Borderou de evaluare (job #166756)

Compilare: user.cpp: In function ‘int val()’: user.cpp:34:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘void back(int)’: user.cpp:70:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:70:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:71:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘int main()’: user.cpp:81:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:81:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:78:10: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:78:17: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:78:19: warning: unused variable ‘y’ [-Wunused-variable] user.cpp: In function ‘bool egal()’: user.cpp:62:1: warning: control reaches end of non-void function [-Wreturn-type] user.cpp: In function ‘int val()’: user.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type]