Eroare de compilare: user.cpp:2:18: error: conio.h: No such file or directory user.cpp: In function ‘void citire()’: user.cpp:12: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:44: warning: NULL used in arithmetic user.cpp:49: error: ‘getch’ was not declared in this scope