Compilare: user.cpp: In function ‘int main()’: user.cpp:15: warning: format ‘%s’ expects type ‘char*’, but argument 2 has type ‘char (*)[300]’ user.cpp:13: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result