Compilare: main.cpp: In function 'int isPrime(int, std::vector<int>)': main.cpp:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<vect.size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:35:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<unu.size();i++) ~^~~~~~~~~~~ main.cpp:41:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==(unu.size()-1)) ~^~~~~~~~~~~~~~~~ main.cpp:70:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(index=0;index<unu.size();index++) ~~~~~^~~~~~~~~~~