Borderou de evaluare (job #415799)

Compilare: user.cpp: In function ‘int main()’: user.cpp:74:20: warning: passing NULL to non-pointer argument 3 of ‘void std::fill(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = char*, _Tp = int]’ [-Wconversion-null] user.cpp:74:20: warning: passing NULL to non-pointer argument 3 of ‘void std::fill(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = char*, _Tp = int]’ [-Wconversion-null] user.cpp:79:21: warning: array subscript has type ‘char’ [-Wchar-subscripts]