Compilare: main.cpp: In function 'void dfs(int)': main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0; i< adiacenta[nod_start].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for (int i = 0; i < rezultat.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:52:36: warning: 'legatura' may be used uninitialized in this function [-Wmaybe-uninitialized] 52 | elem_conexe[legatura][1]++; | ~~~~~~~~~~~~~~~~~~~~~~~^