CHALLENGES

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  • Robot Movements

    Sponsoring Company:

    Challenge Description:

    A robot is located in the upper-left corner of a 4×4 grid. The robot can move either up, down, left, or right, but cannot go to the same location twice. The robot is trying to reach the lower-right corner of the grid. Your task is to find out the number of unique ways to reach the destination.

    Input sample:

    There is no input for this program.

    Output sample:

    Print out the number of unique ways for the robot to reach its destination. The number should be printed out as an integer ≥0.

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