Compilare: main.cpp: In function 'bool verif(int)': main.cpp:45:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int a=0;a<mari.size();a++) ~^~~~~~~~~~~~ main.cpp: In function 'void sub(int)': main.cpp:67:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k==mici.size()+1) ~^~~~~~~~~~~~~~~ main.cpp:70:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=ans[k-1]+1;i<=mici.size();i++) //indicii numerelor prime ~^~~~~~~~~~~~~