Borderou de evaluare (job #113610)

Compilare: user.cpp: In function ‘int main()’: user.cpp:12:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:12:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:13:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:14:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:15:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:6:16: warning: unused variable ‘ok’ [-Wunused-variable] user.cpp:7:5: warning: unused variable ‘a’ [-Wunused-variable]