Task number: 3490


  • Variant

    A souvenir vendor has the following figures for sale: three identical figures of Pope John Paul II, four of Juraj Jánošík and five of the Good Soldier Švejk. In how many ways can he arrange the figures into a single row in a shop window such that all the figures of the same person never form a single contiguous block?

  • Variant

    In how many ways can we arrange 5 Czechs, 4 Slovaks a 3 Poles in a single line such that all the members of a single nationality never form a contiguous block?

    Unlike in the previous variant, all the people are mutually distinguishable.

Difficulty level: Moderate task
Complex task
Cs translation
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