Eroare de compilare: main.cpp: In function 'int32_t main()': main.cpp:44:32: error: 'class std::vector<long long int>' has no member named 'second' 44 | for (int j = 0; j < (int)i.second.size(); ++j) | ^~~~~~ main.cpp:46:22: error: 'class std::vector<long long int>' has no member named 'second' 46 | ans += power[i.second[j]] * sum % mod; | ^~~~~~ main.cpp:51:20: error: 'class std::vector<long long int>' has no member named 'second' 51 | sum += inv[i.second[j] + 1]; | ^~~~~~ main.cpp:57:11: error: 'class std::vector<long long int>' has no member named 'first' 57 | if (i.first == 0) | ^~~~~ main.cpp:59:23: error: 'class std::vector<long long int>' has no member named 'second' 59 | for (auto j : i.second) | ^~~~~~ Non zero exit status: 1