public static int Part1GamePlay(HandOfCards player1, HandOfCards player2)
{
// Playing the game.
Console.WriteLine("Let's Play!");
while (player1.Count > 0 && player2.Count > 0)
{
int p1card = player1.PopTop();
int p2card = player2.PopTop();
if (p1card > p2card)
{
// p1 wins, gets both cards, highest first.
player1.AddToBottom(p1card);
player1.AddToBottom(p2card);
}
else
{
// p2 wins, gets both cards, highest first.
player2.AddToBottom(p2card);
player2.AddToBottom(p1card);
}
}
int winner = (player1.Count > 0) ? 1 : 2;
var winnershand = (player1.Count > 0) ? player1 : player2;
long sum = ProduceWinningSum(winnershand);
Console.WriteLine($"The final sum is {sum}");
return(winner);
}
public static long ProduceWinningSum(HandOfCards winnershand)
{
long sum = 0;
int x = winnershand.Count;
while (winnershand.Count > 0)
{
int c = winnershand.PopTop();
sum += c * x;
x -= 1;
}
return(sum);
}
