Compilare: main.cpp: In function 'void solve(long long int, long long int)': main.cpp:28:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int tmp=0;tmp<nrPrime.size() && nrPrime[tmp]*nrPrime[tmp]<=b;++tmp){ ~~~^~~~~~~~~~~~~~~ main.cpp:42:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<divizori.size();++j){ ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void ciur()': main.cpp:19:18: warning: iteration 999999 invokes undefined behavior [-Waggressive-loop-optimizations] if(!viz[i]){ ~~~~~^ main.cpp:18:19: note: within this loop for(long i=2;i<=MAX;++i){ ^