Compilare: user.cpp: In function ‘int main()’: user.cpp:7: warning: unused variable ‘d’ user.cpp:7: warning: unused variable ‘y’ user.cpp:8: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:7: warning: ‘s’ may be used uninitialized in this function