Compilare: user.cpp: In member function ‘void HugeN::print()’: user.cpp:52:13: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In member function ‘int HugeN::cmp(const HugeN&)’: user.cpp:85:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In member function ‘HugeN HugeN::operator+=(const HugeN&)’: user.cpp:119:20: warning: unused variable ‘i’ [-Wunused-variable] int tr=0, aux, i; ^ user.cpp: In member function ‘HugeN HugeN::operator-(const HugeN&)’: user.cpp:136:9: warning: unused variable ‘aux’ [-Wunused-variable] int aux, tr=0; ^ user.cpp: In member function ‘HugeN HugeN::operator-=(const HugeN&)’: user.cpp:159:15: warning: unused variable ‘aux’ [-Wunused-variable] int tr=0, aux, i; ^ user.cpp:159:20: warning: unused variable ‘i’ [-Wunused-variable] int tr=0, aux, i; ^ user.cpp: In member function ‘HugeN HugeN::operator-(int)’: user.cpp:182:15: warning: unused variable ‘aux’ [-Wunused-variable] int tr=0, aux, i; ^ user.cpp:182:20: warning: unused variable ‘i’ [-Wunused-variable] int tr=0, aux, i; ^