Compilare: user.cpp:6: warning: integer overflow in expression user.cpp: In function ‘void cit()’: user.cpp:156: warning: use of ‘ll’ length modifier with ‘f’ type character user.cpp:156: warning: use of ‘ll’ length modifier with ‘f’ type character user.cpp:156: warning: use of ‘ll’ length modifier with ‘f’ type character user.cpp:156: warning: use of ‘ll’ length modifier with ‘f’ type character user.cpp:156: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:288: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:289: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int in_dd(double, double, double, double, double, double, double, double, double&, double&)’: user.cpp:108: warning: ‘n1’ may be used uninitialized in this function user.cpp:108: warning: ‘n2’ may be used uninitialized in this function