Eroare de compilare: user.cpp:8: error: ‘ll’ does not name a type user.cpp: In function ‘int main()’: user.cpp:14: error: ‘N’ was not declared in this scope user.cpp:14: error: ‘S’ was not declared in this scope user.cpp:15: error: ‘i’ was not declared in this scope user.cpp:17: error: ‘V’ was not declared in this scope user.cpp:20: error: ‘dp’ was not declared in this scope user.cpp:25: error: ‘j’ was not declared in this scope user.cpp:12: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:13: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result