Re: Re: Untitled

From Gracious Octupus, 3 Years ago, written in Python.

This paste is a reply to Re: Untitled from Funky Tapir - view diff

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import math

import collections

s = input()

c = collections.Counter(s)

k = list(input())

a = min([c[i] for i in k])

ans = 0

cnt = 0

while cnt < a:

for i in k:

c[i] -= 1

cnt += 1

kans = sum(c.values())

kans = math.factorial(kans+cnt)

kans //= math.factorial(cnt)

for i in c.values():

kans //= math.factorial(i)

ans = ans + (-1)**(cnt+1) * kans

print(ans)

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