Compilare: main.cpp: In function 'int DFS(int, int)': main.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0;i<vecini[start].size();i++){ | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] 22 | } | ^