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Now that we can build the tree, let's use it to search. Finding a specific point means starting at the root and asking: which child quadrant contains this coordinate? Then you recurse into that child and ask again. Each level of the tree cuts the search space by roughly three-quarters.
On Feb. 25 at Samsung Galaxy Unpacked, the brand debuted its newest S Series smartphone: the S26. With its arrival, we expected to see some stellar markdowns on the previous generation, the S25, which has dropped as low as $899.99. Yet, there's an even better deal to shop now, and it's on the new S26.