5 application examples of Shareware (Definition - Shareware is distributed freely on a trial basis. Users can use the software for a limited period of time (ex: 15 days). After the time limit, the users can longer use the software, unless the user pays for the software.

5 application examples of Shareware (Definition - Shareware is distributed freely on a trial basis. Users can use the software for a limited period of time (ex: 15 days). After the time limit, the users can longer use the software, unless the user pays for the software.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter17: Linked Lists

Section: Chapter Questions

Problem 14PE

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Exercise 1.2 Description: In large markets, a system that allows users to pay by themselves can make both cash and card transactions after the user has their products scanned by the barcode scanner. Welcoming Screen 1- The user can select the "read membership card" option on the login screen to earn discounts and points at the end of the shopping, or "enter a phone number" if the membership card is not next to it. 2- If he is not a member he can choose to "scan the product" directly. 3- Membership control is carried out by the membership database. 4- After the user has made the selection, the scan and package screen is displayed. Draw the use case diagram of this scenario.
10-13. Verify User: The final listing for remember_me.py assumes either that the user has already entered their username or that the program is running for the first time. We should modify it in case the current user is not the person who last used the program. Before printing a welcome back message in greet_user(), ask the user if this is the correct username. If it’s not, call get_new_username() to get the correct username.
C++ A dice game called "21" It is a variation on BlackJack where one player plays against the computer trying to get 21 or as close to 21 without going over. Here are the rules of the game: You will play with dice that have numbers from 1 to 11. To win, the player or the computer has to get to 21, or as close as possible without going over. If the player or computer goes over 21, they instantly lose. If there is a tie, the computer wins. Starting the game: The player is asked to give the computer a name. For now, we'll simply call the computer opponent, "computer." The game starts with rolling four dice. The first two dice are for the player. These two dice are added up and the total outputted to the screen. The other two dice are for the computer. Likewise, their total is outputted to the screen. Player: If a total of 21 has been reached by either the player or the computer, the game instantly stops and the winner is declared. Otherwise, the player is asked if they…
3.27 (World Population Growth) World population has grown considerably over the centuries. Continued growth could eventually challenge the limits of breathable air, drinkable water, arable land and other limited resources. There’s evidence that growth has been slowing in recent years and that world population could peak some time this century, then start to decline. For this exercise, research world population growth issues. This is a controversial topic, so be sure to investigate various viewpoints. Get estimates for the current world population and its growth rate. Write a script that calculates world population growth each year for the next 100 years, using the simplifying assumption that the current growth rate will stay constant . Print the results in a table. The first column should display the year from 1 to 100. The second column should display the anticipated world population at the end of that year. The third column should display the numerical increase in the world…
3.27 (World Population Growth) World population has grown considerably over the centuries. Continued growth could eventually challenge the limits of breathable air, drinkable water, arable land and other limited resources. There’s evidence that growth has been slowing in recent years and that world population could peak some time this century, then start to decline. For this exercise, research world population growth issues. This is a controversial topic, so be sure to investigate various viewpoints. Get estimates for the current world population and its growth rate. Write a script that calculates world population growth each year for the next 100 years, using the simplifying assumption that the current growth rate will stay constant . Print the results in a table. The first column should display the year from 1 to 100. The second column should display the anticipated world population at the end of that year. The third column should display the numerical increase in the world…
Bus Loading Problem. You are in charge of filling busses with passengers at a bus terminal. Each bus has space for ten (10) passengers. Four (4) of those spaces can hold only wheelchair passengers, and the other six (6) can hold only non-wheelchair passengers. Busses and both types of passengers arrive at random. As busses arrive, you are to fill them up with passengers. Once a bus is full (containing 6 non-wheelchair, and 4 wheelchair passengers), it is allowed to leave the terminal, along with its passengers. You are responsible only for loading the passengers on the bus and having the bus depart. You do not need to worry about what happens to the busses or passengers after they leave. Each bus process has available to it the functions ArriveAtTerminal(), OpenDoors(), CloseDoors(), and DepartTerminal(). Each passenger process has available to it the functions ArriveAtTerminal() and GetOnBus(). Executing GetOnBus() loads the passenger on the bus, and the function returns when the…
