Compilare: user.cpp: In function ‘void rm()’: user.cpp:13:15: warning: unused variable ‘h’ [-Wunused-variable] long long h=1,k=1,y=1; ^ user.cpp: In function ‘void dfs(long long int, long long int)’: user.cpp:116:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(long long i=0;i<g[nod].size();i++) ^~~ user.cpp:118:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ pz=c; ^~