Eroare de compilare: user.cpp: In function ‘int ndiv(int)’: user.cpp:7:5: error: ‘ll’ was not declared in this scope ll ans=0; ^ user.cpp:7:8: error: expected ‘;’ before ‘ans’ ll ans=0; ^ user.cpp:8:32: error: ‘ans’ was not declared in this scope for (int i=1; i*i<=q; i++) ans+=(q/i) * 2; ^ user.cpp:10:12: error: ‘ans’ was not declared in this scope return ans + r - r * (r + 1); ^ user.cpp:11:1: warning: control reaches end of non-void function [-Wreturn-type] } ^