Borderou de evaluare (job #101613)

Compilare: user.cpp: In function ‘int success()’: user.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:48:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:59:18: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:68:19: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp:70:16: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:77:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:92:29: warning: array subscript has type ‘char’ [-Wchar-subscripts]