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Euler problems/91 to 100

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[[Category:Programming exercise spoilers]]
 
[[Category:Programming exercise spoilers]]
== [http://projecteuler.net/index.php?section=problems&id=91 Problem 91] ==
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== [http://projecteuler.net/index.php?section=view&id=91 Problem 91] ==
 
Find the number of right angle triangles in the quadrant.
 
Find the number of right angle triangles in the quadrant.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=92 Problem 92] ==
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== [http://projecteuler.net/index.php?section=view&id=92 Problem 92] ==
 
Investigating a square digits number chain with a surprising property.
 
Investigating a square digits number chain with a surprising property.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=93 Problem 93] ==
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== [http://projecteuler.net/index.php?section=view&id=93 Problem 93] ==
 
Using four distinct digits and the rules of arithmetic, find the longest sequence of target numbers.
 
Using four distinct digits and the rules of arithmetic, find the longest sequence of target numbers.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=94 Problem 94] ==
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== [http://projecteuler.net/index.php?section=view&id=94 Problem 94] ==
 
Investigating almost equilateral triangles with integral sides and area.
 
Investigating almost equilateral triangles with integral sides and area.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=95 Problem 95] ==
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== [http://projecteuler.net/index.php?section=view&id=95 Problem 95] ==
 
Find the smallest member of the longest amicable chain with no element exceeding one million.
 
Find the smallest member of the longest amicable chain with no element exceeding one million.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=96 Problem 96] ==
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== [http://projecteuler.net/index.php?section=view&id=96 Problem 96] ==
 
Devise an algorithm for solving Su Doku puzzles.
 
Devise an algorithm for solving Su Doku puzzles.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=97 Problem 97] ==
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== [http://projecteuler.net/index.php?section=view&id=97 Problem 97] ==
 
Find the last ten digits of the non-Mersenne prime: 28433 × 2<sup>7830457</sup> + 1.
 
Find the last ten digits of the non-Mersenne prime: 28433 × 2<sup>7830457</sup> + 1.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=98 Problem 98] ==
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== [http://projecteuler.net/index.php?section=view&id=98 Problem 98] ==
 
Investigating words, and their anagrams, which can represent square numbers.
 
Investigating words, and their anagrams, which can represent square numbers.
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=99 Problem 99] ==
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== [http://projecteuler.net/index.php?section=view&id=99 Problem 99] ==
 
Which base/exponent pair in the file has the greatest numerical value?
 
Which base/exponent pair in the file has the greatest numerical value?
   
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</haskell>
 
</haskell>
   
== [http://projecteuler.net/index.php?section=problems&id=100 Problem 100] ==
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== [http://projecteuler.net/index.php?section=view&id=100 Problem 100] ==
 
Finding the number of blue discs for which there is 50% chance of taking two blue.
 
Finding the number of blue discs for which there is 50% chance of taking two blue.
   

Revision as of 13:56, 20 July 2007

Contents

1 Problem 91

Find the number of right angle triangles in the quadrant.

Solution:

problem_91 = undefined

2 Problem 92

Investigating a square digits number chain with a surprising property.

Solution:

problem_92 = undefined

3 Problem 93

Using four distinct digits and the rules of arithmetic, find the longest sequence of target numbers.

Solution:

problem_93 = undefined

4 Problem 94

Investigating almost equilateral triangles with integral sides and area.

Solution:

problem_94 = undefined

5 Problem 95

Find the smallest member of the longest amicable chain with no element exceeding one million.

Solution:

problem_95 = undefined

6 Problem 96

Devise an algorithm for solving Su Doku puzzles.

Solution:

problem_96 = undefined

7 Problem 97

Find the last ten digits of the non-Mersenne prime: 28433 × 27830457 + 1.

Solution:

problem_97 = (28433 * 2^7830457 + 1) `mod` (10^10)

8 Problem 98

Investigating words, and their anagrams, which can represent square numbers.

Solution:

problem_98 = undefined

9 Problem 99

Which base/exponent pair in the file has the greatest numerical value?

Solution:

problem_99 = undefined

10 Problem 100

Finding the number of blue discs for which there is 50% chance of taking two blue.

Solution:

problem_100 = undefined