troubleshooting Question

Store Array of x,y coordinate elements

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XPUSR asked on
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I have a function that takes an x an y coordinate as parameters

void storecoords(float x, floaty)
float Array[][2];

I need to store a number of x,y coordinates in an array such that:

Array [x1 ][x2][x3][x4][x5] ...
         [y1 ][y2][y3][y4][y5] ...

As the x y coordinates are recieved by the function I need to
1) check if the coordinates are in the array.
2) if if the coordinates are do nothing.
3) if the coordinates are not in the array: add the coordinates to the array.

n.b the array must be able to grow dynamically as more and more coordinates are added?

Any suggestions appreciated?

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