Eroare de compilare: user.cpp:2:19: error: conio.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:45: error: ‘getch’ was not declared in this scope user.cpp:6: warning: unused variable ‘nr’ user.cpp:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result