Compilare: user.cpp: In function ‘int Lines(int, int, int)’: user.cpp:87: warning: unused variable ‘SizeC’ user.cpp:92: warning: unused variable ‘SizeC’ user.cpp:94: warning: unused variable ‘SizeD’ user.cpp: In function ‘void Read()’: user.cpp:146: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:147: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void Print()’: user.cpp:152: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result