Group: 2

Verdict: ACCEPTED

Test 15

Group: 2

Verdict: ACCEPTED

Test 16

Group: 2

Verdict: ACCEPTED

Test 17

Group: 2

Verdict: ACCEPTED

Test 18

Group: 2

Verdict: ACCEPTED

Test 19

Group: 2

Verdict: ACCEPTED

Test 20

Group: 2

Verdict: ACCEPTED

Test 21

Group: 2

Verdict: ACCEPTED

Test 22

Group: 2

Verdict: ACCEPTED

Test 23

Group: 2

Verdict: ACCEPTED

Test 24

Group: 2

Verdict: ACCEPTED