For the non-recursive towers problem, we used an array of vectors to represent the towers: vector T[3). To move the top of tower from to the top of tower to. we would write: T[to],push_front(T[from].back()) T[to),push_back(T(from].pop_back()) T[to).push_back(T[from].back()) T[to].push_front(T[from).pop_back()) O None of the above
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- Implement Flatten Arrays.Given an array that may contain nested arrays,produce a single resultant array."""from collections.abc import Iterable # return listdef flatten(input_arr, output_arr=None): if output_arr is None: output_arr = [] for ele in input_arr: if not isinstance(ele, str) and isinstance(ele, Iterable): flatten(ele, output_arr) #tail-recursion else: output_arr.append(ele) #produce the result return output_arr # returns iteratordef flatten_iter(iterable): """ Takes as input multi dimensional iterable and returns generator which produces one dimensional output. """ for element in iterable: if not isinstance(element, str) and.Given an unsorted array, A, of integers and an integer k, write a recursivejava code for rearranging the elements in A so that all elements less than or equal to k come before any elements larger than k. What is the running time of your algorithm on an array of n values.Can you ask with the python software language? A 2D matrix can be represented as a list and a column count value in Python. For example, the 3x3 matrix 1 2 3 4 5 6 7 8 9 can be row-wise represented as ([1,2,3,4,5,6,7,8,9], 3), where the number 3 represents the number of columns in the matrix. Similarly, 1 3 5 2 4 6 becomes ([1,3,5,2,4,6], 3). A submatrix can be defined as an (l,r,t,b) tuple, where l and r are left and right column indices, and t and b are top and bottom row indices (all inclusive). Write a function that takes a tuple containing the list representing a matrix, and the column count of the matrix, along with another tuple representing a specific submatrix, and returns the list representation of the submatrix along with its column count as a tuple. For example, given submatrix(([1,2,3,4,5,6,7,8,9,10,11,12], 4), (1,2,0,1)) returns: ([2,3,6,7], 2) def submatrix(matrix, indices):
- Suppose that intArray is an array of integers, and length specifies the number of elements in intArray. Also, suppose that low and high are two integers such that 0 <= low < length, 0 <= high < length, and low < high. That is, low and high are two indices in intArray. Write a recursive definition that reverses the elements in intArray between low and high.This is a java question Given an efficient circular bent array-based queue q capable of holding 7 objects. Show the final contents of the array after the following code is executed: for (int k = 1; k <= 6; k++) q.enqueue(k);for (int k = 1; k <= 3; k++) { q.dequeue( ); q.enqueue(q.dequeue( )); } 0 1 2 3 4 5 6Write simply python code for the following: Using a both a for (for within a for) and a while (while within a while) nested loop, read the dimensional array below: aList = [["Red","Blue","Green"],["Cup","Plate","Bowl"],["Large","Med","Small"]] and print out its contents in a matrix as follows: Red Blue GreenCup Plate BowlLarge Med Small
- in Java Implement a method public static double[] add(double[] a, double[] b) for the component-wise sum of vectors: given vectors (a1, a2, . . . , an) and (b1, b2, . . . , bn) of the same length, the sum is the vector (a1 + b1, a2 + b2, . . . , an + bn). For example, the result of applying add to (0, 3, −1) and (2, −5, 1) should be (0 + 2, 3 + (−5), −1 + 1) = (2, −2, 0). Important: add should NOT change the given arrays and should return a new array instead.Finish the splitOdd10 using recursion to determine if the elements of an array can be split into two groups such that the sum of one group is a non-zero multiple of 10 and the sum of the other group is oddUsing recursion, write a Python function def before(k,A) which takes an integer k and an array A of integers as inputs and returns a new array consisting of all the integers in A which come before the last occurrence of k in A, in the same order they are in A. For example, if A is [1,2,3,6,7,2,3,4] then before(3,A) will return [1,2,3,6,7,2]. If k does not occur in A, the function should return None.
- By using java, Write a recursive function that finds the maximum element in an array ofintegers, based on comparing the first element in the array against themaximum in the rest of the array recursively.implement two recursive versions of the linear search that gets an array of songs and a title and searches for a song with the given title in the array. In this version, the function returns the first index of the array containing the number. If the number is not in the array, the function returns -1. int linear_search_rec_first(int* ar, int length, int number);Given the following function, what happens if a[] contains just one element that doesn't match val? int binarySearch(int a[], int first, int last, int val){ if (first > last) return -1; int middle = (first + last) / 2; if (a[middle] == val) return middle; if (a[middle] < val) return binarySearch(a, middle+1, last, val); else return binarySearch(a, first, middle-1, val);} Group of answer choices binarySearch never calls itself again and terminates (recursion never happens) binarySearch calls itself once then terminates (recursion happens once) binarySearch calls itself twice then terminates (recursion happens twice) binarySearch calls itself 3 times then terminates (recursion happens 3 times)