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:57:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] pairs+=1LL*ap[inv[x]][inv[y]][inv[z]]; ^ user.cpp:57:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] pairs+=1LL*ap[inv[x]][inv[y]][inv[z]]; ^ user.cpp:57:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] pairs+=1LL*ap[inv[x]][inv[y]][inv[z]]; ^ user.cpp:62:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=e[a[i]];y=e[b[i]];z=e[c[i]]; ^ user.cpp:62:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=e[a[i]];y=e[b[i]];z=e[c[i]]; ^ user.cpp:62:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] x=e[a[i]];y=e[b[i]];z=e[c[i]]; ^