Compilare: user.cpp: In function ‘void decompress(int, int, int, int)’: user.cpp:23:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] } else if(isdigit[compresie[cursor]]) { ^ user.cpp:24:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isdigit[compresie[cursor]]) ^ user.cpp: In function ‘int main()’: user.cpp:66:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(isalpha[compresie[i]]) ^ user.cpp:70:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(isdigit[compresie[i]]) { ^ user.cpp:52:34: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(compresie, MAX_COMP, fin); ^