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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 ... Read More
To sort a large number of csv files in ascending order, we can use mixedsort function from gtools package. For example, if we have a list of csv files that are randomly arranged in a vector called FILES then the files can be sorted in ascending order using the command mixedsort(sort(FILES))ExampleFiles1
Given a string 'a' and a character 'char', the task is to print the distance of 'char' from each character of the given string. The size of the distance array is same as the size of the string, since we have to find the distance of the character from each character of the given string.For ExampleInput-1:a = “tutorialspoint”char = “o”Output: [ 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 0, 1, 2, 3]Explanation: In the given string, the distance of the character from each character of the given string is [3, 2, 1, 0, 1, 2, 3, 4, 5, 6, ... Read More
In this tutorial, we are going to write a program that creates a new string by alternately combining the characters of the two halves of the string in reverse order.Let's see the steps to solve the problem.Initialize the string.Find the length of the string.Store the first half and second half string indexes.Iterate from the ending of the two halves of the string.Add each character to the new string.Print the new string.ExampleLet's see the code.#include using namespace std; void getANewString(string str) { int str_length = str.length(); int first_half_index = str_length / 2, second_half_index = str_length; string new_string ... Read More
If a sequence is increasing by 1 that means for every value the total number of values increases by that much. For example, the values 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 are creating a sequence of values starting from 1 to 5. To create such type of sequences in R, we can simply use sequence function and pass the range as sequence(1:5).Examplex1
Let us suppose we have a Binary Tree having a root node and its left child and right child. The task is to find the total sum of leaf nodes of the tree which are left to its parent node.For ExampleInput-1: Output:15Explanation: In the given input Binary Tree, the sum of all the left leaf nodes is 9+4+2 = 15. So, the output is 15.Approach to Solve this ProblemWe have a Binary Tree and the task is to find the sum of all the leaf nodes which are left to its parent.The recursive approach to solve this problem is to ... Read More
Most European countries use a comma in place of a decimal. Therefore, if we have a data set that contains dot as a decimal market and we need to use that four such European countries or if dot is recorded in place of comma then we can replace the dot with comma using format function as shown in the below examples.Example1x2
When we have a Euro currency column in an R data frame as a response variable then we might to display the Euro sign in the plot created by using ggplot2 package. For this purpose, we can use scales package and the scale for Y axis will be changed by using the command scale_y_continuous(labels=dollar_format(suffix="€",prefix="")) to the plot command.Consider the below data frame −Examplex
A Linked List is a linear data structure in which each node has 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 the other nodes in the list. The task is to find the node at which two linked lists intersect each other. If they don't intersect, then return NULL or empty as output.For ExampleInput-1: Output:2Explanation: Since the given linked ... Read More
The extraction of column names that do not have missing values can be done with the help of colnames function along with the complete.cases function. The complete.cases function will extract the columns that do not have missing values then colnames will extract those column names only.Example1Consider the below data frame −x1