Array Data Structure

What is Array?

An array is a collection of variables of the same data type that are stored in adjacent memory regions.

Practice Coding Question

 Searching and Sorting

1. Alternative Sorting in C++
2. Sort a Nearly Sorted Array (K Sorted Array) in C++
3. Sort an array according to the absolute difference of the given value in C++
4. Sort an array in the waveform in C++
5. Sort an array that contains 1 to N elements in C++
6. Sort an array that contains only 0's and 1's in C++
7. Sort elements by frequency in C++
8. Sort an Array of 0s, 1s and 2s in C++
9. The intersection of Two-Sorted Arrays in C++
10. Union of Two Unsorted Arrays in C++
11. Shortest Un-ordered Subarray in C++
12. Two elements whose sum is closest to zero
13. Print all distinct elements of a given integer array in C++
14. Product of maximum in the first array and minimum in the second in C++
15. Find the minimum length unsorted subarray, sorting which makes the complete array sorted in C++
16. Insert in a sorted array using Binary search in C++
17. Delete in a sorted array using Binary search in C++
18. Find the smallest missing number in C++

Array Rotation

1. Program for array rotation in C++
2. Reversal Algorithm of Array Rotation in C++
3. Program to Cyclically Rotate an Array by One in C++
4. Search an element in a sorted and rotated array in C++
5. Given a sorted and rotated array, find if there is a pair with a given sum in C++
6. Find the rotation count in the rotated sorted array in C++
7. Find the minimum element in a sorted and rotated array in C++
8. Reversal algorithm for right rotation of an array in C++

Arrangement Rearrangement

1. Write a program to reverse an array in C++
2. Move all zeroes to the end of the array in C++