A drink costs 2 dollars. A taco costs 3 dollars. Given the number of each, compute total cost and assign totalCost with the resu Ex: 4 drinks and 6 tacos yields totalCost of 26. 367012.2549490.qx3zqy7 1 import java.util.Scanner; 2 3 public class ComputingTotalCost { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); 4 5 int numDrinks; int numTacos; int totalCost; 7 8 9. 10 numDrinks = scnr.nextInt(); scnr.nextInt(); 11 12 numTacos 13 14 * Your solution goes here */ 15 16 System.out.print("Total cost: ");

A drink costs 2 dollars. A taco costs 3 dollars. Given the number of each, compute total cost and assign totalCost with the resu Ex: 4 drinks and 6 tacos yields totalCost of 26. 367012.2549490.qx3zqy7 1 import java.util.Scanner; 2 3 public class ComputingTotalCost { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); 4 5 int numDrinks; int numTacos; int totalCost; 7 8 9. 10 numDrinks = scnr.nextInt(); scnr.nextInt(); 11 12 numTacos 13 14 * Your solution goes here */ 15 16 System.out.print("Total cost: ");

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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E1
Check this code and make a code to plot the curve def maxProfitBrute(arr): # O(n^2) arr_len = len(arr) profit = -1 for i in range(arr_len-1): for j in range(i+1, arr_len): diff = arr[j]-arr[i] if (profit <= diff): profit = diff start = i end = j return start, end, arr[end]-arr[start] def maxProfit(prices): # O(n) arr = prices if len(arr) < 2: return 0 elif len(arr) == 2: return arr[1]-arr[0] if arr[1] > arr[0] else 0 mini = arr[0] profit = arr[1]-arr[0] for idx, item in enumerate(arr): mini = min(mini, item) profit = max(profit, item-mini) return profit arr = [5, 5] profit = maxProfit(arr) print(f'\nProfit = {profit}')
# Python How to print the values that are more than average income? Average income works fine but more than average income is getting an error, def find_all(): stocks = [] for child in root.iter("property"): data = child.attrib.copy() data["cost"] = string_to_float(data["cost"]) data["downPayment"] = string_to_float(data["downPayment"]) data["percentage"] = string_to_float(data["percentage"]) data["netIncome"] = string_to_float(child.text) stocks.append(data) return stocksdef average_income(): averageIncome = find_all() averageIncome =sum([i['netIncome'] for i in averageIncome]) / len(averageIncome) return [{"averageIncome {:.2f}".format(averageIncome)}] def more_average_income(): average = average_income()[0]['averageIncome'] more_than_avg =[x for x in find_all() if x['netIncome'] > average] return more_than_avg if __name__ == '__main__': print(average_income()[0]['averageIncome']) values = more_average_income() for v in values: print(v)
Three lottery tickets for first, second, and third prizes are drawn from a group of 45 tickets. Find the number of sample points in S for awarding the 3 prizes if each contestant holds only 1 ticket.
Correct answer will be upvoted else downvoted. Computer science. There are two potential results of a game: the game might bring about a tie, then, at that point, the two groups get 1 point; one group may dominate in a match, then, at that point, the triumphant group gets 3 focuses and the losing group gets 0 focuses. The score of a group is the number of focuses it acquired during all games that it played. You are keen on a theoretical circumstance when all groups get a similar score toward the finish of the title. A basic illustration of that circumstance is the point at which all games bring about ties, however you need to limit the number of ties too. Your assignment is to depict a circumstance (pick the aftereffect of each game) so that all groups get a similar score, and the number of ties is the base conceivable. Input The main line contains one integer t (1≤t≤100) — the number of experiments. Then, at that point, the experiments follow. Each…
6Need 100 percent perfect answer in 30 minutes.I will rate positive if answer is perfect.and please give full answer as required
If you have been given the full amount required and the list represents the amount of change in your pocket, decide whether you can afford the item or not. Change will always be represented as follows: quarters, dimes, nickels, pens. Illustration: change Enough ([25, 20, 5, 0], 4.25) should prove true, as having 25 quarters, 20 dimes, 5 nickels and 0 pens gives you 6.25 + 2 + .25 + 0 = 8.50. Examples changeEnough ([2, 100, 0, 0], 14.11) → false changeEnough ([0, 0, 20, 5], 0.75) →> true changeEnough ([30, 40, 20, 5], 12.55) → truth changeEnough ([10, 0, 0, 50], 3.85) → false change Enough ([1, 0, 5, 219], 19.99) → false Solve in Java script
def solve_n_queens(n): def is_safe(board, row, col): # Verificar la columna for i in range(row): if board[i][col] == 1: return False # Verificar la diagonal izquierda i, j = row, col while i >= 0 and j >= 0: if board[i][j] == 1: return False i -= 1 j -= 1 # Verificar la diagonal derecha i, j = row, col while i >= 0 and j < n: if board[i][j] == 1: return False i -= 1 j += 1 return True def solve(board, row): if row >= n: solution = [] for r in board: solution.append("".join(['Q' if x == 1 else '.' for x in r])) solutions.append(solution) return for col in range(n): if is_safe(board, row, col): board[row][col] = 1 solve(board, row + 1)…
Using pyhton coding to solve: Suppose the Great Frederick Fair wants to update its ticketing software. They need you to write a program to handle the price calculations, using the rules*: ● The basic price of a ticket is $40. Senior citizens (age >= 65) get a 50% discount. Children under 6 are free (100% discount). For residents of Frederick County, the basic price is $35; the same discounts still apply. So the individual ticket prices range from $0 to $40. ● . Your program should request age and county name from the user. The age will be entered as an integer and the county name as a string. Before calculating the price, confirm that the user's age is valid - not negative and not more than 110. If it is not, give a message and do not do the price calculation. Also, the county name should not be case sensitive - for example, Frederick, frederick, and FREDERICK should all be acceptable. Your program should then calculate and print out the ticket price, using the appropriate…
In a row of seats, 1 represents a person sitting in that seat, and 0 represents that the seat is empty. There is at least one empty seat, and at least one person sitting. Alex wants to sit in the seat such that the distance between him and the closest person to him is maximized. Return that maximum distance to closest person. A. Example 1: i. Input: [1, 0, 0, 0, 1, 0, 1] ii. Output: 2 • Explanation: • If Alex sits in the second open seat (seats[2]), then the closest person has distance 2. • If Alex sits in any other open seat, the closest person has distance 1. • Thus, the maximum distance to the closest person is 2. NOTE: "using C++ code"