Compilare: user.cpp: In function ‘int main()’: user.cpp:49:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(inside(i+dl[d],j+dc[d]))ansa[a[i+dl[d]][j+dc[d]]]=acc[c[i+dl[d]][j+dc[d]]]=0; ^ user.cpp:54:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!acc[c[la][ca]])ansa[a[la][ca]]+=sz[c[la][ca]]; ^ user.cpp:56:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ansa[a[la][ca]]>ansf){ ^ user.cpp:57:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] ansf=ansa[a[la][ca]]; ^