Compilare: user.cpp: In function ‘void rezolva()’: user.cpp:23: warning: use of ‘ll’ length modifier with ‘f’ type character user.cpp: In function ‘int main()’: user.cpp:30: warning: use of ‘ll’ length modifier with ‘f’ type character user.cpp:27: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result