Compilare: main.cpp: In function 'int main()': main.cpp:49:32: warning: capture of variable 'avg' with non-automatic storage duration sort(v.begin(), v.end(), [&avg](Point a, Point b){ ^~~ main.cpp:24:2: note: 'Point avg' declared here }avg(-1, 0, 0); ^~~ main.cpp:54:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < v.size() && v[i].index != 0) ~~^~~~~~~~~~ main.cpp:57:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i; j<v.size(); ++j) ~^~~~~~~~~