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  1. K

    Actual interview brainteaser at a top flight shop

    I believe this is the solution for N-heads winning and N-tails losing in Y tosses where N<=Y<= (2 *N)-1. Here is some pseudocode double MinBankRollNeeded(#headsStillNeeded, #tossesRemaining) { //if we dont need anymore heads, we //need to have reached our profit goal...
  2. K

    Actual interview brainteaser at a top flight shop

    LOL. I'll pass on the prize SjFan, but thanks for the offer.
  3. K

    Actual interview brainteaser at a top flight shop

    I'm with MustPlayOptions on this one. I do not see why our solution is incorrect. I'll ask you again SjFan, is there a UNIQUE solution? One that does not require us to deviate depending on the outcome of the first 2 tosses?
  4. K

    Actual interview brainteaser at a top flight shop

    No, it was not a lucky guess. I started with the fact that if you lost the first 2 tosses, you still needed to be able to win the game if it came running heads. If there is still a chance at least Z occurrences of heads in Y coin tosses appears OR Z appearances have already occurred, the...
  5. K

    Actual interview brainteaser at a top flight shop

    The strategy is posted in the thread. SjFan, the strategy I posted will guarantee you win $100 if three heads appear in 5 flips. Are you saying there is a unique solution? One that does not require you to alter your final 3 bets depending on the outcome of the first 2 tosses?
  6. K

    Actual interview brainteaser at a top flight shop

    SJFan, this is my strategy. I have not come up with a way it loses, perhaps you can. First 2 flips: 37.50 37.50 If you won or lost BOTH of those 2 flips, you bet 25, 50, 100 UNTIL you are broke or have won game. Then you bet 0. If you won 1 of first 2 flips, you are even ($100...
  7. K

    Actual interview brainteaser at a top flight shop

    If I lose the first 2 flips, I lose $75. I have $25. I bet it, I win now I have 50. I bet it, I win, I have $100. I bet all that, I win, $200. Am I not understanding something here?
  8. K

    Actual interview brainteaser at a top flight shop

    How do I end up with $25 having seen two heads already? I would have $175 on flip 3 with my betting pattern? I am saying you must leave yourself with at least $25 bankroll regardless of outcome of first 2 flips. I'm betting 0 on any remaining flips once I've won the game.
  9. K

    Actual interview brainteaser at a top flight shop

    Well, you need to have 25 dollars minimum to bet on flip 3. So the most you can lose in first 2 flips is 75. Assuming you lose first 2, you need to win last 3, so you can just bet it all on every flip hence the 25, 50, 100 strategy. If you need the last flip to be heads, you need to have...
  10. K

    Actual interview brainteaser at a top flight shop

    Ok my last guess. 37.50 37.50 If you win first 2 flips or lose first 2 flips continue with 25 50 100. If you win ONLY 1 of first 2 flips, continue with 50 50 100.
  11. K

    Actual interview brainteaser at a top flight shop

    Huh? I thought it was only being flipped 5 times? You just posted an example with 6 flips?
  12. K

    Actual interview brainteaser at a top flight shop

    At first glance, 50 25 25 50 100. Bet those amounts until you've won the 100 or the game is over. Then bet 0.
  13. K

    TickZOOM Decision. Open Source and FREE!

    When you use .NET, the source code is always free for anybody to see :)
  14. K

    connection to Oanda fxtrade - anyone has got a problem today?

    You cannot use OHLC bars. OHLC charts @ Oanda plot the open average, high average...etc. Depending on the spread, the High Ask and Low Bid --as plotted by Min/Max charts -- can vary quite a bit from the high/low average.
  15. K

    connection to Oanda fxtrade - anyone has got a problem today?

    CSTFX : Refer to my post above. That will explain the difference in graphs. If a price is not propagated in real-time, it does not appear on the graph until you reconnect. (or change to a new time-frame that you have not been using in the current session)
  16. K

    connection to Oanda fxtrade - anyone has got a problem today?

    Not all prices on the server are propagated to the client in real-time. RECONNECT YOUR PLATFORM AND YOU WILL SEE IT WAS A "REAL" PRICE.
  17. K

    Never Trade With Oanda If You Want To Trade Seriously

    If you ever see a trade triggered when according to the charts it should not have been, simply disconnect and reconnect to allow the platform to reload the price history from the server. 99.9% of the time you will see that price did indeed reach the level your trade was triggered at. If after...
  18. K

    Oanda - Wtf ?????!!!!!!!

    High bid during time frame was 1.54006. Your sell order was @ 1.5402. Case closed.
  19. K

    Linking Excel and .NET application

    Have you taken a look at http://msdn2.microsoft.com/en-us/library/891ydsx9.aspx
  20. K

    Cramer harrassing guests...

    http://www.cnbc.com/id/15840232?video=626596283 About 5:30 in, Santelli and Cramer go at it.
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