Compilare: main.cpp: In function 'void bfs(long long int)': main.cpp:20:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (i=0;i<v1[nod].size();++i) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:34:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 34 | for (i=2;i<=m;++i) | ^~~ main.cpp:36:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 36 | dp2[1]=1; | ^~~