Compilare: main.cpp: In function 'std::vector<int> bfs(int)': main.cpp:23:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 23 | viz[nod]=d[nod]=1; main.cpp:29:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int i=0; i<l[coada[inc]].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for(int i=0; i<comun.size(); i++) | ~^~~~~~~~~~~~~