Compilare: user.cpp: In function ‘void read()’: user.cpp:22: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘unsigned char*’ user.cpp:18: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void dinamic()’: user.cpp:47: warning: unused variable ‘prim’