Compilare: main.cpp: In function 'int main()': main.cpp:26:26: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | if (d[v[i][a[i]-1]]<1+d[v[i][0]]) | ~~~~~~~~~~~^ main.cpp:26:39: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | if (d[v[i][a[i]-1]]<1+d[v[i][0]]) | ~~~~~~^ main.cpp:28:26: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | t[i]=u[v[i][0]]; | ~~~~~~^ main.cpp:29:26: warning: array subscript has type 'char' [-Wchar-subscripts] 29 | u[v[i][a[i]-1]]=i; | ~~~~~~~~~~~^ main.cpp:31:22: warning: array subscript has type 'char' [-Wchar-subscripts] 31 | d[v[i][a[i]-1]]=max (d[v[i][a[i]-1]],1+d[v[i][0]]); | ~~~~~~~~~~~^ main.cpp:31:43: warning: array subscript has type 'char' [-Wchar-subscripts] 31 | d[v[i][a[i]-1]]=max (d[v[i][a[i]-1]],1+d[v[i][0]]); | ~~~~~~~~~~~^ main.cpp:31:56: warning: array subscript has type 'char' [-Wchar-subscripts] 31 | d[v[i][a[i]-1]]=max (d[v[i][a[i]-1]],1+d[v[i][0]]); | ~~~~~~^ main.cpp:32:26: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | if (d[v[i][a[i]-1]]>maxc) | ~~~~~~~~~~~^ main.cpp:34:31: warning: array subscript has type 'char' [-Wchar-subscripts] 34 | maxc=d[v[i][a[i]-1]]; | ~~~~~~~~~~~^