Compilare: main.cpp: In function 'int main()': main.cpp:26:35: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | for(i=0;i<m;i++)in>>a[i],l[a[i]]=i; | ~~~^ main.cpp:28:14: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | f[a[i]]=i; | ~~~^ main.cpp:35:29: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | for(i=j;i<=l[a[j]];i++) | ~~~^ main.cpp:39:26: warning: array subscript has type 'char' [-Wchar-subscripts] 39 | l[a[i]]=i; | ~~~^ main.cpp:42:26: warning: array subscript has type 'char' [-Wchar-subscripts] 42 | p[a[i]]=i; | ~~~^