Eroare de compilare: user.cpp:2:21: error: iostream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:20: error: ‘cout’ was not declared in this scope user.cpp:20: error: ‘endl’ was not declared in this scope user.cpp:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:21: 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:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result