Borderou de evaluare (job #305886)

Compilare: user.cpp: In function ‘void bck(char)’: user.cpp:14:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:16:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:16:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:27:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:29:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:29:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:29:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:34:16: warning: array subscript has type ‘char’ [-Wchar-subscripts]