Compilare: user.cpp: In function ‘int main()’: user.cpp:25:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] fr[s[i]]=1; ^ user.cpp:31:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] Next[n][s[n]]=n; ^ user.cpp:36:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] Next[i][s[i]]=i; ^ user.cpp:44:53: warning: array subscript has type ‘char’ [-Wchar-subscripts] subsir[i]+=subsir[Next[i+1][v[j]]]; ^ user.cpp:59:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] int pz=Next[1][v[j]], ta=0; ^ user.cpp:74:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] pz=Next[pz+1][v[j]]; ^ user.cpp:88:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] pz=Next[pz+1][v[j]]; ^ user.cpp:18:19: warning: unused variable ‘cop’ [-Wunused-variable] long long cop=k; ^