A drink costs 2 dollars. A taco costs 3 dollars. Given the number of each, compute total cost and assign totalCost with the resulEx: 4 drinks and 6 tacos yields totalCost of 26.367012.2549490.qx3zqy71 import java.util.Scanner;23 public class ComputingTotalCost {public static void main(String[] args) {Scanner scnr = new Scanner(System.in);4int numDrinks;int numTacos;int totalCost;78910numDrinksscnr.nextInt();scnr.nextInt();1112numTacos1314* Your solution goes here */1516System.out.print("Total cost: ");

start Accept numDrinks ,numTacos from the user totalCost <- numDrinks*2 + numTacos*3 print total…

Answered: A drink costs 2 dollars. A taco costs 3…

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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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"

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