287. Find the Duplicate Number containingn+1integerswhereeachintegerisbetween1andn(inclusive),provethatatleastoneduplicatenumbermustexist.Assumethatthereisonlyoneduplicatenumber,findtheduplicateone leetcode之Find the Duplicate Number 问题 问题描述:Givenanarraynumscontainingn+1integerswhereeachintegerisbetween1...
Find K Closest Elements Kth Smallest Number in Multiplication Table K-th Smallest Prime Fraction 参考资料: https://leetcode.com/problems/find-k-th-smallest-pair-distance/solution/ https://leetcode.com/problems/find-k-th-smallest-pair-distance/discuss/109077/C++-counting-sort-O(n2)-and-binary-...
参考代码 packageleetcodeimport"sort"// 解法一 快慢指针funcfindDuplicate(nums[]int)int{slow:=nums[0]fast:=nums[nums[0]]forfast!=slow{slow=nums[slow]fast=nums[nums[fast]]}walker:=0forwalker!=slow{walker=nums[walker]slow=nums[slow]}returnwalker}// 解法二 二分搜索funcfindDuplicate1(nums[]...
Title Case ToLeetSpeak Transform To Prime Two fighters one winner Two Sum up AND down "Very Even" Numbers Welcome What dominates your array? What's a Perfect Power anyway? Word a10n (abbreviation) Write Number in Expanded Form Write out numbers Your order, please Sergey SvistunovAbout...
// 预处理质因子(见 math.go 中的 primeDivisorsAll) // 枚举 a[i] 的质因子 p,用 pre[p] 记录质因子上一次出现的下标(初始化成 -1),然后 merge(i, pre[p]) if pre[p] > 0 // - [2709. 最大公约数遍历](https://leetcode.cn/problems/greatest-common-divisor-traversal/) 2172 ...
packageleetcode// 解法一 二分funcfindPeakElement(nums[]int)int{iflen(nums)==0||len(nums)==1{return0}low,high:=0,len(nums)-1forlow<=high{mid:=low+(high-low)>>1if(mid==len(nums)-1&&nums[mid-1]<nums[mid])||(mid>0&&nums[mid-1]<nums[mid]&&(mid<=len(nums)-2&&nums[mid...
findMedian() -> 1.5 addNum(3) findMedian() -> 2 用两个heap来存所有的元素,maxHeap<-小的一部分;minHeap<-大的部分 1classMedianFinder {2public:3/** initialize your data structure here.*/4MedianFinder() {56}78voidaddNum(intnum) {9//insert this number10if((maxHeap.empty())||(num...
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clean codeMap<String, Integer>wordMap=newHashMap<>();// Using try-with-resource statement for automatic resource managementtry(FileInputStreamfis=newFileInputStream(fileName);DataInputStreamdis=newDataInputStream(fis);BufferedReaderbr=newBufferedReader(newInputStreamReader(dis))) {// words are ...
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