Eroare de compilare: user.cpp:3:19: error: conio.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:22: warning: operation on ‘k’ may be undefined user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result