[2,3], the median is(2 + 3) / 2 = 2.5 Design a data structure that supports the following two operations: void addNum(int num) - Add a integer number from the data stream to the data structure. double findMedian() - Return the median of all elements so far. For example: add(1...
[2,3,4], the median is3 [2,3], the median is(2 + 3) / 2 = 2.5 Design a data structure that supports the following two operations: void addNum(int num) - Add a integer number from the data stream to the data structure. double findMedian() - Return the median of all elements...
Design a data structure that supports the following two operations: void addNum(int num) - Add a integer number from the data stream to the data structure. double findMedian() - Return the median of all elements so far. Example: addNum(1) addNum(2) findMedian() -> 1.5 addNum(3) f...
leetcode 501. Find Mode in Binary Search Tree Given a binary search tree (BST) with duplicates, find all themode(s)(the most frequently occurred element) in the given BST. Assume a BST is defined as follows: The left subtree of a node contains only nodes with keysless than or equal t...
0230-kth-smallest-element-in-a-bst.py 0235-lowest-common-ancestor-of-a-binary-search-tree.py 0238-product-of-array-except-self.py 0239-sliding-window-maximum.py 0242-valid-anagram.py 0253-meeting-rooms.py 0261-graph-valid-tree.py 0268-missing-number.py 0269-alien-d...
Demonstrate all the questions on LeetCode in the form of animation.(用动画的形式呈现解LeetCode题目的思路) - fanfind/LeetCodeAnimation
如果leftNum < k,我们只需要从右子树中找第k - leftNum - 1个数。 代码的话,我们首先定义一个二分查找树。和普通的二分查找树不同的地方在于,节点多了一个成员变量,记录以当前节点为根节点的二叉树的总节点数量。 此外实现了find函数,来返回有序情况下第k个节点的值。 classBST{...
leetcode two heap use two heap is quite straight forward. importjava.util.Comparator;importjava.util.PriorityQueue;publicclassMedianFinder{PriorityQueue<Integer>left;PriorityQueue<Integer>right;MedianFinder(){left=newPriorityQueue<>(10,newComparator<Integer>(){@Overridepublicintcompare(Integero1,Integero2)...
0230-kth-smallest-element-in-a-bst.rs 0235-lowest-common-ancestor-of-a-binary-search-tree.rs 0238-product-of-array-except-self.rs 0239-sliding-window-maximum.rs 0242-valid-anagram.rs 0253-meeting-rooms-ii.rs 0263-ugly-number.rs 0268-missing-number.rs 0271-encode-and-decode-strings.rs 0283...