Compilare: main.cpp: In member function 'void graf::sortare_topologica()': main.cpp:115:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 115 | while(rezolvare.size()<n){ | ~~~~~~~~~~~~~~~~^~ main.cpp:116:45: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 116 | for(int i=1;i<=n && rezolvare.size()<n;i++){ | ~~~~~~~~~~~~~~~~^~ main.cpp: In member function 'void graf::ctc()': main.cpp:165:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 165 | for(int j=0;j<vecini[i].size();j++){ | ~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Componente_Biconexe()': main.cpp:218:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 218 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:219:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 219 | for(int j=0;j<solutie[i].size();j++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::DFS3(int, int*, bool*, std::stack<std::pair<int, int> >&, int*, int*, std::vector<std::vector<int> >&, int&, int)': main.cpp:261:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 261 | for(int j=0;j<temporar_muchii[1].size();j++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Havel_Hakimi(std::vector<int>)': main.cpp:273:29: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 273 | if(grade[grade.size()-1]>grade.size()-1){ main.cpp:279:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 279 | if(cel_cel_mai_mare_grad>grade.size()){ | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~