Borderou de evaluare (job #68560)

Compilare: user.cpp: In function ‘void afisare()’: user.cpp:18:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘void backt(char)’: user.cpp:28:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:29:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:31:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:33:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:35:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:24:9: warning: unused variable ‘j’ [-Wunused-variable]