Compilare: user.cpp: In function ‘int main()’: user.cpp:30:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (v.size()>m) v.erase(v.begin()); ^ user.cpp:33:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (v.size()<m) { ^ user.cpp:35:9: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (i=m-v.size()-1;i<j;i++) if (a[i]-48>max) { ^