Eroare de compilare: main.cpp:7:1: error: ISO C++ forbids declaration of 'bfs' with no type [-fpermissive] 7 | bfs(int nr){int k; | ^~~ main.cpp: In function 'int bfs(int)': main.cpp:11:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int j=0;j<v[k].size();j++){ | ~^~~~~~~~~~~~ main.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type] 16 | } | ^ Non zero exit status: 1