Eroare de compilare: user.cpp:1:18: error: Stdio.h: No such file or directory user.cpp:2: error: expected constructor, destructor, or type conversion before ‘*’ token user.cpp: In function ‘int main()’: user.cpp:19: error: ‘f’ was not declared in this scope user.cpp:19: error: ‘fopen’ was not declared in this scope user.cpp:20: error: ‘g’ was not declared in this scope user.cpp:21: error: ‘fscanf’ was not declared in this scope user.cpp:31: error: ‘fprintf’ was not declared in this scope user.cpp:32: error: ‘fclose’ was not declared in this scope