Compilare: user.cpp: In function ‘void track(int, long long unsigned int, int)’: user.cpp:25:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz>=prim.size()){ ^ user.cpp: In function ‘int main()’: user.cpp:54:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<nrprim.size() && nrprim[i]*1LL*nrprim[i]<=B && B!=1;i++){ ^ user.cpp:54:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<nrprim.size() && nrprim[i]*1LL*nrprim[i]<=B && B!=1;i++){ ^ user.cpp:39:20: warning: unused variable ‘j’ [-Wunused-variable] register int i,j,t,fin,st; ^ user.cpp:39:22: warning: unused variable ‘t’ [-Wunused-variable] register int i,j,t,fin,st; ^ user.cpp:39:24: warning: unused variable ‘fin’ [-Wunused-variable] register int i,j,t,fin,st; ^ user.cpp:39:28: warning: unused variable ‘st’ [-Wunused-variable] register int i,j,t,fin,st; ^