Thanks for this kata.

I think the test has a serious deficiency: it does not check if the solution contains the smallest possible numbers, although this condition is stated in the problem description. Please modify the test or the description.

Dear moshtabamoshtaba,

I am sorry to say, that your solution seems to fail with input "DRLGVEQDCBKWOIRIMBXSMIIM" (expected 102497506527078530318 but got 102497506527078530317) and
"WENOJOEKEIATBXOQVVJJ" and (expected 5121906710307558 but got 5121906710307557). The problem is with // in the function P. E.g. for input "BBAA" sorted("BBAA").index("B")P("BBAA") gives 26//4=2 instead of the correct 2*6/4 = 3. Indeed there are 3 anagramms before BBAA which begin with A: AABB, ABAB, ABBA.

Yours sincerely,
zhamar

The Haskell check of the solution for this task is broken: "the module Zoo is missing." So I can not "attempt" my solution, although the "run sample tests" is successfull.