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Euler problems/141 to 146

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[[Category:Programming exercise spoilers]]
 
[[Category:Programming exercise spoilers]]
== [http://projecteuler.net/index.php?section=problems&id=141 Problem 141] ==
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== [http://projecteuler.net/index.php?section=view&id=141 Problem 141] ==
 
Investigating progressive numbers, n, which are also square.
 
Investigating progressive numbers, n, which are also square.
  
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</haskell>
 
</haskell>
  
== [http://projecteuler.net/index.php?section=problems&id=142 Problem 142] ==
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== [http://projecteuler.net/index.php?section=view&id=142 Problem 142] ==
 
Perfect Square Collection
 
Perfect Square Collection
  
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</haskell>
 
</haskell>
  
== [http://projecteuler.net/index.php?section=problems&id=143 Problem 143] ==
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== [http://projecteuler.net/index.php?section=view&id=143 Problem 143] ==
 
Investigating the Torricelli point of a triangle
 
Investigating the Torricelli point of a triangle
  
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</haskell>
 
</haskell>
  
== [http://projecteuler.net/index.php?section=problems&id=144 Problem 144] ==
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== [http://projecteuler.net/index.php?section=view&id=144 Problem 144] ==
 
Investigating multiple reflections of a laser beam.
 
Investigating multiple reflections of a laser beam.
  
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</haskell>
 
</haskell>
  
== [http://projecteuler.net/index.php?section=problems&id=145 Problem 145] ==
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== [http://projecteuler.net/index.php?section=view&id=145 Problem 145] ==
 
How many reversible numbers are there below one-billion?
 
How many reversible numbers are there below one-billion?
  
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</haskell>
 
</haskell>
  
== [http://projecteuler.net/index.php?section=problems&id=146 Problem 146] ==
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== [http://projecteuler.net/index.php?section=view&id=146 Problem 146] ==
 
Investigating a Prime Pattern
 
Investigating a Prime Pattern
  

Revision as of 10:34, 20 July 2007

Contents

1 Problem 141

Investigating progressive numbers, n, which are also square.

Solution:

problem_141 = undefined

2 Problem 142

Perfect Square Collection

Solution:

problem_142 = undefined

3 Problem 143

Investigating the Torricelli point of a triangle

Solution:

problem_143 = undefined

4 Problem 144

Investigating multiple reflections of a laser beam.

Solution:

problem_144 = undefined

5 Problem 145

How many reversible numbers are there below one-billion?

Solution:

problem_145 = undefined

6 Problem 146

Investigating a Prime Pattern

Solution:

problem_146 = undefined