Compilare: user.cpp: In function ‘void Read()’: user.cpp:19:23: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[27]’ [-Wformat=] scanf("%s", &c); ^ user.cpp: In function ‘void Run()’: user.cpp:31:19: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[27]’ [-Wformat=] scanf("%s", &c); ^ user.cpp: In function ‘void Read()’: user.cpp:16:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &A); ^ user.cpp:19:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &c); ^ user.cpp:25:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &B); ^ user.cpp: In function ‘void Run()’: user.cpp:31:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &c); ^