Compilare: user.cpp: In function ‘void Read()’: user.cpp:19:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] T[x] = x-'a'; ^ user.cpp:31:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[T[s[i][k]]] = k; ^ user.cpp: In function ‘void Solve()’: user.cpp:63:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] else st[i].push(poz[i][T[x]][st[i].top()]); ^ user.cpp:38:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,k,ans,lst; ^ user.cpp:38:13: warning: unused variable ‘k’ [-Wunused-variable] int i,j,k,ans,lst; ^ user.cpp:38:19: warning: unused variable ‘lst’ [-Wunused-variable] int i,j,k,ans,lst; ^