Compilare: main.cpp: In member function 'void Graf::BFS()': main.cpp:95:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for(int i = 0; i < A[x].size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&, std::stack<int>&)': main.cpp:121:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(int i = 0; i < A[start].size(); i++){ | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Bellman(int)': main.cpp:512:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 512 | for(int i = 0; i < Ca[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Royfloyd()': main.cpp:564:9: warning: unused variable 'i' [-Wunused-variable] 564 | int i,j,k; | ^ main.cpp:564:11: warning: unused variable 'j' [-Wunused-variable] 564 | int i,j,k; | ^ main.cpp:564:13: warning: unused variable 'k' [-Wunused-variable] 564 | int i,j,k; | ^ main.cpp: In member function 'void Graf::DFSA(int, int, std::vector<bool>&, int&, int&)': main.cpp:598:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 598 | for(int i = 0; i < A[s].size(); i++){ | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:636:18: warning: 'M' is used uninitialized in this function [-Wuninitialized] 636 | Graf G(N, M-1); | ^