Compilare: main.cpp: In function 'void bfs(std::vector<int>, std::vector<int>&, int)': main.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0;i<v.size();i++){ | ~^~~~~~~~~ main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i=0;i<grafNou[nod].size() && distante[stop]==-1;i++){ | ~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:99:17: warning: unused variable 'nod' [-Wunused-variable] 99 | int nod=i*m+j; | ^~~