Arpakuutiot

input/code.cpp: In function 'int main()':
input/code.cpp:40:17: warning: unused variable 'rotations' [-Wunused-variable]
             int rotations = 0;
                 ^~~~~~~~~

#include <bits/stdc++.h>
using namespace std;

const int mx = 21;
vector<int> matching[mx];
int n, cube_count = 0;

int main() {
    cin >> n;
    vector<string> cubes;

    string r1, r2, r3, r4, r5;
    for (int i = 0; i < n; ++i) {
        cin >> r1 >> r2 >> r3 >> r4 >> r5;
        string cube;
        cube += r1[1];
        cube += r2[1];
        cube += r3[1];
        cube += r4[1];
        cube += r1[0];
        cube += r1[2];

        cubes.push_back(cube);
    }

    for (int i = 0; i < n; ++i) {
        for (int j = i + 1; j < n; ++j) {
            string c1 = cubes[i];
            string c2 = cubes[j];

            // check if the cubes are the same
            if (c1 == c2) {
                cube_count++;
                matching[i + 1].push_back(j + 1);
                continue;
            }

            // go through all the rotations 6*4=24 rotations to be exact
            bool valid = false;
            int rotations = 0;
            for (int k = 0; k <= 6; ++k) {
                if (valid)
                    break;

                // go through all the rotations of the main axis
                for (int z = 0; z < 4; ++z) {
                    char temp1 = c2[0];
                    char temp2 = c2[1];
                    char temp3 = c2[2];
                    char temp4 = c2[3];

                    c2[0] = temp4;
                    c2[1] = temp1;
                    c2[2] = temp2;
                    c2[3] = temp3;

                    if (c1 == c2) {
                        valid = true;
                        break;
                    }
                }

                // change up the other axis
                char temp1 = c2[4];
                char temp2 = c2[5];
                char temp3 = c2[0];
                char temp4 = c2[2];
                c2[4] = temp4;
                c2[5] = temp3;
                c2[0] = temp1;
                c2[2] = temp2;

                if (c1 == c2) {
                    valid = true;
                    break;
                }
            }

            if (c1 == c2)
                valid = true;

            if (valid) {
                matching[i + 1].push_back(j + 1), cube_count++;
                continue;
            }
        }
    }

    for (int i = 1; i <= n; ++i) {
        vector<int> a = matching[i];
        if (a.size() > 1) {
            for (int j = 0; j < (int)a.size(); ++j) {
                for (int k = j + 1; k < (int)a.size(); ++k) {
                    if (std::find(matching[a[j]].begin(), matching[a[j]].end(),
                                  a[k]) == matching[a[j]].end()) {
                        matching[a[j]].push_back(a[k]);
                    }
                }
            }
        }
    }

    if (cube_count == 0)
        cout << "-"
             << "\n";
    else {
        for (int i = n - 1; i > 0; --i) {
            if (matching[i].empty())
                cout << "-"
                     << "\n";
            else {
                sort(matching[i].begin(), matching[i].end());
                for (int j = matching[i].size() - 1; j >= 0; --j)
                    cout << i << " " << matching[i][j] << "\n";
            }
        }
    }
}

Test 1

Group: 1, 2

Verdict: WRONG ANSWER

Test 2

Group: 1, 2

Verdict: WRONG ANSWER

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

Test 4

Group: 1, 2

Verdict: WRONG ANSWER

Test 5

Group: 1, 2

Verdict: WRONG ANSWER

Test 6

Group: 1, 2

Verdict: WRONG ANSWER

Test 7

Group: 1, 2

Verdict: WRONG ANSWER

Test 8

Group: 1, 2

Verdict: WRONG ANSWER

Test 9

Group: 1, 2

Verdict: WRONG ANSWER

Test 10

Group: 1, 2

Verdict: WRONG ANSWER

Test 11

Group: 2

Verdict: WRONG ANSWER

Test 12

Group: 2

Verdict: WRONG ANSWER

Test 13

Group: 2

Verdict: WRONG ANSWER

Test 14

Group: 2

Verdict: WRONG ANSWER

Test 15

Group: 2

Verdict: WRONG ANSWER

Test 16

Group: 2

Verdict: WRONG ANSWER

Test 17

Group: 2

Verdict: WRONG ANSWER

Test 18

Group: 2

Verdict: WRONG ANSWER

Test 19

Group: 2

Verdict: WRONG ANSWER

Test 20

Group: 2

Verdict: WRONG ANSWER

Test 21

Group: 2

Verdict: WRONG ANSWER

Test 22

Group: 2

Verdict: WRONG ANSWER

Test 23

Group: 2

Verdict: WRONG ANSWER

Test 24

Group: 2

Verdict: WRONG ANSWER

Test 25

Group: 2

Verdict: WRONG ANSWER

Test 26

Group: 2

Verdict: WRONG ANSWER

Test 27

Group: 2

Verdict: WRONG ANSWER

Test 28

Group: 2

Verdict: WRONG ANSWER

Test 29

Group: 2

Verdict: WRONG ANSWER

Test 30

Group: 2

Verdict: WRONG ANSWER

Test 31

Group: 1, 2

Verdict: WRONG ANSWER