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Calculus: Calculate the count of numbers with unique digits

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Last Updated Ratings Unique User Downloads Download Rankings  
2011-05-22 (3 years ago) RSS 2.0 feedNot yet rated by the usersTotal: 333 All time: 6,307 This week: 1,710Up
Version License PHP version Categories  
calculus 1.0.1GNU General Public Lice...5.3Algorithms, PHP 5
Description Author  

This class can calculate the count of numbers with unique digits.

It takes a given range of numbers defined by a minumum and a maximum and determines how many numbers within range have unique digits.

Optionally the class may consider also numbers with leading zeros.

Innovation Award  
PHP Programming Innovation award nominee
June 2011
Number 7


Prize: One copy of RadPHP XE
A number may be unique if it contains a sequence of unique digits.

This class can determine the uniqueness of a number by counting the number of unique digits it contains.

Manuel Lemos
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Name: Martin Lacroix <contact>
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Country: France France
Age: 38
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Innovation award
Innovation award
Nominee: 2x

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Plain text file Calculus.php Class Main class
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 Version Control Unique User Downloads Download Rankings  
 0%Total:333All time:6,307
 This week:0This week:1,710Up