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i need help RRS feed

  • Question

  • Armenian schoolchildren have created a robot that moves along the top of the rectangular network of nxm sizes. At the same time it can move,

    right
    top
    up-right
       Your task is to find the number of possible roads that will reach the point (n, m) of the robot (0,0).

    Input Details:

       The n and m are the natural numbers

    Exit data

       The number of roads that should not exceed 10^18 should be deducted.

    Examples.
    Friday, April 6, 2018 9:35 AM

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