Compilare: user.cpp: In function ‘void dfs(graf, int, int*)’: user.cpp:48:6: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘void dfs_print(graf, int, int*)’: user.cpp:60:6: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘int main()’: user.cpp:142:28: warning: ‘poz_odd’ may be used uninitialized in this function [-Wmaybe-uninitialized] dfs_print(g, poz_odd, v); ^