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Algorithms

 
GeneralRe: Specify numbers as product of Primes? Pin
Arash Partow30-Jun-08 4:27
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GeneralRe: Specify numbers as product of Primes? Pin
Arash Partow30-Jun-08 2:17
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Questionlogic of prob function in ms excel Pin
sumit703425-Jun-08 0:40
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QuestionFactorials Pin
Ian Uy24-Jun-08 8:17
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AnswerRe: Factorials Pin
Tim Craig24-Jun-08 10:29
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GeneralRe: Factorials Pin
Ian Uy25-Jun-08 6:32
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GeneralRe: Factorials Pin
Tim Craig25-Jun-08 8:55
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GeneralRe: Factorials Pin
Luc Pattyn25-Jun-08 11:01
mvpLuc Pattyn25-Jun-08 11:01 
GeneralRe: Factorials Pin
Tim Craig25-Jun-08 21:06
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AnswerRe: Factorials Pin
cp987624-Jun-08 12:33
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AnswerRe: Factorials Pin
Matthew Butler24-Jun-08 12:38
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GeneralRe: Factorials Pin
cp987624-Jun-08 14:05
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GeneralRe: Factorials Pin
Luc Pattyn24-Jun-08 15:02
mvpLuc Pattyn24-Jun-08 15:02 
GeneralRe: Factorials Pin
cp987624-Jun-08 20:09
membercp987624-Jun-08 20:09 
Hi Luc,

I haven't worked through your code (are you sure the countN's do the right thing?).

There is a little known fact (don't ask me how I know it!) that

if n = 5q+r with 0 <= r < 5

then n! has the same rightmost non-zero digit as 2^n x q! x r!

Using this the problems reduce easily.

Peter
"Until the invention of the computer, the machine gun was the device that enabled humans to make the most mistakes in the smallest amount of time."

GeneralRe: Factorials Pin
Luc Pattyn24-Jun-08 23:53
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GeneralRe: Factorials Pin
cp987625-Jun-08 2:27
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GeneralRe: Factorials Pin
Luc Pattyn25-Jun-08 2:34
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GeneralRe: Factorials Pin
cp987625-Jun-08 2:40
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AnswerRe: Factorials Pin
tim_one14-Jul-08 8:37
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AnswerRe: Factorials Pin
Arash Partow25-Jun-08 2:14
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GeneralRe: Factorials Pin
Ian Uy25-Jun-08 6:26
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QuestionHow to determine the next x,y coordinate for a tank in a 2-D game... Pin
Edmundisme18-Jun-08 8:35
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AnswerRe: How to determine the next x,y coordinate for a tank in a 2-D game... Pin
73Zeppelin18-Jun-08 11:38
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GeneralRe: How to determine the next x,y coordinate for a tank in a 2-D game... Pin
Matthew Butler18-Jun-08 11:44
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GeneralRe: How to determine the next x,y coordinate for a tank in a 2-D game... Pin
73Zeppelin18-Jun-08 22:00
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GeneralRe: How to determine the next x,y coordinate for a tank in a 2-D game... Pin
Edmundisme18-Jun-08 12:00
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AnswerRe: How to determine the next x,y coordinate for a tank in a 2-D game... Pin
Matthew Butler18-Jun-08 11:41
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GeneralRe: How to determine the next x,y coordinate for a tank in a 2-D game... Pin
Edmundisme18-Jun-08 12:01
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JokeRe: How to determine the next x,y coordinate for a tank in a 2-D game... Pin
CPallini18-Jun-08 21:19
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QuestionPolyline offset algorithm Pin
beko16-Jun-08 21:59
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AnswerRe: Polyline offset algorithm Pin
Alan Balkany17-Jun-08 4:07
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GeneralRe: Polyline offset algorithm Pin
beko17-Jun-08 4:43
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QuestionRe: Polyline offset algorithm Pin
CPallini17-Jun-08 7:03
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AnswerRe: Polyline offset algorithm Pin
beko17-Jun-08 8:26
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AnswerRe: Polyline offset algorithm Pin
Arash Partow18-Jun-08 1:22
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GeneralRe: Polyline offset algorithm Pin
beko18-Jun-08 19:55
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QuestionWhat's the period of (cos ax)(sin bx)? Pin
sherifffruitfly14-Jun-08 10:00
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AnswerRe: What's the period of (cos ax)(sin bx)? Pin
cp987614-Jun-08 19:03
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AnswerRe: What's the period of (cos ax)(sin bx)? Pin
MarkBrock15-Jun-08 2:00
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AnswerRe: What's the period of (cos ax)(sin bx)? Pin
CPallini15-Jun-08 22:02
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QuestionQuaternion to Euler Pin
Xmen 11-Jun-08 3:08
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AnswerRe: Quaternion to Euler Pin
cmk11-Jun-08 11:27
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GeneralRe: Quaternion to Euler Pin
Xmen 11-Jun-08 12:48
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AnswerRe: Quaternion to Euler Pin
Mark Churchill12-Jun-08 18:38
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QuestionGraphical Object drawing algorithms Pin
Monty29-Jun-08 2:59
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AnswerRe: Graphical Object drawing algorithms Pin
73Zeppelin9-Jun-08 3:11
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GeneralRe: Graphical Object drawing algorithms Pin
Monty29-Jun-08 3:24
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GeneralRe: Graphical Object drawing algorithms Pin
73Zeppelin9-Jun-08 3:37
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GeneralRe: Graphical Object drawing algorithms Pin
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