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Algorithm training - > dynamic programming Title Description Obuchi and Xiaoxuan are good friends and classmates. They always have endless topics together. In a quality development activity, the students in the class arranged to make a matrix of M rows and N columns, while Obuchi and Xiaoxuan were arranged at both ends of the diagonal ...

preface Blue Bridge Cup 2020 provincial competition, programming problem (C + +) 1, Title Description During the Spring Festival in 2020, a special date has attracted everyone's attention: February 2, 2020. Because if this date is written in the format of "yyyymmdd", it is 20200202, which is exactly a palindrome number. We ...

[Title Description] Counting game is a popular leisure game. Everyone participating in the game should take turns to report the number in a certain order, but if the number of the next report is a multiple of 7, or the decimal representation contains the number 7, you must skip this number, otherwise you will lose the game. On a sunny aft ...

1. Creation and initialization of one-dimensional array 1.1 creation of array An array is a collection of elements of the same type. How to create an array: type_t   arr_name   [const_n]; //type_t is the element type of the index group //const_n is a constant expression that specifies the size of the array Instance of array ...

Day 24 1725 number of rectangles that can form the largest square Give you an array of rectangles, where rectangles[i] = [li, wi] indicates that the length of the ith rectangle is li and the width is wi. If k satisfies both k < = Li and k < = wi, the i-th rectangle can be cut into a square with side length k. For example, a rectangle [ ...

Essence of dichotomy: there are boundary points that conform to a certain property, which are used to find the boundary of sub interval that conforms to a certain property in a certain interval, or the boundary that does not conform to this property (integer dichotomy, boundary disjoint) Data with monotonicity can be dichotomized, and data wit ...

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Previous: Xiao Tang began to brush the real title of the 2014 fifth C / C + + group B Blue Bridge Cup Next: in the liver, in the liver preface Winter vacation must kill them!!! 1, Gauss diary Title Description: The great mathematician Gauss has a good habit: keep a diary anyway. There is a difference in his diary. He never indicates t ...

  Basic principle of 3D reconstruction of multi view geometry: Observing the same scene from two or more viewpoints has obtained multiple perceptual images of the scene from multiple different perspectives. The position deviation between image pixels is calculated by using the basic principle of triangulation to obtain the three-dimensio ...

Sorting algorithm Sorting algorithm (English: Sorting algorithm) is an algorithm that can arrange a string of data in a specific order. Stability of sorting algorithm Stability: the stable sorting algorithm will maintain the relative order of records with equal key values. That is, if -- sorting algorithm is stable, when there are two reco ...