Compilare: main.cpp: In function 'int main()': main.cpp:15:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;++i) fr[i]=0; nr=root=0; ^~~ main.cpp:15:40: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int i=1;i<=n;++i) fr[i]=0; nr=root=0; ^~ main.cpp:32:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<vecini[root].size();++i) ~^~~~~~~~~~~~~~~~~~~~