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89860 篇文章 33 次评论PROGRAMMING:Building block competition
Chunchun kindergarten held the annual "building block competition".The content of this year's competition is to build a…
PROGRAMMING:Simple addition
This problem requires reading in two positive integers a and B, and then just output their sum. The only difference is t…
PROGRAMMING:Define a time class
Define a time class time, which can provide and set the time composed of hours, minutes and seconds, and write the appli…
PROGRAMMING:Looking for saddle point
This problem requires to find out the saddle point in the matrix of 3 rows and 4 columns, that is, the element in this p…
PROGRAMMING:Total permutation with repeating elements
Calculate how many permutations there are for a given number of N, i.e. complete permutation (repeated elements may appe…
PROGRAMMING:Lexicographic order of permutations
N elements {1, 2,..., n} have n! There are two different arrangements. Put this n! They are arranged in dictionary order…
PROGRAMMING:Image filtering
This question comes from the pat (basic level) practice.Image filtering is to dye the unimportant pixels in the image in…
PROGRAMMING:Half set
Given a natural number n, starting from n, we can generate a half set in turn. The numbers in set (n) are as follows (no…
PROGRAMMING:Set partition
When n = 4, the set {1,2,3,4} can be divided into 15 different nonempty subsets as follows:```{{1}，{2}，{3}，{4}}，{{1，2}，{…
PROGRAMMING:drainage system
For a city, the drainage system is an extremely important part.One day, little c got the design drawing of a city's drai…