(Radix-sort animation) Write a
FIGURE 23.21 The program animates radix sort. Source: Copyright © 1995–2016 Oracle and/or its affiliates. All rights reserved. Used with permission.
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- 1) Given row array vals of unknown size of 2 or greater, write an expression that yields a new array containing all elements except the first. For example, if vals = [10, 20, 30, 40], the expression would yield [20, 30, 40]. vals Check Show answer 2) Write an expression that results in a row array vals shifted to the right. For example, if vals = [1, 2, 3, ....., n-1, n], then a right shift will result in [n,1,2,3,.....n-1]. Check Show answer Incorrect vals(???)arrow_forwardpart a- 2point) for 3 students find the average of a student by asking him how many grades do you have. The answer to this question, determine the size of the array(list of grades) and then ask the user to enter grades(the number of the grades is equal to the size of the array) then calculate the average for each student. Hence, you will calculate 3 averages. to calculate the average, use the array accumulator. Also when you get each grade validate it. validation for grade means that you check whether a grade is between 0 and 100. if the grade is negative or a grade is more than 100 then it is not valid and you have to ask the user to enter a grade again. Part b- 1 point) Find the maximum and minimum grades for each student. Part c- 1 point) Print the sorted list of the grades for each student. example: if grades user entered are: 60 78 98 23 45 then sorted list is:23 45 60 78 98 (Array not vector)arrow_forwardpython: numpy def purchases(transactions): """ QUESTION 7 - A high-end store is trying to evaluate the total amount that customer's spend per transaction. They want customers to spend anywhere between $130 and $150 on average. - You need to determine whether the average number spent on each transaction per month is above, between, or below the desired amount. - Transactions is a numpy array containing a date, total amount earned each month, and total number of transactions each month. - Above: month's average amount spent per transaction > 150 - Within Range: 150 >= month's average amount spent per transaction >= 130 - Below: month's average amount spent per transaction < 130 - Return a numpy array with "Above", "Within Range" and "Below" for the average amount spent per transaction per month - THIS MUST BE DONE IN ONE LINE HINT: use np.where() and convert the type of each column to float Args: transactions…arrow_forward
- Problem Description - JAVA PROGRAMMING Use a Two-dimensional (3x3) array to solve the following problem: Write an application that inputs nine numbers, each of which is between 1 and 10, inclusive. Display the array after the user inputs each value. Rotate/flip the array by changing places. Make the rows columns and vice versa. You have to move the elements to their new locations. Remember to validate the input and display an error message if the user inputs invalid data. Documentation and the screenshot(s) of the results. Example: 1 2 3 4 5 6 7 8 9 the result will be : 1 4 7 2 5 8 3 6 9arrow_forwardSimple try-catch-finally Program This lab is a simple program that demonstrates how try-catch-finally works. You will notice the output when you enter incorrect input (for example, enter an incorrect index or an alpha character instead of an integer). Type up the code, execute and submit the results ONLY. 1. Enter a valid array index 2. Enter an invalid array index 3. Enter a letter instead of an integer - NOTE: Using the general error will show you the type of exception was caught, and you can then update your code to catch that type of error. 4. Try putting the "Exception e" before the IndexOutOfBounds Exception eob what happens and are you able to run the code - what happens? CODE: import java.util.Scanner; public class TryCatchFinally { public static void main(String[] args) { // Instantiate a scanner Scanner input = new Scanner(System.in); } } // Create an array with 4 values int an IntArr[] = {10, 15, 26, 99); try { System.out.println("Enter the index to see the number: "); int…arrow_forwardLab Activity for the students: Exercise 5: Write a program that asks the user to input 8 numbers and save them in a 2D array with 4 rows and 2 columns. The program finds the sum of all elements and prints the array in reverse order. (1 Mark ) Example : If the inputs are 12, 7, 23, 86, 40, 64, 97, 55. Then, the program will print: 55 97 64 40 86 23 7 12 Sum = 384arrow_forward
- Individual Exercise: Sieve of Eratosthenes O The Sieve of Eratosthenes is a technique for finding all the prime numbers up to a given last number. o It can be implemented as a program by using the algorithm (steps) given below. " Create a variable for the last number initialized as 100 etc. (e.g., int lastNumber = 100;) • Create a boolean array isPrime[] to keep track of which numbers up to lastNumber are prime. O The length of the array must be equal to lastNumber + 1 as the array indexes start from zero. o Note: The default value is false for all the array elements when a boolean array is created by using new. ' Set all the array elements beginning from index = 2 (the first prime number) to true. ' Outer loop: Repeat the following steps for each number num within 2 <= num <= lastNumber / num. o if isPrime[num] is true (meaning that num is prime as no factors exist for num): " Inner loop: Set the isPrime[] elements for all the multiples of num to false. O When the nested loop ends,…arrow_forward4. Declare a two-dimensional array that has 3 columns and 4 rows. 5. Write a for loop that will printout each value in the array from problem 4.arrow_forwardC++ c++ write a hangman game that randomly generates a word and prompts the user to guess one letter at a time, as shown in the sample run. Each letter in the word is displayed as asterisk. when the user makes a correct guess, the actual letter is then displayed. When the user finishes a word, display the number of misses and ask the user whether to continue to play with another word. Declare an array to store word as follow: Store 20 different words in a text file, read them into an array. Randomly pick a number 1..20 and use this word for the current round.arrow_forward
- 1-Write a program that meets the following requirements: Creates an array with 100 randomly chosen integers. Prompts the user to enter the index of the array, then displays the corresponding element value. If the specified index is out of bounds, display the message Out of Bounds Hint: use the ArrayIndexOutOfBoundsExceptionarrow_forwardIndicate true or false for the following statements: Every element in an array has the same type. The array size is fixed after it is declared. The array size declarator must be a constant expression. The array elements are initialized when an array is declared.arrow_forwardLottery Number Generator Problem Use pseudocode to design a program that generates a 7-digit lottery number. This program should have an integer array with 7 elements. Then Write a loop that steps through the array, randomly generating a number in the range of 0 through 9 for each element. Finally, write another loop that displays the contents of the array.arrow_forward
- Programming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage