Compilare: main.cpp: In function 'int32_t main()': main.cpp:39:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(ll i=1;i<=n;i++) ^~~ main.cpp:41:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' do{ ^~ main.cpp:44:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ll j=0;j<v[a[i]].size();j++) ~^~~~~~~~~~~~~~~