Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue.Here, we will use the int
Given inorder and postorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.postorder 为左 右 中，所以postorder的最后一个为根，取得树根后，在inorder中可以找到左子树与右子树的元
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