Compilare: main.cpp: In function 'void dinamica()': main.cpp:77:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++) ~^~~~~~~~~ main.cpp:81:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<v[0].size()) ~^~~~~~~~~~~~ main.cpp:86:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2;i<=v.size();i++) ~^~~~~~~~~~