int n = 1; int k = 2; int r = n; if (k < n) { = k: }
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- // P41.cpp - A simple elevator for 4 floors and a basement with a // close door button and 5 keys for floors #include<iostream> #include<cmath> using namespace std; void close_door(); int change_floor(int choice, int floor); int main( ) { int key; int floor = 0; cout << "Press a Key \n"; cin >> key; if(key == 0) { close_door(); if( floor != 0){ // otherwise nothing happens cout << "I am moving to the Basement \n"; floor = change_floor(0, floor); } } else if(key == 1) { close_door(); if( floor != 1){ // otherwise nothing happens cout << "I am moving to the the First Floor \n"; floor = change_floor(1, floor); } } else if(key == 2) { close_door(); if( floor != 2){ // otherwise nothing happens cout << "I am moving to the the Second Floor \n"; floor = change_floor(2, floor); } } else if(key == 3) { close_door(); if( floor != 3){ // otherwise nothing happens cout << "I am moving to the the Third Floor \n"; floor = change_floor(3, floor); } }…The below expression is used to determine whether or not the given year is a leap year. Add the appropriate parenthesis to make the expression more readable (assuming that you have a junior developer in your development team who is still learning how to program in Java efficiently). What is the output of the Boolean variable "isLeapYear"? int year = 2020; boolean isLeapYear = year % 4 == 0 && year % 100 != 0 || year % 400 == 0;A cashier distributes change using the maximum number of five dollar bills, followed by one dollar bills. For example, 19 yields 3 fives and 4 ones. Write a single statement that assigns the number of one dollar bills to variable numOnes, given amountToChange. Hint: Use the % operator. #include <stdio.h> int main(void) { int amountToChange; int numFives; int numOnes; scanf("%d", &amountToChange); numFives = amountToChange / 5; /* Your solution goes here */ printf("numFives: %d\n", numFives); printf("numOnes: %d\n", numOnes); return 0;
- By default, which one of the following types of values will be thrown when the below function is executed?def abstractAdd(a,b,c):print(a+b+c) Choose an answer A None B bool C str D intAssignment Write a program that moves a forester unit and a desert corps unit to a given target location and prints the number of hours it took for each unit to reach the target. First, the user will give the starting X and Y positions of the forester unit as well as its base speed (all ints). Then, the starting X and Y positions of the desert corps unit as well as its base speed (all ints). Finally, the target X and Y positions (both ints) and the terrain type (std::string). Speeds are given as distance traveled in one full day (i.e., 24 hours) and is affected by the terrain type using a multiplier over the base speed. Also, after 1 full day, each unit rests for a certain number of hours. Speed multiplier and rest amount of each type of unit depending on the terrain type are as below. Speed Multiplier Rest Duration After 1 day Terrain type Forester Desert Corps Forester Desert Corps Forest 1.3 0.6 4 12 Desert 0.4 1.2 15 6 Hills 0.7 0.8 6 8 Others 1.0 0.8 8 6 After getting all this…Determine the distance between point (x1, y1) and point (x2, y2), and assign the result to pointsDistance. The calculation is:Distance = SquareRootOf( (x2 - x1)2 + (y2 - y1)2 ) #include <stdio.h>#include <math.h> int main(void) { double x1; double y1; double x2; double y2; double xDist; double yDist; double pointsDistance; xDist = 0.0; yDist = 0.0; pointsDistance = 0.0; scanf("%lf", &x1); scanf("%lf", &y1); scanf("%lf", &x2); scanf("%lf", &y2); /* Your solution goes here */ printf("%lf\n", pointsDistance); return 0;
- T/F 3) The parameter (String[ ] variable) is used in a Java key method such that a user may run the software and supply "command-line" parameters. The operator, on the other hand, does not need to have any parameters since the parameter is a String sequence.Q: The propositional variables b, v, and s represent the propositions: b: Alice rode her bike today. v: Alice overslept today. s: It is sunny today. Select the logical expression that represents the statement: “Alice rode her bike today only if it was sunny today and she did not oversleep.” b→(s→¬v) 2. b→(s∧¬v) 3. s∧(¬v→b) 4. (s∧¬v)→b Group of answer choices b→(s∧¬v) b→(s→¬v) s∧(¬v→b) (s∧¬v)→b 2); The following two statements are logically equivalent (p → q) ∧ (r → q) and (p ∧ r) → q Group of answer choices True Falseint a = 9; int c = 6; int d = 6; boolean m; if (a==c && c != d) { m = true}; What is the value of m? True False 6 9
- Problem Description: The international standard letter/number mapping found on the telephone keypad is shown below: Write a pseudocode and program that reads a letter and displays its corresponding digit. 2 3 1 ABC DEF 4 5 6 GHI JKL MNO 7 8 9 PQRS TUV WXYZ 0 Write a pseudocode on how you would solve the problem in your own word. Write a java program called Phone considering the following directions. Practice here first then write answer on the answer sheet. Also, make sure distinguish high and low caps as Java is case – sensitive. Import and declare a Scanner class Ask user for an Upper – case letter Use the switch statement along with case and break Use the System.exit(1) in the default to terminate the program Print the corresponding digitWrite an application that allows you to enter nine(and only nine, no more no less) integers and displays the values, their mean, and their median. (Java)Programming Exercise 10 in Chapter 6 asks you find the mean and standard deviation of five numbers. Extend this programming exercise to find the mean and standard deviation of up to 100 numbers. Suppose that the mean (average) of n numbers x1, x2, . . ., xn is x. Then the standard deviation of these numbers is:S=sqrt(((x1-x)^2+(x2-x)^2+...+(xi-x)^2+...+(xn-x)^2)/n)
