Compilare: main.cpp: In function 'int main()': main.cpp:67:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | if(mx_comp < comp_biconex[i].size()){ | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:72:41: warning: 'mx_comp_id' may be used uninitialized [-Wmaybe-uninitialized] 72 | for(int it : comp_biconex[mx_comp_id]){ | ^ main.cpp:65:23: note: 'mx_comp_id' was declared here 65 | int mx_comp = -1, mx_comp_id; | ^~~~~~~~~~