Compilare: user.cpp: In function ‘void read(FILE*, FILE*)’: user.cpp:14:20: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[17]’ [-Wformat=] scanf("%s",&cod); ^ user.cpp:21:22: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[6]’ [-Wformat=] scanf("%s",&s); ^ user.cpp:25:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] cd = cd * 12 + f[s[j]]; ^ user.cpp:13:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&p,&n); ^ user.cpp:14:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&cod); ^ user.cpp:21:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s); ^