Compilare: main.cpp: In member function 'void Graf::afis()': main.cpp:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int j=0; j<adc[i].size(); j++){ | ~^~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(int)': main.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i=0; i<adc[nod].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::bfs(int, int)': main.cpp:81:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int i=0; i<adc[nod].size(); i++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:135:13: warning: unused variable 'x' [-Wunused-variable] 135 | int s,d,x,y,c; | ^ main.cpp:135:15: warning: unused variable 'y' [-Wunused-variable] 135 | int s,d,x,y,c; | ^ main.cpp:135:17: warning: unused variable 'c' [-Wunused-variable] 135 | int s,d,x,y,c; | ^