//Assume you are throwing darts at a 5 by 5 square board.
//Each throw will hit randomly at any of the 25 possible squares with equal likelihood.
//After throwing a certain number of darts, you count the total number of different squares you hit.
//Write a program to simulate this game by throwing n darts, where n is a given input value.
private void BtnDarts_Click(object sender, EventArgs e)
{
LstView.Clear();
int darts = int.Parse(Microsoft.VisualBasic.Interaction.InputBox("Number of darts thrown", "", ""));
int[] squareBoard = new int[24];
int squaresHit = 0;
for (int i = 0; i < darts; i++)
{
Random r = new Random();
int squareNumber = r.Next(1, 26);
squareBoard[squareNumber] += 1;
}
for (int x = 0; x < squareBoard.Length; x++)
{
if (squareBoard[x] != 0)
{
squaresHit += 1;
}
}
LstView.Items.Add(darts.ToString() + " darts have been thrown and have hit " + squaresHit.ToString() + " different squares");
}
private async void LstView_Refreshing(object sender, EventArgs e)
{
var post = _contacts = await GetContact();
_contacts = new ObservableCollection <Contact>(post);
LstView.ItemsSource = _contacts;
LstView.EndRefresh();
}
private async void LstView_Refreshing(object sender, EventArgs e)
{
var post = await GetPeopleAsync();
_person = new ObservableCollection <Person>(post);
LstView.ItemsSource = _person;
LstView.EndRefresh();
}
//***************** Exercise 1 *****************//
//Write a program which will simulate the tossing of 4 fair coins, 50 times.
//Display the results of each toss of four on a
//separate line.If exactly 3 heads occur on a give toss,
//follow the line with an asterisk (*).
private void BtnExercise1_Click(object sender, EventArgs e)
{
LstView.Clear();
int dice = 0;
string sumOfDice = "";
int countThreeH = 0;
RollDice(dice, sumOfDice, countThreeH);
}
//At a casino, the following game is played between a player and the banker.The player pays the banker
//$7.5 . The banker then pays the player $1, and spins the wheel again.Suppose the number this time is 24. The
//banker pays another $1, and the process continues until a number is produced which has already occured.
//Suppose the sequence of numbers is 17,24,18,31. The banker has paid the player $4.00 . At the next turn of the
//wheel the number is 18 (a number already produced). At this point the game ends, and the player has lost
//$3.50. Simulate 200 such games, and display the number of times the
//player wins or loses, and the players total loss or gain.
private void BtnPlay_Click(object sender, EventArgs e)
{
LstView.Clear();
int wins = 0;
int losses = 0;
double total = 0;
for (int i = 1; i <= 200; i++)
{
int[] numbersPlayed = new int[37];
PlayTheRoulette(numbersPlayed, ref wins, ref losses, ref total);
}
LstView.Items.Add("Wins: " + wins.ToString() + " Losses: " + losses.ToString() + " Total: " + total.ToString());
}
private void LstView_LayoutUpdated(object sender, EventArgs e)
{
LstView.SelectedIndex = LstView.Items.Count - 1;
LstView.ScrollIntoView(LstView.SelectedItem);
if (GlobalVariable.Message.Count >= 1000)
{
GlobalVariable.Message.Clear();
}
if (GlobalVariable.Message.Count > 50)
{
GlobalVariable.Message.RemoveAt(0);
//
}
}
//A gambler has a choice of two games. The first costs $8.00 to play.
//Two dice are rolled and the player receive the sum
//of the numbers rolled in dollars.The second game costs $15.00 to play.
//Two dice are rolled and the player receives the product of the numbers rolled in dollars.
//Write a program which simulates each game being played 1000 times
//and calculates the average winnings per game. Also determine which game the gambler should choose.
private void BtnPlay_Click(object sender, EventArgs e)
{
LstView.Clear();
int game1 = 0;
int game2 = 0;
int averageGame1 = 0;
int averageGame2 = 0;
for (int i = 0; i < 1000; i++)
{
Random r = new Random();
//game 1
int dice1 = r.Next(1, 7);
int dice2 = r.Next(1, 7);
game1 += dice1 + dice2 - 8;
//game 2
int dice3 = r.Next(1, 7);
int dice4 = r.Next(1, 7);
game2 += dice3 * dice4 - 15;
}
averageGame1 = game1 / 1000;
averageGame2 = game2 / 1000;
LstView.Items.Add("Average Game1 = " + averageGame1.ToString());
LstView.Items.Add("Average Game2 = " + averageGame2.ToString());
if (averageGame1 <= 0 && averageGame2 <= 0)
{
LstView.Items.Add("Better stop gambling");
}
else if (averageGame1 > averageGame2)
{
LstView.Items.Add("Game 1 offers more profit");
}
else if (averageGame1 < averageGame2)
{
LstView.Items.Add("Game 2 offers more profit");
}
else
{
LstView.Items.Add("Both games offer same profit");
}
}
//Write a VB program that simulates 15 rolls of a dice and then
//prints out the number of times each number is generated.
private void BtnExercise_Click(object sender, EventArgs e)
{
LstView.Clear();
int[] dice = new int[7];
for (int i = 0; i < 15; i++)
{
Random r = new Random();
int diceNumber = r.Next(1, 7);
dice[diceNumber] += 1;
}
for (int x = 0; x < dice.Length - 1; x++)
{
if (dice[x] != 0)
{
LstView.Items.Add(x.ToString() + " \t " + dice[x]);
}
}
}
private void LstView_GiveFeedback(object sender, GiveFeedbackEventArgs e)
{
LstView.SelectedIndex = LstView.Items.Count - 1;
LstView.ScrollIntoView(LstView.SelectedItem);
}
