Borderou de evaluare (job #288347)

Compilare: user.cpp: In function 'int getNr()': user.cpp:71:20: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp:81:20: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp: In function 'void readFile()': user.cpp:118:29: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp: In function 'int factor()': user.cpp:226:28: warning: array subscript has type 'char' [-Wchar-subscripts] user.cpp: In function 'void refillBuff()': user.cpp:26:32: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]