The Lovers

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  • untra 10 years ago + 3 comments

    Why does the test case 10 5 correspond to output 6? By my understanding, then there are 10 houses and 5 lovers to visit.

    X0X0X0X0X0 0X0X0X0X0X

    Shouldn't there only be two possibilities, given the order that he visits the houses doesn't matter?

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    • PRASHANTB1984 10 years ago + 0 comments

      Hint: X00X0X0X0X

      (assuming X represent a visited house)

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      • smaddula 10 years ago + 0 comments

        There are other cases like X00X0X0X0X

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        • Murgatroyd 10 years ago + 0 comments

          X0X0X0X00X X0X0X00X0X X0X00X0X0X X00X0X0X0X

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