Compilare: main.cpp: In function 'int main()': main.cpp:40:20: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | fa[i]=fa[pa[a[i]]]+1; | ~~~^ main.cpp:41:20: warning: array subscript has type 'char' [-Wchar-subscripts] 41 | fb[i]=fb[pb[b[i]]]+1; | ~~~^ main.cpp:42:11: warning: array subscript has type 'char' [-Wchar-subscripts] 42 | pa[a[i]]=i; | ~~~^ main.cpp:43:11: warning: array subscript has type 'char' [-Wchar-subscripts] 43 | pb[b[i]]=i; | ~~~^ main.cpp:64:27: warning: array subscript has type 'char' [-Wchar-subscripts] 64 | s=s+ok0*fa[pa[ch]]+ok1*fb[pb[ch]]; | ^~ main.cpp:64:42: warning: array subscript has type 'char' [-Wchar-subscripts] 64 | s=s+ok0*fa[pa[ch]]+ok1*fb[pb[ch]]; | ^~ main.cpp:70:23: warning: array subscript has type 'char' [-Wchar-subscripts] 70 | s=s+ok0*fb[pb[ch]]+ok1*fa[pa[ch]]; | ^~ main.cpp:70:38: warning: array subscript has type 'char' [-Wchar-subscripts] 70 | s=s+ok0*fb[pb[ch]]+ok1*fa[pa[ch]]; | ^~ main.cpp:74:19: warning: array subscript has type 'char' [-Wchar-subscripts] 74 | s=s+nr*fa[pa[ch]]+nr*fb[pb[ch]]; | ^~ main.cpp:74:33: warning: array subscript has type 'char' [-Wchar-subscripts] 74 | s=s+nr*fa[pa[ch]]+nr*fb[pb[ch]]; | ^~