Compilare: user.cpp: In function ‘LLD GCD(LLD&, LLD&, int, int)’: user.cpp:62:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void Terminate()’: user.cpp:126:15: warning: statement is a reference, not call, to function ‘CloseFiles’ [-Waddress] CloseFiles; ^ user.cpp:126:15: warning: statement has no effect [-Wunused-value] user.cpp: In function ‘void Read()’: user.cpp:30:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^