Compilare: user.cpp: In function ‘int organize()’: user.cpp:43:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] const ushort next = pos[lst[i]][pos[lst[i]][0]--]; ^ user.cpp:43:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] const ushort next = pos[lst[i]][pos[lst[i]][0]--]; ^ user.cpp: In function ‘ushort operations()’: user.cpp:61:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos[fst[i]][++pos[fst[i]][0]] = i; ^ user.cpp:61:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] pos[fst[i]][++pos[fst[i]][0]] = i; ^ user.cpp:63:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[fst[i]]++; ^ user.cpp:64:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[lst[i]]--; ^ user.cpp:75:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if( ap[it] != 0 ) ^