The dual pointer method is used to solve the problem. A pointer to array 1. A pointer to array 2. Compare the size of the elements to which the two Pointers point, adding the smaller one to the sorted array, until one of the elements is done, adding the remaining elements to the sorted array

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Given an array of length N, it is arranged in ascending order and rotated 1 to n times to obtain the input array. For example, the original array nums = [0,1,2,4,5,6,7] might be changed to: if rotated four times, yes

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Bubble sort and insert sort # bubble sort The space complexity is O(1). 2. Stable sorting algorithm. When there are two adjacent elements of equal size, we do not swap. 3

Given an array of integers in ascending order numbers, find two numbers that add up to the target number. 2. We use two Pointers, left and right, to point to the beginning and end of the array, respectively.

Given an array of integers (nums) and an integer target value (target), find the target value (tar) in the array