Compilare: main.cpp: In function 'int main()': main.cpp:68:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | if(mx_comp < comp_biconex[i].size()){ | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:74:62: warning: 'mx_comp_id' may be used uninitialized [-Wmaybe-uninitialized] 74 | DFSn(comp_biconex[mx_comp_id][0], comp_biconex[mx_comp_id][0], 1); | ^ main.cpp:66:23: note: 'mx_comp_id' was declared here 66 | int mx_comp = -1, mx_comp_id; | ^~~~~~~~~~