Compilare: main.cpp: In member function 'void graf::construire_graf(int)': main.cpp:51:15: warning: unused variable 'cost' [-Wunused-variable] 51 | int u, v, cost; | ^~~~ main.cpp: In member function 'void graf::bfs(int)': main.cpp:112:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | for(int i = 0; i < lista[nod_s].size(); i++) //parcurgem lista de adiacenta a nodului nod_s | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::dfs(int, bool*)': main.cpp:149:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for(int i = 0; i < lista[nod].size(); i ++) //parcurgem lista de vecini a lui nod | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::CtareC()': main.cpp:261:27: 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 < ctc[i].size(); j ++) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::compTC(int, std::vector<int>*, bool*, int&)': main.cpp:273:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 273 | for(int i = 0; i < lista1[nod].size(); i ++) //pt. fiecare nod i din care se poate ajunge in nod | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Havel_Hakimi(std::vector<int>&, int)': main.cpp:309:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 309 | if (a > x.size()) //verificam daca avem suficiente elem. in vector. Daca nu => nu se poate crea graful | ~~^~~~~~~~~~ main.cpp: In member function 'void graf::dijkstra()': main.cpp:387:13: warning: unused variable 'dist' [-Wunused-variable] 387 | int dist = s.begin() -> first; | ^~~~ main.cpp: In member function 'void graf::bellmanford()': main.cpp:485:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 485 | for(int k = 0; k < vecini[coada.front()].size(); k ++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:624:9: warning: unused variable 's' [-Wunused-variable] 624 | int s, n, m; | ^