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Programming Articles
Page 1161 of 2547
How to find the maximum value in an R data frame?
The maximum value is a part of summary statistics and we always need to understand the end limits of our data; therefore, it is highly required. If we have a data frame that contains numerical columns then the maximum value can be found by using max function and the data frame object name.Example1y1
Read MoreCircle Sort in C++
Circle Sort is an interesting sorting algorithm to sort a given array of elements. The algorithm compares the elements of the array diametrically and once the elements in one part is sorted, then continuously sort the other end of the array diametrically.ExampleLet us visualize the circle sort for an array. Let us suppose we have an array with 6 elements.Input:N = 6arr [ ] = { 2, 1, 5, 8, 7, 9 }When we draw concentric circles for each array element, then it will appear as followsOutput:1 2 5 7 8 9Explanation: After sorting the elements in the array using Circle ...
Read MoreDouble the first element and move zero to end in C++ Program
In this tutorial, we are going to write a program that doubles the first element and moves all the zeroes to the end of the given array.We have to double a number when there are tow the same elements in adjacent indices. After that, we have to add a zero to the array.Move all the zeroes in the array to the end.ExampleLet's see the code.#include using namespace std; void moveZeroesToEnd(int arr[], int n) { int count = 0; for (int i = 0; i < n; i++) { if (arr[i] != 0) { ...
Read MoreHow to change the font size of main title of boxplot in base R?
The font size of the main title of boxplot can be changed by defining the font size value using par(cex.main=”size”), here size value can be changed based on our requirement. This needs to be done before creating the boxplot, otherwise, there will be no effect on the size of the main title.Examplex
Read MoreHow to access the table values in R?
Sometimes we want to extract table values, especially in cases when we have a big table. This helps us to understand the frequency for a particular item in the table. To access the table values, we can use single square brackets. For example, if we have a table called TABLE then the first element of the table can accessed by using TABLE[1].Example1x1
Read MoreCopy list with random Pointer in C++
A Linked List is a linear data structure in which each node is having two blocks such that one block contains the value or data of the node and the other block contains the address of the next field.Let us assume that we have a linked list such that each node contains a random pointer which is pointing to other nodes in the list. The task is to construct the list with the same as the original list. Copying the list from the original list which is having some random pointer is called a 'Deep Copy' of the linked list.For ...
Read MoreDouble Tree with examples in C++ Program
In this tutorial, we are going to learn how to double the given tree.Let's see the steps to solve the problem.Create node class.Initialize the tree with dummy data.Write a recursive function to double the tree.Recursively traverse through the tree.Store the left node in a variable.After traversing add the data by creating a new node.Now, add the left node to the newly created node as a left child.Print the tree.ExampleLet's see the code.#include using namespace std; class node { public: int data; node* left; node* right; }; node* newNode(int data) { node* Node = new ...
Read MoreHow to find the unique combinations of a string vector elements with a fixed size in R?
A unique combination of vector elements can be found by using combn function with unique function and size argument will help us to identify the size of each of combination. For example, if we have a vector containing string values defined as x then the unique combinations of vector elements of size 2 can be created by using combn(unique(x),2).Example1x1
Read MoreDaily Temperatures in C++
Let us suppose we have an array of positive temperatures which represent the temperatures T. The task is to calculate how many days are there for the next warmer temperature in the given list.For exampleInput-1: T = [ 73, 74, 75, 71, 69, 72, 76, 73]Output: [1, 1, 4, 2, 1 ,1 ,0 ,0]Explanation: In the given list of temperatures [73, 74, 75, 71, 69, 72, 76, 73], the next greater temperature is at Day 1. Similarly, Day 6 is the warmest in all the temperatures, thus the output will be [ 1, 1, 4, 2, 1, 1, 0, 0].Approach to Solve this ...
Read MoreCreate a linked list from two linked lists by choosing max element at each position in C++ Program
In this tutorial, we are going to write a program that creates a new linked list from the given linked lists.We have given two linked lists of the same size and we have to create a new linked list from the two linked lists with the max numbers from the two linked lists.Let's see the steps to solve the problem.Write a struct node.Create two linked lists of the same size.Iterate over the linked list.Find the max number from the two linked lists nodes.Create a new node with the max number.Add the new node to the new linked list.Print the new ...
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