Compilare: user.cpp: In function ‘int main()’: user.cpp:56:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=e[a[i]];y=e[b[i]];z=e[c[i]]; ^ user.cpp:56:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=e[a[i]];y=e[b[i]];z=e[c[i]]; ^ user.cpp:56:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=e[a[i]];y=e[b[i]];z=e[c[i]]; ^ user.cpp:59:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] pairs+=ap[inv[x]][inv[y]][inv[z]]; ^ user.cpp:59:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] pairs+=ap[inv[x]][inv[y]][inv[z]]; ^ user.cpp:59:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] pairs+=ap[inv[x]][inv[y]][inv[z]]; ^ user.cpp:64:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[e[a[i]]][e[b[i]]][e[c[i]]]=0; ^ user.cpp:64:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[e[a[i]]][e[b[i]]][e[c[i]]]=0; ^ user.cpp:64:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[e[a[i]]][e[b[i]]][e[c[i]]]=0; ^ user.cpp:64:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[e[a[i]]][e[b[i]]][e[c[i]]]=0; ^ user.cpp:64:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[e[a[i]]][e[b[i]]][e[c[i]]]=0; ^ user.cpp:64:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[e[a[i]]][e[b[i]]][e[c[i]]]=0; ^