PYTHON CODING A retail company assigns a $5000 store bonus if monthly sales are more than $100,000; otherwise a $500 store bonus is awarded. Additionally, they are doing away with the previous day off program and are now using a percent of sales increase to determine if employees get individual bonuses. If sales increased by at least 4% then all employees get a $50 bonus. If they did not, then individual bonuses are 0. Use functions and decision structures. The company now wants to add additional levels to their store and employee bonuses. The new levels are as follows: Store bonuses: If store sales are $80,000 or more, store bonus is $3000 If store sales are $90,000 or more, store bonus is $4000 If store sales are $100,000 or more, store bonus is $5000 If store sales are $110,000 or more, store bonus is $6000 Employee bonuses: If percent of increase is 3% or more, employee bonus is $40 If percent of increase is 4% or more, employee bonus is $50 If percent of increase is 5%…
Problem Statement: The mathematician Conway imagined a game, called game of life, whichconsidered cells that are susceptible to reproduce, disappear, or survive when they obey certainrules. These cells are represented by elements on a grid of squares, where a grid has an arbitrarysize. Thus, each cell (except those on the boundaries of the grid) is surrounded by eight squaresthat contain other cells. The rules are stated as follows:1. Survival: Each cell that has two or three adjacent cells survives until the next generation.2. Death: Each cell that has at least four adjacent cells disappears (or dies) by overpopulation.Also, each cell that has at most one adjacent cell dies by isolation.3. Birth: Each empty square (i.e., dead cell) that is adjacent to exactly three cells gives birthto a new cell for the next generation.It is worth noting that all births and deaths occur at the same time during a generation.Write a program that simulates this game and displays all successive…
Problem Statement: The mathematician Conway imagined a game, called game of life, whichconsidered cells that are susceptible to reproduce, disappear, or survive when they obey certainrules. These cells are represented by elements on a grid of squares, where a grid has an arbitrarysize. Thus, each cell (except those on the boundaries of the grid) is surrounded by eight squaresthat contain other cells. The rules are stated as follows:1. Survival: Each cell that has two or three adjacent cells survives until the next generation.2. Death: Each cell that has at least four adjacent cells disappears (or dies) by overpopulation.Also, each cell that has at most one adjacent cell dies by isolation.3. Birth: Each empty square (i.e., dead cell) that is adjacent to exactly three cells gives birthto a new cell for the next generation.It is worth noting that all births and deaths occur at the same time during a generation.Write a program that simulates this game and displays all successive…
Problem Statement: The mathematician Conway imagined a game, called game of life, whichconsidered cells that are susceptible to reproduce, disappear, or survive when they obey certainrules. These cells are represented by elements on a grid of squares, where a grid has an arbitrarysize. Thus, each cell (except those on the boundaries of the grid) is surrounded by eight squaresthat contain other cells. The rules are stated as follows:1. Survival: Each cell that has two or three adjacent cells survives until the next generation.2. Death: Each cell that has at least four adjacent cells disappears (or dies) by overpopulation.Also, each cell that has at most one adjacent cell dies by isolation.3. Birth: Each empty square (i.e., dead cell) that is adjacent to exactly three cells gives birthto a new cell for the next generation.It is worth noting that all births and deaths occur at the same time during a generation.Write a program that simulates this game and displays all successive…
Problem Statement: The mathematician Conway imagined a game, called game of life, whichconsidered cells that are susceptible to reproduce, disappear, or survive when they obey certainrules. These cells are represented by elements on a grid of squares, where a grid has an arbitrarysize. Thus, each cell (except those on the boundaries of the grid) is surrounded by eight squaresthat contain other cells. The rules are stated as follows:1. Survival: Each cell that has two or three adjacent cells survives until the next generation.2. Death: Each cell that has at least four adjacent cells disappears (or dies) by overpopulation.Also, each cell that has at most one adjacent cell dies by isolation.3. Birth: Each empty square (i.e., dead cell) that is adjacent to exactly three cells gives birthto a new cell for the next generation.It is worth noting that all births and deaths occur at the same time during a generation.Write a program that simulates this game and displays all successive…
Single File Programming QuestionA trekking group wants to make camp inside a large forest with thousands of trees, all very tall, slick, and upright, with leaves and branches much above man-heigThey will pitch a single tent, with the canvas of the tent being conical in shape, and the tent having three long ropes fitted with the canvas base that need to be tiecwith the bases of three trees so that the tree-bases form an acute-angled triangle (T). The circumcircle (C) of the points in T form the camp-base within which thenomads will set up all their other activities, so they naturally want to make their camp-base as large as possible and free of any other trees, although there may besome trees standing on the circumference of C. However, the nomads are all deadly against cutting down any tree. Imagine that you are the nomad leader and hathe map of the forest. On this map, you find that the forest belongs to a planar land surface, and you also get the coordinates of all the tree bases.…