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Program to find transpose of a matrix

Last Updated: 05 July 2023

Given a matrix of size N X M, find the transpose of the matrixTranspose of a matrix is obtained by changing rows to columns and columns to rows. In other words, transpose ...read more

Basic Coding Problems

Program for factorial of a number

Last Updated: 16 February 2023

What is the factorial of a number?Factorial of a non-negative integer is the multiplication of all positive integers smaller than or equal to n. For example factorial of 6...read more

Basic Coding Problems

Binary Search - Data Structure and Algorithm Tutorials

Last Updated: 26 July 2023

Binary Search is defined as a searching algorithm used in a sorted array by repeatedly dividing the search interval in half. The idea of binary search is to use the inform...read more

Insertion in Linked List

Last Updated: 07 June 2023

Given a Linked List, the task is to insert a new node in this given Linked List at the following positions:At the front of the linked listAfter a given node.At the end of ...read more

Count the number of possible triangles

Last Updated: 15 September 2022

Given an unsorted array of positive integers, find the number of triangles that can be formed with three different array elements as three sides of triangles. For a triang ...read more

Reverse words in a given string

Last Updated: 13 September 2023

Given a string, the task is to reverse the order of the words in the given string.Examples:Input: s = "geeks quiz practice code"Output: s = "code practice quiz geeks"Input...read more

Check for Balanced Brackets in an expression (well-formedness)

Last Updated: 04 May 2023

Given an expression string exp, write a program to examine whether the pairs and the orders of "{", "}", "(", ")", "[", "]" are correct in the given expression.Example:Inp...read more

Program for array left rotation by d positions.

Last Updated: 03 May 2023

Given an array of integers arr[] of size N and an integer, the task is to rotate the array elements to the left by d positions.Examples: Input:arr[] = {1, 2, 3, 4, 5, 6, 7...read more

Given a linked list which is sorted, how will you insert in sorted way

Last Updated: 18 May 2023

Given a sorted linked list and a value to insert, write a function to insert the value in a sorted way.Initial Linked ListLinked List after insertion of 9Recommended Pract...read more

Count set bits in an integer

Last Updated: 11 April 2023

Write an efficient program to count the number of 1s in the binary representation of an integer.Examples :Input : n = 6Output : 2Binary representation of 6 is 110 and has ...read more

Find the middle of a given linked list

Last Updated: 28 March 2023

Auxiliary Given a singly linked list, find the middle of the linked list. For example, if the given linked list is 1-2-3-4-5 then the output should be 3.If there are even ...read more

Python-Data-Structures

DSA

Check if pair with given Sum exists in Array (Two Sum)

Last Updated: 14 August 2023

Given an array A[] of n numbers and another number x, the task is to check whether or not there exist two elements in A[] whose sum is exactly x.Examples:Input: arr[] = {0 ...read more

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