The Edit Distance Approximation a b c a bb a ,21 a a C Delete Insert Unchanged Myers,E.W.An O(ND)difference algorithm and its variations.Algorithmica 1,251-266(1986). https:/doi.org/10.1007/BF01840446The Edit Distance Approximation Myers, E.W. An difference algorithm and its variations. Algorithmica 1, 251–266 (1986). https://doi.org/10.1007/BF01840446 O(ND)