how to work ? .Write a method reverse that takes an array as an argument and reverses it. Do not create a new array. Modify the array parameter.reverse.cpp1#include 2 using namespace std;3/**Reverses the order of the elements in an array.@param words an array of strings to reverse@param len the number of words in the array7 */reverse(string words[], int len)}5for (int i = 0; i < len; i++){..;}1}

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Write a method reverse that takes an array as an argument and reverses it. Do not create a new array. Modify the array parameter. reverse.cpp ]#include z using namespace std; :/** Reverses the order of the elements in an array. @param words an array of strings to reverse @param len the number of words in the array 7 */ E. .. reverse(string words[], int len) }5 for (int i = 0; i < len; i++) { } 1}

Write a method reverse that takes an array as an argument and reverses it. Do not create a new array. Modify the array parameter. reverse.cpp ]#include z using namespace std; :/** Reverses the order of the elements in an array. @param words an array of strings to reverse @param len the number of words in the array 7 */ E. .. reverse(string words[], int len) }5 for (int i = 0; i < len; i++) { } 1}

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1. Shift Left k Cells Use Python Consider an array named source. Write a method/function named shiftLeft( source, k) that shifts all the elements of the source array to the left by 'k' positions. You must execute the method by passing an array and number of cells to be shifted. After calling the method, print the array to show whether the elements have been shifted properly. Example: source=[10,20,30,40,50,60] shiftLeft(source,3) After calling shiftLeft(source,3), printing the array should give the output as: [ 40, 50, 60, 0, 0, 0 ]
please code in python Forbidden concepts: arrays/lists (data structures), recursion, custom classes You have been asked to take a small icon that appears on the screen of a smart telephone and scale it up so it looks bigger on a regular computer screen.The icon will be encoded as characters (x and *) in a 3 x 3 grid as follows: (refer image1 ) Write a program that accepts a positive integer scaling factor and outputs the scaled icon. A scaling factor of k means that each character is replaced by a k X k grid consisting only of that character. Input Specification:The input will be an integer such that 0 < k ≤ 10. Output Specification:The output will be 3k lines, which represent each individual line scaled by a factor of k and repeated k times. A line is scaled by a factor of k by replacing each character in the line with k copies of the character. [refer image2]
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Method Details: public static void rotate(int[] array, boolean leftRotation, int positions) Rotates the provided array left if leftRotation is true; right otherwise. The number of positions to rotate is determined by positions. For example, rotating the array 10, 20, 7, 8 two positions to the left will update the array to 7, 8, 10, 20. Only arrays with 2 or more elements will be rotated. Hint: adding private methods that rotate an array one position to the left and one position to the right can help. Parameters: array - leftRotation - positions - Throws:java.lang.IllegalArgumentException - When a null array parameter is provided
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2. Rotate Left k cells Use Python Consider an array named source. Write a method/function named rotateLeft( source, k) that rotates all the elements of the source array to the left by 'k' positions. You must execute the method by passing an array and number of cells to be shifted. After calling the method, print the array to show whether the elements have been shifted properly. Example: source=[10,20,30,40,50,60] rotateLeft(source,3) After calling rotateLeft(source,3), printing the array should give the output as: [ 40, 50, 60, 10, 20, 30]
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