Compilare: user.cpp: In function ‘int main()’: user.cpp:71:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[++elem].type=0; ^ user.cpp:72:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[elem].father=act; ^ user.cpp:73:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] Read(v[elem].name); ^ user.cpp:78:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] act=v[act].father; ^ user.cpp:81:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[++elem].type=1; ^ user.cpp:82:10: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[elem].father=act; ^ user.cpp:83:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] Read(v[elem].name); ^ user.cpp:84:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] L[++Size].pos=elem; ^ user.cpp: In function ‘bool bigger(char*, char*)’: user.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:64:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%s",str); ^