Compilare: user.cpp: In function ‘void Read()’: user.cpp:10: warning: suggest parentheses around ‘-’ inside ‘<<’ user.cpp:7: warning: unused variable ‘p’ user.cpp:8: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result