Compilare: main.cpp: In member function 'void graf::sortare_topologica()': main.cpp:116:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 116 | while(rezolvare.size()<n){ | ~~~~~~~~~~~~~~~~^~ main.cpp:117:45: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 117 | for(int i=1;i<=n && rezolvare.size()<n;i++){ | ~~~~~~~~~~~~~~~~^~ main.cpp: In member function 'void graf::ctc()': main.cpp:166:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 166 | for(int j=0;j<vecini[i].size();j++){ | ~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Componente_Biconexe()': main.cpp:217:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 217 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:218:22: 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<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)': main.cpp:260:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 260 | for(int j=0;j<temporar_muchii[1].size();j++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Muchii_Critice()': main.cpp:293:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 293 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:295:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 295 | if(i!=solutie.size()-1){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Havel_Hakimi(std::vector<int>)': main.cpp:337:29: 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] 337 | if(grade[grade.size()-1]>grade.size()-1){ main.cpp:343:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 343 | if(cel_cel_mai_mare_grad>grade.size()){ | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~