# Difference between revisions of "Euler problems/91 to 100"

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m (Corrected the links to Project Euler) |
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[[Category:Programming exercise spoilers]] |
[[Category:Programming exercise spoilers]] |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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> |
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− | == [http://projecteuler.net/index.php?section= |
+ | == [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. |
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## Revision as of 13:56, 20 July 2007

## Contents

## Problem 91

Find the number of right angle triangles in the quadrant.

Solution:

```
problem_91 = undefined
```

## Problem 92

Investigating a square digits number chain with a surprising property.

Solution:

```
problem_92 = undefined
```

## Problem 93

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

Solution:

```
problem_93 = undefined
```

## Problem 94

Investigating almost equilateral triangles with integral sides and area.

Solution:

```
problem_94 = undefined
```

## Problem 95

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

Solution:

```
problem_95 = undefined
```

## Problem 96

Devise an algorithm for solving Su Doku puzzles.

Solution:

```
problem_96 = undefined
```

## Problem 97

Find the last ten digits of the non-Mersenne prime: 28433 × 2^{7830457} + 1.

Solution:

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

## Problem 98

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

Solution:

```
problem_98 = undefined
```

## Problem 99

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

Solution:

```
problem_99 = undefined
```

## Problem 100

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

Solution:

```
problem_100 = undefined
```