Compilare: main.cpp: In function 'int main()': main.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<V.size(); i++) ~^~~~~~~~~ main.cpp:19:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i=0; i<V.size(); i++) ^~~ main.cpp:21:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' cout<<"\n"; ^~~~