Compilare: main.cpp: In member function 'void graf::biconex(unsigned int, int*, int*, unsigned int&, std::stack<std::pair<unsigned int, unsigned int> >&, std::vector<unsigned int>&)': main.cpp:298:47: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 298 | while(aux1!=nod_curent || aux2!=this->lista_vecini[nod_curent][i].first); | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::havelhakimi()': main.cpp:415:33: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 415 | for (unsigned int i=0; i<=vmax; ++i) | ~^~~~~~ main.cpp:416:37: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 416 | for (unsigned int j=0; j<ap[i]; ++j) | ~^~~~~~ main.cpp: In member function 'void graf::disjoint()': main.cpp:606:29: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 606 | for (unsigned int i=0; i<=n; ++i) | ~^~~ main.cpp: In member function 'void graf::dijkstra()': main.cpp:675:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 675 | for (int i=0; i<this->lista_vecini[nod].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::Bellman_Ford()': main.cpp:731:42: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 731 | if (nrCoada[nod_dest]>this->n) | ~~~~~~~~~~~~~~~~~^~~~~~~~ main.cpp: In member function 'void graf::maxflow()': main.cpp:786:27: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 786 | if (nod_curent!=this->n) | ~~~~~~~~~~^~~~~~~~~ main.cpp: In member function 'void graf::cicluhamilton()': main.cpp:954:16: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 954 | for (i=0; i<(1<<this->n); ++i) | ~^~~~~~~~~~~~~ main.cpp:966:16: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 966 | for (i=0; i<1<<this->n; ++i) | ~^~~~~~~~~~~ main.cpp:968:24: warning: '<<' in boolean context, did you mean '<'? [-Wint-in-bool-context] 968 | if (i && (1<<j)) | ~~^~~~ main.cpp:972:32: warning: '<<' in boolean context, did you mean '<'? [-Wint-in-bool-context] 972 | if (i && (1<<vecin)) | ~~^~~~~~~~