Borderou de evaluare (job #310828)

Compilare: user.cpp: In function ‘int exp()’: user.cpp:59:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp:62:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘void readFile()’: user.cpp:37:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]