Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25: error: ‘__int64’ was not declared in this scope user.cpp:25: error: expected ‘;’ before ‘A’ user.cpp:28: error: ‘A’ was not declared in this scope user.cpp:28: error: ‘B’ was not declared in this scope user.cpp:28: error: ‘C’ was not declared in this scope user.cpp:28: error: ‘D’ was not declared in this scope user.cpp:28: error: ‘E’ was not declared in this scope user.cpp:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result