Compilare: main.cpp: In function 'int bfs(int)': main.cpp:56:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(j=0;j<adj[curr].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:155:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 155 | for(z=0;z<scoatefre.size();z++) | ~^~~~~~~~~~~~~~~~~ main.cpp:167:9: warning: unused variable 'k' [-Wunused-variable] 167 | int k; | ^