Problem #162

A sum with constraints
Public 09/14/14 7xp Programming 38.1%

Find the sum of all integers with at most 12 digits and containing exactly one '1', two '2', three '3' and four '4' in their digital representation (E.g: 23313447424)

You are given : 121970799987802920 (for all integers with at most 10 digits and containing exactly one '1', two '2' and three '3')

[My timing: 15 sec]



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