Eroare de compilare: user.cpp:13:19: error: conio.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:27: warning: statement has no effect user.cpp:28: warning: statement has no effect user.cpp:36: warning: suggest parentheses around assignment used as truth value user.cpp:20: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:21: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result