Compilare: user.cpp:24:26: warning: multi-character character constant [-Wmultichar] fin.getline(v,500000,'EOF'); ^ user.cpp: In function ‘int main()’: user.cpp:24:31: warning: overflow in implicit constant conversion [-Woverflow] fin.getline(v,500000,'EOF'); ^ user.cpp:43:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] sol=a[B->x1]+1; ^ user.cpp:44:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[B->x2]=maxi(a[B->x2],sol); ^ user.cpp:44:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[B->x2]=maxi(a[B->x2],sol); ^