How do you merge two sorted arrays into a single sorted array?

How do you merge two sorted arrays into a single sorted array?

The idea is to use Merge function of Merge sort. Create an array arr3[] of size n1 + n2. Simultaneously traverse arr1[] and arr2[]. Pick smaller of current elements in arr1[] and arr2[], copy this smaller element to next position in arr3[] and move ahead in arr3[] and the array whose element is picked.

How do you sort an array without extra space?

We are given two sorted arrays of size m and n respectively. We need to merge both the arrays without using any other Data structure or extra space, i.e. fill the smallest m elements in the first array and the remaining n elements in the second array in a sorted manner.

Is array sequential in nature?

An array is collection of similar type of elements which are stored in sequential order. In array we can store, delete or search the elements in an order one after the other.

Is merge sort worse than heap sort?

Heap Sort is better :The Heap Sort sorting algorithm uses O(1) space for the sorting operation while Merge Sort which takes O(n) space Merge Sort is better * The merge sort is slightly faster than…

When is an insertion sort preferred to a merge sort?

Insertion Sort is preferred for fewer elements. It becomes fast when data is already sorted or nearly sorted because it skips the sorted values. Efficiency: Considering average time complexity of both algorithm we can say that Merge Sort is efficient in terms of time and Insertion Sort is efficient in terms of space.

Is an array that is in a sorted order a min-heap?

Arrays either can be sorted in ascending order or in descending order. The statement “A sorted array is min-heap” is partially correct. The correct version of this statement is “An array sorted in ascending order is can be treated as min- heap” and its complementry statement is “An array sorted in descending order can be treated as max heap”.

How do I merge two arrays in Java?

Merge Two Arrays. To merge two arrays in Java programming, you have to ask to the user to enter the first array size and then ask to enter the first array elements. Ask the same for the second array. Now initialize all the elements of the first and second array to the third array say merge[ ] and at last print the value…