Compilare: main.cpp: In function 'int era()': main.cpp:47:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int gaseste(int)': main.cpp:52:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=nr+1 ; i<prime.size();i++) ~^~~~~~~~~~~~~