Eroare de compilare: user.cpp:3: error: array must be initialized with a brace-enclosed initializer user.cpp: In function ‘int main()’: user.cpp:50: warning: format ‘%ld’ expects type ‘long int*’, but argument 2 has type ‘int’ user.cpp:16: error: too few arguments to function ‘void f2(int, int, int, int)’ user.cpp:51: error: at this point in file user.cpp:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:46: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result