Eroare de compilare: main.cpp:13:12: error: 'ifstream' was not declared in this scope; did you mean 'std::ifstream'? 13 | int citire(ifstream& fisier,std::vector<std::vector<int>>& vectorul){ | ^~~~~~~~ | std::ifstream In file included from /usr/include/c++/12.2.1/ios:38, from /usr/include/c++/12.2.1/ostream:38, from /usr/include/c++/12.2.1/iostream:39, from main.cpp:1: /usr/include/c++/12.2.1/iosfwd:162:41: note: 'std::ifstream' declared here 162 | typedef basic_ifstream<char> ifstream; | ^~~~~~~~ main.cpp:13:22: error: 'fisier' was not declared in this scope 13 | int citire(ifstream& fisier,std::vector<std::vector<int>>& vectorul){ | ^~~~~~ main.cpp:13:58: error: expected primary-expression before '&' token 13 | int citire(ifstream& fisier,std::vector<std::vector<int>>& vectorul){ | ^ main.cpp:13:60: error: 'vectorul' was not declared in this scope 13 | int citire(ifstream& fisier,std::vector<std::vector<int>>& vectorul){ | ^~~~~~~~ main.cpp:13:68: error: expression list treated as compound expression in initializer [-fpermissive] 13 | int citire(ifstream& fisier,std::vector<std::vector<int>>& vectorul){ | ^ main.cpp:29:62: error: template placeholder type 'bitset<...auto...>' must be followed by a simple declarator-id 29 | void dfs(int numar, std::vector<std::vector<int>>& vectorul, std::bitset& bitsetul){ | ^~~ In file included from main.cpp:4: /usr/include/c++/12.2.1/bitset:751:11: note: 'template<long unsigned int _Nb> class std::bitset' declared here 751 | class bitset | ^~~~~~ main.cpp: In function 'void dfs(...)': main.cpp:30:9: error: 'bitsetul' was not declared in this scope 30 | bitsetul.set(numar); | ^~~~~~~~ main.cpp:30:22: error: 'numar' was not declared in this scope 30 | bitsetul.set(numar); | ^~~~~ main.cpp:31:21: error: 'vectorul' was not declared in this scope 31 | for (auto x:vectorul[numar]) | ^~~~~~~~ main.cpp: At global scope: main.cpp:38:6: error: variable or field 'numaraComponenteConexe' declared void 38 | void numaraComponenteConexe(ofstream& fisier,std::vector<std::vector<int>>& vectorul, std::bitset& bitsetul){ | ^~~~~~~~~~~~~~~~~~~~~~ main.cpp:38:29: error: 'ofstream' was not declared in this scope; did you mean 'std::ofstream'? 38 | void numaraComponenteConexe(ofstream& fisier,std::vector<std::vector<int>>& vectorul, std::bitset& bitsetul){ | ^~~~~~~~ | std::ofstream /usr/include/c++/12.2.1/iosfwd:165:41: note: 'std::ofstream' declared here 165 | typedef basic_ofstream<char> ofstream; Non zero exit status: 1