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:49:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (ap[s[i]] == 0) { ^ user.cpp:51:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[s[i]]=1; ^ user.cpp:53:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sum<cop) ^ user.cpp:65:47: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (j<=m&&Next[pz+1][v[j]]==0 && k>0) ^ user.cpp:73:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] pz=Next[pz+1][v[j]]; ^ user.cpp:79:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] while (Next[pz+1][v[j]]==0 && k>0&&j<=m) ^ user.cpp:87:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] pz=Next[pz+1][v[j]]; ^ user.cpp:58:19: warning: unused variable ‘cp’ [-Wunused-variable] int pz=1, cp=0, ta=0; ^