Consider an array declaration and initialization as, int arr[7]= {3,2,1,6,5,7,8};. A pointer 'ptr' holds the address of arr. What is the value of ptr[3]/2+ptr[1]?
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- (Electrical eng.) Write a program that declares three one-dimensional arrays named volts, current, and resistance. Each array should be declared in main() and be capable of holding 10 double-precision numbers. The numbers to store in current are 10.62, 14.89, 13.21, 16.55, 18.62, 9.47, 6.58, 18.32, 12.15, and 3.98. The numbers to store in resistance are 4, 8.5, 6, 7.35, 9, 15.3, 3, 5.4, 2.9, and 4.8. Your program should pass these three arrays to a function named calc_volts(), which should calculate elements in the volts array as the product of the corresponding elements in the current and resistance arrays (for example ,volts[1]=current[1]resistance[1]). After calc_volts() has passed values to the volts array, the values in the array should be displayed from inside main().(List maintenance) The following letters are stored in an alphabet array: B, J, K, M, S, and Z. Write and test a function named adlet(), which accepts the alphabet array and a new letter as arguments, and then inserts the new letter in the correct alphabetical order in the array.(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
- AHPA #10: The Secure Array * * Using pointers, access Peter's array without him knowing it * and place three values that you got from the user (101, 63, * 21) at locations 3, 6, and 9. Recalculate the sum value and * update it. ( the output should be same as the picture)IN C# Q. Lucky Number Definition:● A lucky number is a number whose value is equal to the occurrence of that number in anarray.○ [2, 2, 3, 3] => 2● If there is more than one number whose value is equal to the occurrence of that numberin an array, then the lucky number will be the one with the maximum value among alllucky numbers.○ [1, 2, 2, 3, 3, 3, 4] => 3● If there is no number in an array whose value is equal to the occurrence of that numberin the array then the lucky number will be -1.○ [5] => -1Implement a function getLuckyNumber(numbers) that takes an array of positive integers asinput and returns the lucky number from the array.Test Cases:● getLuckyNumber([2, 2, 3, 3]) => 2● getLuckyNumber([1, 2, 2, 3, 3, 3, 4]) => 3● getLuckyNumber([5]) => -1getLuckyNumber(numbers){// function implementation// return number whose value is equal to the occurrence of the number in the array// e.g [2, 2, 3, 3] => lucky number = 2// in case there are multiple lucky numbers…In a given statement such as int assign[5] = {100, 95, 80}; what array operation is being implemented? Select one: a. initialize b. access c. invalid d. assign What statement is used to exit a program code in VB? Select one: a. all of the choices b. End c. Quit d. Exit
- 3. Selection Sort• The idea in a selection sort is that you locate the largest item out of a set ofunsorted items, and move it into position at the end of the unsorted items. Asorted region grows one item at a time, while an unsorted region shrinks.• As done in Part 1, fill an array with random numbers.• Write a function that locates the largest element in the portion of the arraybeginning at the start of the array, up to a given index, and swaps the largestitem with the item at the given index.• E.g. If searching a[0] to a[7] locates the largest item at a[4], a[4] and a[7] would beswapped.• Write a second function that calls the first function repeatedly, until the entirearray is sorted. (Each time the first function is called, it will search one fewerelement)Exercise 1: //The max function the max between a and b, it returns a if a == //b public double max(double a, double b); //The mult function returns the result of a * b public double mult(double a, double b); //The exist in array function returns the index of the element //‘a’ if //‘a’ exist in array ‘arr’ otherwise returns ‘-1’ public int existsInArray(int [] arr, int a); //Are array equals method compares two arrays and returns true // if the elements of array ‘a’ are equal to elements of array // ‘b’, element by element. If equals it returns 0, it returns - // 1 if not public int areArrayEquals(int [] a, int [] b); Devise four executable test cases for every method in the JUnit notation. See the attached handout for a refresher on the notation.AHPA #12: Movie Titles & Star Wars * * From a data file ("Lesson 14 - Movie Data"), read in data for Year, Total Gross, %± LY, Releases, Average, #1 Release for the years 1977 to 2019. * * I have decided that longer movie titles make more money. Add up the average income for each movie length and then print it out. * * * Tell me which movie length made the most money. * * Create an array that uses pointers to store each of the Star Wars movie titles. Once created, print out a of the movie titles in the array. *(use c) * #include <stdio.h> int main(void) { while (fgets (str, MAX_LEN, movieReleases ) != NULL ) { sscanf(str,"%d %f %d %d %[^\n]s",&year,&total,&releases,&average,&title); return 0;}
- 8.11 (Random Sentences) Write a program that uses random-number generation to create sen-tences. The program should use four arrays of pointers to char called article, noun, verb and prep- osition. The program should create a sentence by selecting a word at random from each array in the following order: article, noun, verb, preposition, article and noun. As each word is picked, it should be concatenated to the previous words in an array large enough to hold the entire sentence. The words should be separated by spaces. When the final sentence is output, it should start with a capital letter and end with a period. The program should generate 20 such sentences. The arrays should be filled as follows: The article array should contain the articles "the", "a", "one", "some" and "any"; the noun array should contain the nouns "boy", "girl", "dog", "town" and "car"; the verb array should contain the verbs "drove", "jumped", "ran", "walked" and "skipped"; the preposition array should contain the…5.15 LAB: Reverse array Use Python. Complete reverse() method that returns a new character array containing all contents in the parameter reversed. Ex: If the input array is: ['a', 'b', 'c'] then the returned array will be: ['c', 'b', 'a'] import java.util.*;public class LabProgram {// This method reverses contents of input argument arr.public static char[] reverse(char[] arr) { /* Type your code here. */ } public static void main(String[] args) {char [] ch = {'a','b','c'}; System.out.println(reverse(ch)); // Should print cba}}Write a program that uses random number generation to create sentences.The program should use four arrays of pointers to char called article, noun, verband preposition. The program should create a sentence by selecting a word atrandom from each array in the following order: article, noun, verb, preposition,article and noun. As each word is picked, it should be concatenated to the previouswords in an array large enough to hold the entire sentence.The words should be separated by spaces. When the final sentence is output, itshould start with a capital letter and end with a period. The program shouldgenerate 20 such sentences. The arrays should be filled as follows: The article arrayshould contain the articles "the", "a", "one", "some “and "any"; the noun arrayshould contain the nouns "boy", "girl", "dog", "town" and "car"; the verb arrayshould contain the verbs "drove", "jumped", "ran", "walked" and "skipped"; thepreposition array should contain the prepositions "to", "from", "over",…