Given an unsorted integer array, find the first missing positive integer. For example, Given [1,2,0] return 3, and [3,4,-1,1] return 2. Your algorithm should run in O(n) time and uses constant space. 解题之法 class Solution{public:intfirstMissingPositive(intA[],intn){inti=0;while...
No_0034_Find First and Last Position of Element in Sorted Array No_0035_Search Insert Position No_0038_Count and Say No_0039_Combination Sum No_0040_Combination Sum II No_0041_First Missing Positive No_0044_Wildcard Matching No_0045_Jump Game II No_0046_Permutations...
https://github.com/grandyang/leetcode/issues/287 类似题目: First Missing Positive Missing Number Single Number Find All Numbers Disappeared in an Array Set Mismatch Array Nesting Linked List Cycle II 参考资料: https://leetcode.com/problems/find-the-duplicate-number/ https://leetcode.com/problems...
You are also given a positive integer k, and a 0-indexed array of non-negative integers nums of length n, where nums[i] represents the value of the node numbered i. Alice wants the sum of values of tree nodes to be maximum, for which Alice can perform the following operation any ...
[LeetCode 287] Find the Duplicate Number Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must exist. Assume that there is only one duplicate number, find the duplicate one. Notice You must not ...
也可以采用First Missing Positive中swap的方法,把nums[i] swap到 index = nums[i]的位置上. 第二遍扫描时如果出现了i != nums[i]时,就是nums[i]是duplicate. Time Complexity: O(nums.length). Space: O(1). AC Java: 1classSolution {2publicintfindDuplicate(int[] nums) {3for(inti = 0; i<...
Contributor:LeetCode Given an arraynumscontainingn+ 1 integers where each integer is between 1 andn(inclusive), prove that at least one duplicate number must exist. Assume that there is only one duplicate number, find the duplicate one. ...
0041-First-Missing-Positive 0042-Trapping-Rain-Water 0046-Permutations 0047-Permutations-II 0048-Rotate-Image 0049-Group-Anagrams 0050-Pow-x-n 0051-N-Queens 0052-N-Queens-II 0054-Spiral-Matrix 0056-Merge-Intervals 0059-Spiral-Matrix-II 0061-Rotate-List 0063-Unique-Paths-II 0064...
41_First Missing Positive Given an unsorted integer array, find the smallest missing positive integer. 315_Count of Smaller Numbers After Self You are given an integer array nums and you have to return a new counts array. The counts array has the property where counts[i] is the number of ...
between the first two elements of the array (i.e.arr[0]andarr[1]). In each round of the game, we comparearr[0]witharr[1], the larger integer wins and remains at position0and the smaller integer moves to the end of the array. The game ends when an integer winskconsecutive rounds...