Most of the questions and solutions of the sword finger Offer are the crystallization of the leaders in the solution area. They are only used for personal learning
Positive sequence Edition
03 duplicate number in array
Title: find duplicate numbers in the array.
All numbers in an array num of length n are in the ra ...
Posted by alecapone on Sat, 22 Jan 2022 08:40:18 +0100
OI linear algebra - matrix
This chapter only discusses linear algebra in OI. For too advanced knowledge of linear algebra, please refer to other textbooks.
Matrix and vector
Matrix is a mathematical concept, which corresponds to a two-dimensional array in a computer. For example:
Posted by jamfrag on Sat, 22 Jan 2022 05:48:41 +0100
Northwest University of technology NOJ-Python programming problem set: Noj Python Programming: Season 1: season 1-easy (1-10) Noj Python Programming: Season 2: Season 2 snippet (11-20) Noj Python Programming: Season 3: season 3-loop (21-30) NOJ-Python programming: Season 4: enumeration algorithm (31-40) NOJ-Python programming: Season 5: modular ...
Posted by ypkumar on Sat, 22 Jan 2022 05:21:27 +0100
A. Little H's kitten
meaning of the title
Take the x-axis and y-axis as the wall, the origin as the corner, and the kitten is in the corner. Give several points to find out whether the kitten can be surrounded in the corner with the fence around the point, and find the shortest total length of the fence
1. A sim ...
Posted by coja1 on Sat, 22 Jan 2022 04:52:09 +0100
0 demand analysis
1 data preparation
2 data analysis
0 demand analysis
The data is the anchor ID,stt represents the start time and edt represents the next time.
idsttedt10012021-06-14 12:12:122021-06-14 18:12:1210032021-06-14 13:12:122021-06-14 16:12:1210042021-06-14 13:15:122021-06-14 20:12:1210022021-06-14 15:12:12 ...
In this chapter, you will learn
Nonlocal mean denoising algorithm for removing noise in imageLearn different functions
In the previous chapters, we have seen many image smoothing techniques, such ...
Posted by ICKelly on Sat, 22 Jan 2022 02:59:50 +0100
Measuring the quality of an algorithm depends on the efficiency of the algorithm, and the efficiency of the algorithm is measured by two dimensions of time and space, namely time complexity and space complexity. Time complexity mainly measures the speed of an algorithm, and space complexity measures the additional spac ...
Posted by hayw0027 on Fri, 21 Jan 2022 23:33:27 +0100