Compilare: main.cpp: In function 'void dfs(ll)': main.cpp:20:10: warning: pointer to a function used in arithmetic [-Wpointer-arith] dfs[it]; ^ main.cpp:20:10: warning: value computed is not used [-Wunused-value] dfs[it]; ~~~~~~^ main.cpp:20:10: warning: statement has no effect [-Wunused-value] main.cpp: In function 'int32_t main()': main.cpp:29:5: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized] int t; ^