Compilare: user.cpp: In function ‘int main()’: user.cpp:20: warning: format ‘%.0Lf’ expects type ‘long double’, but argument 2 has type ‘double’ user.cpp:49: warning: format ‘%.0Lf’ expects type ‘long double’, but argument 2 has type ‘double’ user.cpp:50: warning: format ‘%.0Lf’ expects type ‘long double’, but argument 2 has type ‘double’ user.cpp:51: warning: too many arguments for format user.cpp:52: warning: format ‘%.0Lf’ expects type ‘long double’, but argument 2 has type ‘double’ user.cpp:11: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:13: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result