Exercise 2. (Pascal's Triangle) Pascal's triangle Pn is a triangular array with n+1l rows, each listing the coefficients of the binomial expansion (x+ y)', where 0 sisn. For example, P4 is the triangular array: 1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 The term Pn(i, j) is calculated as Pn(i – 1, j – 1) +Pn(i – 1, j), where 0
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- Mark the following statements as true or false. A double type is an example of a simple data type. (1) A one-dimensional array is an example of a structured data type. (1) The size of an array is determined at compile time. (1,6) Given the declaration: int list[10]; the statement: list[5] - list[3] * list[2]; updates the content of the fifth component of the array list. (2) If an array index goes out of bounds, the program always terminates in an error. (3) The only aggregate operations allowable on int arrays are the increment and decrement operations. (5) Arrays can be passed as parameters to a function either by value or by reference. (6) A function can return a value of type array. (6) In C++, some aggregate operations are allowed for strings. (11,12,13) The declaration: char name [16] = "John K. Miller"; declares name to be an array of 15 characters because the string "John K. Miller" has only 14 characters. (11) The declaration: char str = "Sunny Day"; declares str to be a string of an unspecified length. (11) As parameters, two-dimensional arrays are passed either by value or by reference. (15,16)(Practice) Write correct notation for the first, third, and seventh elements of the following arrays: a. int grades[20] b. double volts[10] c. double amps[16] d. int dist[15] e. double velocity[25] f. double time[100](Electrical eng.) a. An engineer has constructed a two-dimensional array of real numbers with three rows and five columns. This array currently contains test voltages of an amplifier. Write a C++ program that interactively inputs 15 array values, and then determines the total number of voltages in these ranges: less than 60, greater than or equal to 60 and less than 70, greater than or equal to 70 and less than 80, greater than or equal to 80 and less than 90, and greater than or equal to 90. b. Entering 15 voltages each time the program written for Exercise 7a runs is cumbersome. What method could be used for initializing the array during the testing phase? c. How might the program you wrote for Exercise 7a be modified to include the case of no voltage being present? That is, what voltage could be used to indicate an invalid voltage, and how would your program have to be modified to exclude counting such a voltage?
- (Statistics) a. Write a C++ program that reads a list of double-precision grades from the keyboard into an array named grade. The grades are to be counted as they’re read, and entry is to be terminated when a negative value has been entered. After all grades have been input, your program should find and display the sum and average of the grades. The grades should then be listed with an asterisk (*) placed in front of each grade that’s below the average. b. Extend the program written for Exercise 1a to display each grade and its letter equivalent, using the following scale: Between90and100=AGreaterthanorequalto80andlessthan90=BGreaterthanorequalto70andlessthan80=CGreaterthanorequalto60andlessthan70=DLessthan60=F(C PROGRAMMING ONLY) 1. Spell-it-out!by CodeChum Admin Are you intimidated with complicated words? Don't be! The trick is to break it down letter by letter! Let’s create a program that prints out the character in the array index indicated by the input integer. For example, if the array has 3 character elements, 'j', 'r', and 'd', and the inputted integer value is 1, then we print 'r' because 'r' is found at index 1. Instructions: In the code editor, you are provided with an array of characters (or a string).Your task is to ask the user for an integer input which represents the index and then print out the character of the string found at that index.Input 1. Index of the array Output Enter the index: 4rWrite statements that perform the following one-dimensional-array operations in C#:a) Set the three elements of integer array counts to 0.b) Add 1 to each of the four elements of integer array bonus.c) Display the five values of integer array bestScores in column format.(Explain each step).
- 2. Given the following code, and provided initialized variables, provide answers for parts (a), (b) and (c) under the commented sections below. int[] testScoresArray = { 20, 40, 10 };int total = 0; double average;for (int index = 0; index < testScoresArray.Length; index++){ // (a) write one line of code that would add each array element to the accumulator variable “total”}// (b) write one line of code to calculate the average // (c) write one line of code to display the average in a message box, formatted to two decimal places.Indicate true or false for the following statements: a. Every element in an array has the same type. b. The array size is fixed after an array reference variable is declared. c. The array size is fixed after it is created. d. The elements in an array must be of a primitive data typeQuestion 2: Control Flow Statementsa) Write a Java code snippet to print all the even numbers between 1 and 20 (inclusive). b) Write a Java code snippet to check if a given number num is positive, negative, or zero. Print the appropriate message.Your code for this problem c) Declare and initialize an integer array named "numbers" with the following elements: 4, 9, 2, 7, 5. d) Write a Java code snippet to calculate and print the sum of all elements in the "numbers" array.
- 1. Program the following.· Prompt the values from user for a single dimensional integer array of length 5 and accept them in FirstIn First Out form.· Consider a one dimensional character array of length 5 and holding data a, e, i, o and u. Sort themin ascending order.· Randomly place values in a 2 dimensional integer array.· Prompt values from user for a one dimensional integer array of length 10 in FILO order. Arrange thisarray in ascending and descending order in other 2 arrays. Language CThe most commonly used arrays in business applications are ____-dimensional and ____-dimensional. a. zero, one c. two, three b. one, two d. three, four If N is the number of variables in an array, the last variable of the array is assigned a subscript of ____. a. N-2 c. N b. N-1 d. N+1 The statement ____ assigns the character X to the first element of the letters array. a. letters[0] = 'X'; c. letters[1] = 'X'; b. letters[1] = "X"; d. letters[0] = "X"; A subscript is also called a(n) ____. a. iterator c. key b. index d. scalar When using bubble sort to sort an array in ascending order, at the end of the first pass, the ____ value is stored in the last position of the array. a. median c. largest b. mean d. smallest ____ declares and initializes a four-element string array named sales; each element is initialized to 0.0. a. string…An array command is written in the following and questions are to be solved keeping this program/command in consideration. Use Python Program to solve this question. array([ 0, 1, 8, 27, 64, 125, 216, 343, 512, 729]) Questions Display the values of 1D array using for loop? Write a code to print a 3D array? How to print the transpose of a 2D array? Write a function to sort the array row and coloumn wise ?