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Power of Two
Power of TwoGiven an integer, write a function to determine if it is a power of two. 提示 解題應用 Math 規律觀查 BitManipulation AND Default:123func isPowerOfTwo(n int) bool { } 解答思路:一
記錄: 2017/2
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Invert Binary Tree
Invert Binary TreeInvert a binary tree. 12345 4 / \ 2 7 / \ / \1 3 6 9 to 12345 4 / \ 7 2 / \ / \9 6 3 1 提示 解題應用 Tree 樹的遍歷方式 Default:1234567891011/** *