Let 𝐴 be an array containing integer values. The distance of 𝐴 is defined as…

Let 𝐴 be an array containing integer values. The distance of 𝐴 is defined as the minimum number of elements in 𝐴 that must be replaced with another integer so that the resulting array is sorted in non-decreasing order. The distance of the array [2, 5, 3, 1, 4, 2, 6] is ___________