Borderou de evaluare (job #511509)

Compilare: user.cpp: In function 'int main()': user.cpp:21:24: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:31:39: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:44:28: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:45:28: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:46:25: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:46:32: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:48:34: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:49:34: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:51:25: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:51:32: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:52:22: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:52:29: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:54:25: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:54:32: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:59:18: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:59:25: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:67:24: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:67:31: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:67:44: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:19:10: warning: unused variable 'ch1' [-Wunused-variable]