Related Topics Data Structure Question 93 What is an array? Answer An array is a data structure in programming that allows us to store a collection of elements of the same data type under a single variable name. The elements in an array are stored in contiguous memory locations, and each element can be accessed […]
Related Topics Data Structure Question 84 How to split a string in Python using a specific delimiter? Answer In Python, you can split a string into a list of substrings using the split() method. You can specify the delimiter that you want to use for the split as an argument to the split() method. Here’s
Related Topics Data Structure Question 74 How to delete from a string builder in C? Answer In C, there is no built-in string builder type, but you can implement a dynamic string builder using dynamic memory allocation and pointers. Here is an example : #include <stdio.h> #include <stdlib.h> #include <string.h> typedef struct { char *data;
Related Topics Data Structure Question 67 How to find the index of a specific character or substring in a string in C? Answer In C, the standard library provides several functions to find the index of a specific character or substring in a string: strchr: This function finds the first occurrence of a character in
Related Topics Data Structure Question 56 How to declare and initialize a string buffer in Java? Answer In Java, a StringBuffer is a mutable sequence of characters. It can be declared and initialized using the following code: StringBuffer sb = new StringBuffer(); You can also initialize a StringBuffer with a string as shown below: String
Related Topics Data Structure Question 44 What is a string in programming? Answer In programming, a string is a sequence of characters. It can be composed of letters, numbers, symbols, or any combination of those, and it is typically used to represent text or other data that consists of a sequence of characters. In many
Related Topics Data Structure Question 38 What is a Bellman-Ford algorithm and how is it used to find the shortest path in a graph? Answer The Bellman-Ford algorithm is an algorithm used to find the shortest path in a graph, including graphs with negative edge weights (whereas Dijkstra’s algorithm only works on graphs with non-negative
Related Topics Data Structure Question 31 What is a Dijkstra’s algorithm and how is it used to find the shortest path in a graph? Answer Dijkstra’s algorithm is a well-known algorithm for finding the shortest path in a graph from a source vertex to all other vertices. It is a greedy algorithm that works by
Related Topics Data Structure Question 26 What is a union-find data structure and how is it implemented? Answer A union-find data structure, also known as a disjoint-set data structure, is a data structure that keeps track of a collection of disjoint sets and supports operations for merging two sets and checking whether two elements belong
Related Topics Data Structure Question 21 What is a red-black tree and how is it implemented? Answer A red-black tree is a self-balancing binary search tree where each node has a color attribute that is either red or black. It is designed to guarantee that no path from the root to a leaf node is
