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Articles by Way2Class
Page 15 of 17
Count of Numbers Between L and R that are Coprime with P in CPP
In the field of computer programming, finding the count of numbers between a given range that are coprime with a specific number can be a common task. Coprime numbers, also known as relatively prime numbers, are those that have no common factors other than 1. In this piece, we shall delve into finding the coprime numbers count between two given integers, L and R when referring to a particular number P, through the aid of C++ language. Syntax We'll commence by outlining the syntax of the approach we will be utilizing in the succeeding code examples − int countCoprimes(int ...
Read MoreMinimum Moves to Make a String Palindrome by Incrementing All Characters of Substrings
In the realm of computer science and programming, discovering effective algorithms for resolving issues is highly significant. An intriguing issue is identifying the smallest possible quantity of maneuvers necessary to convert a string into a palindrome by increasing all characters within substrings. This write-up delves into two methodologies to handle this concern utilizing the C++ programming language. Syntax Before diving into the approaches, let's define the syntax of the function we will be using − int minMovesToMakePalindrome(string str); Algorithm Our objective is to minimize move count in converting strings into palindromes—a problem which our algorithm approaches with these ...
Read MoreGreedy Best-First Search Algorithm in C++
Good problem-solving in computer science heavily relies on efficient algorithms like the Greedy-Best First Search (GBFS). GBFS has already established credibility as an optimal solution method for pathfinding or optimization issues. Therefore, we're discussing GBFS thoroughly in this article while exploring its implementation approach using C++. Syntax void greedyBestFirstSearch(Graph graph, Node startNode, Node goalNode); Algorithm The Greedy Best-First Search algorithm aims to find the path from a given start node to a goal node in a graph. Here are the general steps of the algorithm − Initialize an empty priority queue. Enqueue the start node into the priority ...
Read MoreCheck if the Maximum Sum of Visible Faces of N Dice is at Least X or Not
Efficiency and accuracy are often essential when solving complex problems in programming. One particular challenge involves appropriately identifying whether the maximum sum of N dice visible faces equals or surpasses X. In this piece, we evaluate various methods of tackling this difficulty in C++ coding, complete with syntax explanations and step-by-step algorithms. Furthermore, we will provide two real, full executable code examples based on the approaches mentioned. By the end, you will have a clear understanding of how to check if the maximum sum of visible faces of N dice is at least X in C++. Syntax Before diving into ...
Read MoreComparison between Tarjan’s and Kosaraju’s Algorithm
Tarjan’s algorithm is to locate strongly linked components in a directed graph, Robert Tarjan created the graph traversal technique known as Tarjan's algorithm in 1972. Without going over previously processed nodes, it effectively locates and handles each highly related component using a depth-first search strategy and a stack data structure. The algorithm is often employed in computer science and graph theory and has several uses, including algorithm creation, network analysis, and data mining. Kosaraju’s algorithm consists of two passes over the graph. In the first pass, the graph is traversed in reverse order and a "finish time" is assigned ...
Read MoreLongest substring having K distinct vowels
In this article, we will explore the problem of finding the longest substring in a given string that contains K distinct vowels. The problem can be solved using different algorithms in C++. This problem is commonly encountered in the field of computer science, particularly in text processing and natural language processing tasks. It tests one's ability to manipulate strings and handle edge cases. Syntax In the realm of C++, the class std::string epitomizes a string datatype. This versatile entity enables storage and manipulation of character sequences. The template class std::vector embodies a dynamic array, granting the ability to resize arrays ...
Read MoreReverse String according to the number of words
String manipulation is an essential skill in programming, as it helps us process and analyze text data efficiently. C++ provides a rich set of string manipulation functions and objects, making it easier to work with text data. In this article, we will discuss how to reverse a string according to the number of words in C++. Approaches Approach 1 − Using stringstreams and vectors Approach 2 − Using substrings and string manipulation functions Syntax String object in C++: The std::string class is a part of the C++ Standard Library and provides various string manipulation functions. String manipulation functions: ...
Read MoreReplace every character of string by character whose ASCII value is K times more than it
In the realm of C++ programming, it is possible to replace every character of a specified string with a symbol whose ASCII value is elevated by a factor of K compared to the original character. This can be accomplished through the implementation of a straightforward algorithmic technique. This piece delves into the syntax, the algorithm, and two distinct methods to address the problem, complete with code illustrations in C++. Syntax To substitute every character in a string with a character whose ASCII value is multiplied by K, the syntax is as follows − string replace(string str, int K); Here, ...
Read MoreImplement Multi Stack (K stacks) using only one Data Structure
A dynamic multi-stack is a remarkable data structure that possesses the capacity to store elements in numerous stacks, with an ever-changing quantity of stacks. It can be a daunting task to implement K stacks utilizing only one data structure. In this instructional guide, we shall investigate two distinct techniques to execute dynamic multi-stack (K stacks) using C++. The initial technique employs an array to stock the elements, along with two additional arrays to monitor the topmost and following indices of the stacks. The secondary technique employs a vector of nodes to stock the elements, along with a vector to keep ...
Read MoreLength of Longest Increasing Subsequences (LIS) using Segment Tree
Segment Tree is a versatile data structure designed for answering range queries and performing updates on arrays in logarithmic time complexity, where each node stores information related to a specific range of elements in the array. In the context of the Longest Increasing Subsequence (LIS) problem, which requires determining the length of the longest subsequence of a given sequence in which the elements are sorted in increasing order, Segment Trees can be utilized to efficiently compute the Length of Longest Increasing Subsequences in an array. This approach significantly reduces the time complexity compared to traditional methods and has ...
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