Foreword
What digital dp that? I used to think this concept very big, last March, the Blue Bridge Cup last question is said to digital dp.
Recently busy all right, learn about the discovery is quite amazing.
Speaking from a simple question
A number, If '4' or '62', it is unlucky. Given m, n, 0 <m≤n <10 ^ 6, count the number of [m, n] Neiji Li number range.