mare.cpp: In member function 'long long int HugeN::cmp(const HugeN&)': mare.cpp:33: warning: unused variable 'n' mare.cpp: In member function 'HugeN HugeN::operator+(long long int)': mare.cpp:163: warning: no return statement in function returning non-void mare.cpp: In function 'int main()': mare.cpp:330: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result mare.cpp:331: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result mare.cpp:334: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result mare.cpp:336: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result