Compilare: user.cpp: In function ‘unsigned int Alphabet(char)’: user.cpp:21:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] return SHUF[c]; ^ user.cpp: In function ‘int main()’: user.cpp:60:17: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[65]’ [-Wformat=] scanf("%s ",&W); ^ user.cpp:71:17: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[65]’ [-Wformat=] scanf("%s ",&W); ^ user.cpp:51:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("seti.in","r",stdin); ^ user.cpp:52:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("seti.out","w",stdout); ^ user.cpp:54:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&N); ^ user.cpp:60:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s ",&W); ^ user.cpp:67:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&M); ^ user.cpp:71:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s ",&W); ^