leetcode majority elements Given an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times. You may assume that the array is non-empty and the majority element always exist in the array. 解法: As we sweep we maintain a pa...
7 changes: 6 additions & 1 deletion 7 leetcode-x/find-majority-element/README.md Original file line numberDiff line numberDiff line change @@ -26,4 +26,9 @@ find majority element(主要元素) 来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/find-majority-element-lcci 著作权归...
A peak element is an element that is greater than its neighbors. Given an input array wherenum[i] ≠ num[i+1], find a peak element and return its index. The array may contain multiple peaks, in that case return the index to any one of the peaks is fine. You may imagine thatnum[...
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You must not modify the array (assume the array is read only). You must use only constant, O(1) extra space. Your runtime complexity should be less than O(n2). There is only one duplicate number in the array, but it could be repeated more than once. ...
LeetCode 724. Find Pivot Index 原题链接在这里:https://leetcode.com/problems/find-pivot-index/ 题目: Given an array of integersnums, write a method that returns the "pivot" index of this array. We define the pivot index as the index where the sum of the numbers to the left of the ...
0162-Find-Peak-Element 0167-Two-Sum-II-Input-array-is-sorted 0169-Majority-Element 0172-Factorial-Trailing-Zeroes/Article 0189-Rotate-Array 0200-Number-of-Islands 0201-Bitwise-And-Of-Numbers-Range/Article 0202-happy-number 0203-Remove-Linked-List-Elements 0206-Reverse-Linked-List 02...
Find Peak Element publicclassSolution {publicintfindPeakElement(int[] num) {//binary searchhttp://siddontang.gitbooks.io/leetcode-solution/content/array/find_peak_element.htmlif(num==null|| num.length ==0)return-1;if(num.length==1)return0;intleft=0, right=num.length-1;intmid=left+(...
0153-find-minimum-in-rotated-sorted-array.rs 0155-min-stack.rs 0167-two-sum-ii-input-array-is-sorted.rs 0169-majority-element.rs 0179-largest-number.rs 0190-reverse-bits.rs 0191-number-of-1-bits.rs 0198-house-robber.rs 0199-binary-tree-right-side-view.rs 0200-number-of-islands.rs 020...
DFS: 1/**2* Definition for Undirected graph.3* struct UndirectedGraphNode {4* int label;5* vector<UndirectedGraphNode *> neighbors;6* UndirectedGraphNode(int x) : label(x) {};7* };8*/9classSolution {10public:11/**12* @param nodes a array of Undirected graph node13* @return a ...