# Questions tagged [algorithm]

2020欧洲杯时间表 An algorithm is a sequence of well-defined steps that defines an abstract solution to a problem. Use this tag when your issue is related to algorithm design.

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### Sorting based on order mentioned in a static map using java

How to sort a list of strings based on order mentioned in static map having item of list as key.
List={"AU","I","U", "O", "A1"}
Need to sort the above list of string using the below map which has ...

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### RSA Encryption/Decryption using JAVA

I'm doing a simple program like this :
package rsaexample;
import java.io.*;
import java.math.BigInteger;
import java.security.*;
import java.security.spec.InvalidKeySpecException;
import java....

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### How to find minimum route with 3 variables

I have a problem where given an undirected graph, to go from one node to the other, the edge has 3 variables (time to move from n1 to n2, distance from n1 to n2, cost from n1 to n2).
Now we have a ...

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### Poisson Disc Sampling Throws Index Out Of Range

here's Poisson Disc Sampling Algorithm realization that I use:
using System.Collections.Generic;
using UnityEngine;
using Random = UnityEngine.Random;
namespace Assets.Scripts.Algorithms
{
...

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### Change node values to their heights in a binary tree

My task is to change the values of nodes to their heights in a binary tree. By the condition of the task, you need to change all the values in 1 pass of the tree, but you can violate this condition ...

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### Should i learn Datastructures and algorithms in Javascript or java? [closed]

First of All, Sorry for my Bad English... I am Student of Bs Software Engineering 3rd Semester.I want to land a job in big companies like Google,Microsoft,Amazon etc.And currently I am working on ...

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### Generate pagination numbers with current item in the middle with javascript

Hello I try to generate pagination numbers from given variables:
itemsPerPage : How many elements to display per page
nbDisplayPage: How many pages display in pagination
nbItems : How many items is ...

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### How do I connect four 2D grid points with a smooth curve in C# and give the x and y location back at a certain time?

So I'm trying to connect four grid points with x and y values together with a smooth curve. Given a parameter 'time' I want to receive the x and y locations of the point on the curve at that time.
I'...

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### how to prove given set of clause unsatisfiable using resolution method {A, ¬A}, {¬A, ¬B, A ∨ B}

The goal is to implement a proof-search algorithm in propositional logic and to run
it on small examples. The algorithm is quite different from natural deduction or sequent
calculus, and it is called ...

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### Write the program solution for the following graph using data structure and c++ [closed]

Create the program for the following graph. Implement the following functions.
1. addEdge() that takes two vertices as two parameters and creates an Edge between them.
2. adjacentVertices() that ...

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### How to find rating in a 1v1 match based on the score?

So I am developing a game where there will be two players both having an initial rating.
Now, I want to calculate new rating based on their score.
For eg: if player1 scores 50(unitless) and player2 ...

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### How to approach the sorting based algorithm/ undertstanding the intuition behind the code?

I have been stuck on an algorithm problem, I need help to make progress with it. The problem statement is as follows.
Problem definition:
There are 2N people a company is planning to interview. The ...

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### Plane Sweep Algorithm - points lying outside the disks

Let D is a set of n disjoint disks and P is a set of n points. How can one design an O(n*log(n)) plane sweep algorithm that reports each point in P lying outside all disks?

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### Implementing Breath First Search in Python 3 (how to convert 'Set' to 'Dictionary'

Hi guys I am Start Learning Python. The way my Breath First Search using Dictionary Graph is wrong. I got an error and my code is
graphs = {
'a': {'b': 3, 'c': 4, 'd': 7},
'b': {'c': 1, 'f': ...

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### Is the height of a binary tree log2(n)

example tree
Lets say we have an array with the length of n=7, the height of the tree should be 2. I wouldn't count the height by the number of rows but connections between them.
(I think that ...