[C++ code] Merge intervals, use the minimum number of arrows, divide strings, monitor binary trees, greedy algorithms – Code Thoughts

In the explanation [Greedy Algorithm: Rebuilding the Queue Based on Height, we mentioned that using vector (dynamic array in C++) to perform insert operations is time-consuming. Intuitively, the insert operation of the array is O(n), and the time complexity of the overall code is O(n^2). For ordinary arrays, once the size is defined, it cannot […]

echarts sets the colors of different vertical intervals, and the x-axis customizes the axis scale range.

Requirement: Set the vertical range interval. Different range intervals have different colors and different prompt information. Then modify the fixed spacing range of the x-axis, so that 0-200-400-600 is changed to 0-340-476-754. Here I It is implemented using markLine. Here I also use the flipping of the x-axis so that the display is mirrored. 1. […]

[Algorithm Training – Sorting Algorithm 3] [Sort Application] Merge Intervals

Without further ado, just shout a slogan to encourage yourself: Programmers will never be unemployed, programmers go to architecture! The theme of this blog is [Merge Interval], which is implemented using the basic data structure [array]. The site for this high-frequency question is: CodeTop, and the filtering condition is: Target company + Last year + […]

Bootstrap Interval Forecasting | Matlab Bootstrap Interval Forecasting provides confidence intervals for your point predictions

?About the author: A Matlab simulation developer who loves scientific research. He cultivates his mind and improves his technology simultaneously. For cooperation on MATLAB projects, please send a private message. Personal homepage: Matlab Research Studio Personal credo: Investigate things to gain knowledge. For more complete Matlab code and simulation customization content, click Intelligent optimization algorithm […]

[Python Ocean Topic 8] Cartopy adjusts the number of contourf filling intervals for drawing topographic and bathymetric maps

[Python Ocean Topic 8] Cartopy adjusts the number of contourf filling intervals for drawing topographic and bathymetric maps article Sometimes I want to make the contourf picture more detailed. At this time, it is necessary to increase the number of filling intervals Contents of this issue 1: The number of fillings in contourf changes cf […]

Bootstrap Interval Forecasting | Matlab Bootstrap Interval Forecasting provides confidence intervals for your point predictions

?About the author: A Matlab simulation developer who loves scientific research. He cultivates his mind and improves his technology simultaneously. For cooperation on MATLAB projects, please send a private message. Personal homepage: Matlab Research Studio Personal credo: Investigate things to gain knowledge. For more complete Matlab code and simulation customization content, click Intelligent optimization algorithm […]

(Nanny level) Spark meteorological monitoring data analysis – Step 2.2 Calculate the distribution of PM2.5 concentration in the five major concentration limit intervals

Table of Contents words written in front Required forward knowledge Software version used data set Code principle Part of the code Code of Task2 function (main part) Main function code run spark Guide package Import of some Spark information and schema If the spark link reports an error operation result General outline (Nanny level) Spark […]

Dynamically find the maximum value of continuous intervals and + sequence intervals (quickly master the basic properties and applications of line segment trees)

Quickly master the basic properties and applications of line segment trees Article directory Quickly master the basic properties and applications of line segment trees Preface Definition of line segment tree [Academic explanation] Understanding line segment trees [custom explanation] Binary tree Binary tree storage Segment tree Construction of line segment tree Bottom-up construction features of line […]

Insertion and deletion of integer array intervals

References to similar questions: 56. Merge Intervals – LeetCode merge interval 57. Insert interval – LeetCode 1272. Delete interval package Jerry; import org.junit.Assert; import org.junit.Test; import java.util.ArrayList; import java.util.List; // Task: Implement a class named ‘RangeList’ // A pair of integers define a range, for example: [1, 5). This range includes integers: 1, 2, 3, […]