Programmer Group

1316 Cultural Journey 2012 NOIP National League Popularization Group Time limit: 1 s Space constraints: 128000 KB Topic Rank: Gold Gold         Topic Description There is a messenger who travels all over the world. Every time he goes to a country, he can learn a culture, but he is unwilling to ...

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Topic Description For example, if you know a sequence, you need to do the following two operations: 1. Add x to each number of an interval 2. Find the sum of every number in an interval Input and output format Input format:The first row contains two integers, N and M, representing the number of digits in the sequence and the total number ...

Brief introduction to process feature extraction of training set pictures Aggregate these feature s into n classes. Each of these n categories is equivalent to a "word" of a picture, and all n categories form a "vocabulary". If the training set is large, the value should be increased. To construct bag of words for pictures ...

brief introduction VINS-Mono It's an open source VIO of Hong Kong University of Science and Technology. I tested it simply and found it works well. Make a simple note, and wait for me to finish the details. The code is mainly divided into the front-end (feature tracker), the back-end (sliding window, loop closure), and the initialization (visu ...

Title Description Xiao T, a quality supervisor, recently checked the quality of a batch of minerals.There are n minerals in this batch, numbered one by one from 1 to n, each of which has its own weight wi and value vi.The process for inspecting minerals is: 1. Given m intervals [Li,Ri]; 2. Select a parameter W; 3. For an interval [Li,Ri], t ...

The configuration/release of STL memory space and the construction/destruction of object content are done separately.   Construction and Destruction of Objects The construction of the object is done by the construct function, which calls the locate new operator internally to construct the object in the specified memory location.The following ...

Title Description Ink has bought a set of N color brushes (some of which may be the same color) in a row and you need to answer the ink question.Ink will issue the following instructions as you do: 1. The Q L R representative asks you how many different colors you have from the L brush to the R brush. 2. R P Col replaces the P-th brush with ...

I'm ashamed that I haven't studied well for half a year. Six months ago, I thought about how I would do if I were asked to make a game chat module. Although I have some ideas, I just want to think about it. Now, use your spare time to achieve it. Affected by the work, I also want to define all defines and referenced header files in one file: ...

The so-called "pit entry" is just an excuse for one's lack of proficiency.Now I have been studying OSG for three weeks. I just do some simple demo s with books and videos. Sometimes I feel like I can't get started.I don't know if I am a career change. Before I studied point cloud data processing, I had a little opengl foundation. Alth ...