ll@n,@l,@r,@a[n],z=1; sortA(n,a); rep(i,n-1){ ll j=0; while(j<n-1&&!(a[i]*a[j]>=l&&a[i]*a[j]<=r&&a[j]*a[j+1]>=l&&a[j]*a[j+1]<=r)){ ++j; } if(j<n-1){ ll k=j+1; while(k<n&&(a[i]*a[k]>=l&&a[i]*a[k]<=r&&a[k-1]*a[k]>=l&&a[k-1]*a[k]<=r)){ ++k; } z>?=k-j+(i<j-1||i>=k); } } wt(z);