Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:46:13: warning: variable 'it' set but not used [-Wunused-but-set-variable] 46 | for (auto it : g[u]) { | ^~ main.cpp:47:9: warning: 'v' may be used uninitialized in this function [-Wmaybe-uninitialized] 47 | int v, w; | ^ main.cpp:50:7: warning: 'w' may be used uninitialized in this function [-Wmaybe-uninitialized] 50 | if (w < h[u]) { | ^~