Compilare: main.cpp: In function 'int main()': main.cpp:39:25: warning: array subscript has type 'char' [-Wchar-subscripts] ap[ch[i]]=maxi; ^ main.cpp:45:26: warning: array subscript has type 'char' [-Wchar-subscripts] x=ap[ch1[i-1]]; ^ main.cpp:52:26: warning: array subscript has type 'char' [-Wchar-subscripts] x=ap[ch2[i-1]]; ^