Borderou de evaluare (job #397331)

Compilare: user.cpp: In function ‘int main()’: user.cpp:34:7: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:34:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:34:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:10:9: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:10:11: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:10:13: warning: unused variable ‘k’ [-Wunused-variable] user.cpp:10:26: warning: unused variable ‘f’ [-Wunused-variable]