Compilare: main.cpp: In member function 'void graf_neorientat::DFSbiconex(int, std::vector<int>*, int*, int*, std::stack<int>&, std::vector<std::unordered_set<int> >&)': main.cpp:67:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int j=0; j<muchii[nod].size(); ++j) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_neorientat::Componente_biconexe()': main.cpp:121:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::unordered_set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(int i=0; i<componente.size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_neorientat::DFScritice(int, std::vector<int>*, std::vector<std::vector<int> >&, int*, int*)': main.cpp:141:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | for(int j=0; j<muchii[nod].size(); ++j) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_neorientat::MuchiiCritice()': main.cpp:182:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 182 | for(int i=0; i<muchii_critice.size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:184:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 184 | for(int j=0; j<muchii_critice[i].size(); ++j) | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_orientat::SortareTopologica()': main.cpp:202:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 202 | for(int j=0; j<muchii[i].size(); ++j) | ~^~~~~~~~~~~~~~~~~ main.cpp:218:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 218 | for(int j=0; j<muchii[vf].size(); ++j) //scad gradele vecinilor (elimin nodul curent in mod fictiv) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_orientat::Graf_transpus(std::vector<int>*)': main.cpp:235:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 235 | for(int j=0; j<muchii[i].size(); ++j) | ~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_orientat::DFStimpi(int, std::vector<int>*, std::stack<int>&)': main.cpp:241:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 241 | for(int i=0; i<muchii_curente[nod].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_orientat::DFSctc(int, std::vector<int>*, int, std::vector<int>*)': main.cpp:253:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 253 | for(int i=0; i<muchii_curente[nod].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_orientat::CTC()': main.cpp:289:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 289 | for(int j=0; j<comp_tare_con[i].size(); ++j) | ~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::DFS(int, std::vector<int>*)': main.cpp:330:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 330 | for(int i=0; i<muchii_curente[nod].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::BFS(int)': main.cpp:350:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 350 | for(int i=0; i<muchii[vf].size(); ++i) | ~^~~~~~~~~~~~~~~~~~