Compilare: main.cpp: In member function 'void graf::sortare_topologica()': main.cpp:121:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 121 | while(rezolvare.size()<n){ | ~~~~~~~~~~~~~~~~^~ main.cpp:122:45: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 122 | for(int i=1;i<=n && rezolvare.size()<n;i++){ | ~~~~~~~~~~~~~~~~^~ main.cpp: In member function 'void graf::ctc()': main.cpp:171:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 171 | for(int j=0;j<vecini[i].size();j++){ | ~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Componente_Biconexe()': main.cpp:222:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 222 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:223:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 223 | 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:265:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 265 | for(int j=0;j<temporar_muchii[1].size();j++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Muchii_Critice()': main.cpp:298:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 298 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp:300:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 300 | if(i!=solutie.size()-1){ | ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Havel_Hakimi(std::vector<int>)': main.cpp:342:29: 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] 342 | if(grade[grade.size()-1]>grade.size()-1){ main.cpp:348:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 348 | if(cel_cel_mai_mare_grad>grade.size()){ | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In member function 'void graf_cu_costuri::kruskall()': main.cpp:496:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 496 | for(int i=0;i<muchii.size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:505:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 505 | for(int i=0;i<solutie.size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_cu_costuri::dijkstra(int)': main.cpp:534:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 534 | for(int i=0;i<vecini[nod_curent].size();i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf_cu_costuri::bellman_ford(int)': main.cpp:584:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 584 | for(int i=0;i<vecini[nod_curent].size();i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~