LeetCode421. Maximum XOR of Two Numbers in an Array
這道題的題目很好理解，就是給你一個非空數組，求出數組中任意兩個數異或后能得到的最大值。原題鏈接：LeetCode421 。根據題目下面的tag的提示，本題的解題思路是Trie樹的利用和整數的位操作。 這里Trie樹建立的思路是，整數在存儲時是一個占據32bit的數，因此可以看成一個含32 ...
原文：[LeetCode] 421. Maximum XOR of Two Numbers in an Array 數組中異或值最大的兩個數字
Given anon emptyarray of numbers, a , a , a , , an , where ai lt . Find the maximum result of aiXOR aj, where i,j lt n. Could you do this in O n runtime Example: 這道題是一道典型的位操作 Bit Manipulation 的題目，我開始 ...
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