Compilare: user.cpp: In function ‘int main()’: user.cpp:16:12: warning: unused variable ‘k1’ [-Wunused-variable] int S, i, k1; ^ user.cpp:35:27: warning: ‘end’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<max<<" "<<start<<" "<<end<<endl; ^ user.cpp:35:15: warning: ‘start’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<max<<" "<<start<<" "<<end<<endl; ^