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Of course, this is also the last experiment of data structure. It has brought us deep thinking through the previous 9 experiments. Now it should be greatly improved for programming algorithms and very good for problem solving. I think now for me, the programming ability has made a qualitative leap. Thank you for this data structure course, whic ...

What is a heap Maybe the concept is not well understood. Let's look at two pictures below. So here comes the question...? The set of data we give can't be so coincidental. It happens to be orderly. At this time, we will introduce an algorithm: the downward sorting algorithm of the heap. Make a group of numbers that are not so ...

1, SIFT introduction SIFT, scale invariant feature transformation, is a description used in the field of image processing. This description has scale invariance and can detect key points in the image. It is a local feature descriptor. 1. Features of SIFT algorithm (1) It has good stability and invariance, can adapt to the changes of rotation, ...

Find equivalent difference Knowledge summary: symmetric difference. Mathematically, the symmetric difference of two sets is A set composed of elements belonging to only one set but not the other set. For example, the symmetric difference of set let A = [1,2,3] and let B = [2,3,4] is A △ B = C = [1,4]. This operation in set theory is equiva ...

1. Title Give you an array and rotate the elements of the array K positions to the right, where k is a non-negative number. Example 1: Input: nums = [1,2,3,4,5,6,7], k = 3 Output: [5,6,7,1,2,3,4] Explanation: Rotate one step to the right: [7,1,2,3,4,5,6] Rotate 2 steps to the right: [6,7,1,2,3,4,5] Rotate 3 steps to the ri ...

1, Introduction to UAV 0 Introduction With the development of modern technology, there are more and more types of aircraft, and their applications are becoming more and more specific and perfect, such as Dajiang PS-X625 UAV specially used for plant protection, Baoji Xingyi aviation technology X8 UAV used for street view shooting and monitoring ...

Joseph Ring Joseph Ring was originally applied to the scenario of circular linked list. Because it takes time to build the circular linked list itself, we adopt a faster version of container instead #include<iostream> using namespace std; #include<vector> void JohnCircle(vector<int> arr, int m) { int count = 1; auto it = a ...

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Function of logarithm Logarithm is a way to verify whether the algorithm is correct by using a large number of test data. In the written test of the algorithm, we often can only be sure that the algorithm we write is logically roughly correct, but no one can guarantee the absolute correctness at one time. Especially for some complex problems, ...

, Introduction to stack Stack (stack) A stack is an ordered list of Filo first in last out. Stack is a special linear table that restricts the insertion and deletion of elements in a linear table to the same end of the linear table. The end that allows insertion and deletion is the changing end, which is called the top of the stack, and the ...