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2048 SetViewingPerspective Quiz
This quiz is not required for a grade. The points on this quiz are not worth anything.
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Suppose we have the board below.
Starting Board
The correct board after pressing left should be:
The code below (with some blanks not filled out) will result in the correct board. In the following questions you'll fill in these blanks.
What goes in blank A?
0 points
Side.NORTH
Side.WEST
Side.EAST
Side.SOUTH
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After the call from above, what column will the 2 tiles appear to be in from the new viewing perspective?
0 points
0
1
2
3
None of the above, the items won't all be in the same column from the new perspective.
Clear selection
Recommendation: Before continuing, draw the board as it appears from the Side.WEST perspective (2s all in the rightmost column). For convenience, we repeat the code block below:
What goes in B, D, F, H, J, L?
0 points
0
1
2
3
The values vary between each of these blanks.
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After filling in A, B, D, F, H, J, L, we have:
And the board from the WEST perspective looks like:
What goes in C?
0 points
3
2
1
0
Clear selection
What goes in E?
0 points
3
2
1
0
Clear selection
What goes in G?
0 points
3
2
1
0
Clear selection
What goes in I?
0 points
3
2
1
0
Clear selection
What goes in K?
0 points
3
2
1
0
Clear selection
What goes in M?
0 points
3
2
1
0
Clear selection
What goes in N?
0 points
Side.NORTH
Side.WEST
Side.EAST
Side.SOUTH
Clear selection
Note that our solution above did not take into account points, nor did it call setChanged() or return true. A full hard-coded solution to the board for this problem is given below. The code below only works for the exact board state given in this Google quiz.
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