Re: Cheque clearing

From: Peter Hucker (hucker_at_clara.co.uk)
Date: 06/28/04 

Date: Mon, 28 Jun 2004 15:20:20 +0100

On Mon, 28 Jun 2004 09:43:20 +0100, Dave <recneps.w.divad@elcaro.moc> wrote:

>
>
> Peter Hucker wrote:
>> Is there an easy way to work out what cheques have cleared and what
>> haven't? For example this is the latest part of my online banking
>> statement http://www.hucker.plus.com/temp/statement.jpg , and I'm told
>> that the available balance is £100.32 lower than the account balance
>> (which means £100.32 of paid ins minus paid outs have not cleared). Can
>> anyone see what matches £100.32 in the picture? If so how do you do it?
>>
>> And no the bank have no idea what's cleared or not, I asked them.
>>
>
> There are 18 entries in the list. Match each entry to a bit in an
> 18-bit number (e.g. 29.99 corresponds to bit 0).
> Count from 1 to 2^18-1, and add up the entries for which the
> corresponding bit in the count variable is 1. (Count paid-in as
> positive and paid-out as negative.)
>
> If the sum is 100.32 then you know which items have cleared and which
> haven't.
> If you're optimistic about multiple solutions, bail out. If not, don't.
> Shouldn't take too long to run on a modern computer.

Now that's much less clumsy than the way I was trying to tackle it! Thanks!

When using computers, think binary (slaps self in face). 

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Relevant Pages

  • Re: Cheque clearing
    ... > Peter Hucker wrote: ... >> Is there an easy way to work out what cheques have cleared and what ... >> that the available balance is £100.32 lower than the account balance ... > Shouldn't take too long to run on a modern computer. ...
    (sci.math.num-analysis)
  • Re: Cheque clearing
    ... Peter Hucker wrote: ... > Is there an easy way to work out what cheques have cleared and what ... > that the available balance is £100.32 lower than the account balance ... There are 18 entries in the list. ...
    (sci.math)
  • Re: Cheque clearing
    ... Peter Hucker wrote: ... > Is there an easy way to work out what cheques have cleared and what ... > that the available balance is £100.32 lower than the account balance ... There are 18 entries in the list. ...
    (sci.math.num-analysis)
  • Re: Cheque clearing
    ... For example this is the latest part of my online banking statement ... available balance is £100.32 lower than the account balance (which means ... £100.32 of paid ins minus paid outs have not cleared). ... Why are you writing cheques for 2.26? ...
    (sci.math)
  • Re: Cheque clearing
    ... For example this is the latest part of my online banking statement ... available balance is £100.32 lower than the account balance (which means ... £100.32 of paid ins minus paid outs have not cleared). ... Why are you writing cheques for 2.26? ...
    (sci.math.num-analysis)