Quick Answer: How Do I Print An Array In Reverse Order?

How do you swap two arrays?

Write a c program for swapping of two arrays#includeint main() {int a[10],b[10],c[10],i;printf(“Enter First array->”);for (i=0;i<10;i++)scanf("%d",&a[i]);printf("\nEnter Second array->“);for (i=0;i<10;i++)More items....

How do you print an array in reverse order in Python?

6. Python program to print the elements of an array in reverse orderSTEP 1: Declare and initialize an array.STEP 2: Loop through the array in reverse order that is, the loop will start from (length of the array – 1) and end at 0 by decreasing the value of i by 1.STEP 3: Print the element arr[i] in each iteration.

How do you reverse an array recursively?

Recursive Way : Initialize start and end indexes as start = 0, end = n-1. Swap arr[start] with arr[end] Recursively call reverse for rest of the array.Sep 8, 2020

How do you reverse an array without using another array?

Steps to reverse an array without using another array in C: Set i=0 to point to the first element and j=length-1 to point to the last element of the array. Run while loop with the condition i

How do you reverse an array in CPP?

#include #include using namespace std;// Utility function to print contents of an array. void print(int arr[], int n){ for (int i = 0; i < n; i++) {cout << arr[i] << " "; }}// Utility function to reverse elements of an array. void reverse(int arr[], int n){ reverse(arr, arr + n);More items...

How do you print an array in C++?

void print(const int &i) {std::cout << i << ' ';int main()int input[] = { 1, 2, 3, 4, 5 };std::for_each(std::begin(input), std::end(input), print);return 0;

How do you sort a list?

The sort() method sorts the elements of a given list in a specific ascending or descending order. The syntax of the sort() method is: list. sort(key=…, reverse=…)

How do I reverse an array in NumPy?

Reversing a NumPy Array in PythonUsing flip() Method. The flip() method in the NumPy module reverses the order of a NumPy array and returns the NumPy array object. … Using flipud() Method. The flipud() method is yet another method in the NumPy module which flips an array up/down. … Using Simple Slicing.

How do you print an array backwards in C++?

Algorithm to reverse an arrayFirst of all take number of elements as input from user. Let it be N.Then ask user to enter N numbers and store it in an array(lets call it inputArray).Declare another array of size equal to input array.Using a for loop, copy elements from inputArray to reverseArray in reverse order.

Which is the correct method to reverse a list?

You can reverse a list in Python using the built-in reverse() or reversed() methods. These methods will reverse the list without creating a new list. Python reverse() and reversed() will reverse the elements in the original list object. Reversing a list is a common part of any programming language.

How do you reverse an element in an array in Matlab?

flipIf A is vector, then flip(A) reverses the order of the elements along the length of the vector.If A is a matrix, then flip(A) reverses the elements in each column.If A is an N-D array, then flip(A) operates on the first dimension of A in which the size value is not 1 .

How do you reverse the order of an array?

Answer: There are three methods to reverse an array in Java.Using a for loop to traverse the array and copy the elements in another array in reverse order.Using in-place reversal in which the elements are swapped to place them in reverse order.Using the reverse method of the Collections interface that works on lists.Feb 18, 2021

How do you return an array?

How to return an array in Javaimport java.util.Arrays;public class ReturnArrayExample1.{public static void main(String args[]){int[] a=numbers(); //obtain the array.for (int i = 0; i < a.length; i++) //for loop to print the array.System.out.print( a[i]+ " ");More items...

How do I reverse the order of a NumPy array?

flip() function. The flip() function is used to reverse the order of elements in an array along the given axis. The shape of the array is preserved, but the elements are reordered.

How do I print a list in reverse order?

What’s the best way to reverse the order of a list in Python?Reversing a list in-place with the list. reverse() method.Using the “ [::-1] ” list slicing trick to create a reversed copy.Creating a reverse iterator with the reversed() built-in function.

How do you reverse an array pointer?

Approach : In reverse function we take two pointers one pointing at the beginning of the array, other pointing at end of the array. The contents of the memory location pointed by these two pointers are swapped and then the value of first pointer is increased and that of second pointer is decreased .

How do you reverse a list without using reverse function?

# Get list length.L = len(numbers)# i goes from 0 to the middle.for i in range(int(L/2)):# Swap each number with the number in.# the mirror position for example first.# and last.n = numbers[i]More items…•Aug 14, 2018

How do you reverse a linked list?

Iterative MethodInitialize three pointers prev as NULL, curr as head and next as NULL.Iterate through the linked list. In loop, do following. // Before changing next of current, // store next node. next = curr->next. // Now change next of current. // This is where actual reversing happens. curr->next = prev.