weixin_39145266的博客

1 题目Given a collection of intervals, merge all overlapping intervals.Example 1:Input: [[1,3],[2,6],[8,10],[15,18]]Output: [[1,6],[8,10],[15,18]]Explanation: Since intervals [1,3] and [2,6] ov...

1 题目Given an array withnobjects colored red, white or blue, sort themin-placeso that objects of the same color are adjacent, with the colors in the order red, white and blue.Here, we will use ...

1 题目Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index.According to thedefinition of h-index on Wikipedia:...

1 题目Sort a linked list using insertion sort.A graphical example of insertion sort. The partial sorted list (black) initially contains only the first element in the list.With each iteration on...

1 题目Sort a linked list in O(n log n) time using constant space complexity.Example 1:Input: 4->2->1->3Output: 1->2->3->4Example 2:Input: -1->5->3->4->0Output: ...

1 题目Given a list of non negative integers, arrange them such that they form the largest number.Example 1:Input: [10,2]Output: "210"Example 2:Input: [3,30,34,5,9]Output: "9534330"Note: T...

1 题目Given an unsorted arraynums, reorder it such thatnums[0] < nums[1] > nums[2] < nums[3]....Example 1:Input: nums = [1, 5, 1, 1, 6, 4]Output: One possible answer is [1, 4, 1, 5, 1...