Arrays

6.4k+ posts

Similar Topics

DSA

20.8k+ articles

Mathematical

7.6k+ articles

Greedy

2k+ articles

Sorting

1.7k+ articles

Searching

1.6k+ articles

Competitive Programming

1.4k+ articles

Dynamic Programming

1.4k+ articles

Hash

1.2k+ articles

subarray

660+ articles

array-rearrange

460+ articles

Array of Strings in C++ - 5 Different Ways to Create

Last Updated: 11 March 2023

In C++, a string is usually just an array of (or a reference/points to) characters that ends with the NULL character '\0'. A string is a 1-dimensional array of characters ...read more

Linear Search Algorithm - Data Structure and Algorithms Tutorials

Last Updated: 02 June 2023

Linear Search is defined as a sequential search algorithm that starts at one end and goes through each element of a list until the desired element is found, otherwise the ...read more

K’th Smallest/Largest Element in Unsorted Array

Last Updated: 29 October 2023

Given an array arr[] of size N and a number K, where K is smaller than the size of the array. Find the K'th smallest element in the given array. Given that all array eleme ...read more

Last Updated: 25 October 2023

Given a set of non-negative integers and a value sum, the task is to check if there is a subset of the given set whose sum is equal to the given sum.Examples:Input: set[] ...read more

Last Updated: 10 July 2023

Array: Arrays store elements in contiguous memory locations, resulting in easily calculable addresses for the elements stored and this allows faster access to an element a...read more

Arrays

Linked List

DSA

Maximum and minimum of an array using minimum number of comparisons

Last Updated: 06 October 2023

Given an array of size N. The task is to find the maximum and the minimum element of the array using the minimum number of comparisons.Examples:Input: arr[] = {3, 5, 4, 1, ...read more

Inversion count in Array using Merge Sort

Last Updated: 28 July 2023

Inversion Count for an array indicates - how far (or close) the array is from being sorted. If the array is already sorted, then the inversion count is 0, but if the array...read more

Program for array left rotation by d positions.

Last Updated: 06 October 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

Write a program to reverse an array or string

Last Updated: 06 October 2023

Given an array (or string), the task is to reverse the array/string.Examples :Input : arr[] = {1, 2, 3}Output : arr[] = {3, 2, 1}Input : arr[] = {4, 5, 1, 2}Output : arr...read more

Find the Missing Number

Last Updated: 20 October 2023

Given an array arr[] of size N-1 with integers in the range of [1, N], the task is to find the missing number from the first N integers.Note: There are no duplicates in th ...read more

limited-range-elements

DSA

Largest Sum Contiguous Subarray (Kadane's Algorithm)

Last Updated: 30 October 2023

Given an array arr[] of size N. The task is to find the sum of the contiguous subarray within a arr[] with the largest sum.Recommended PracticeSave Your LifeTry It!The ide...read more

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

1 2 3 4 5 6 7 8 >>

1 2 3 4 5 6 >>

1 2 3 4 >>