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| author | Reiner Herrmann <reiner@reiner-h.de> | 2010-06-25 20:24:00 +0200 |
|---|---|---|
| committer | Reiner Herrmann <reiner@reiner-h.de> | 2014-08-31 20:32:41 +0200 |
| commit | b9ec3666d5c931b02a0988ddf01394e55e43a270 (patch) | |
| tree | e3f0a9d6a928bed9caabc10c90e96334667f9ab7 | |
| parent | 0c94d0dc40d58b6c47aa7b5e2e94472b2f50cbf7 (diff) | |
projecteuler solution 44
| -rw-r--r-- | src/projecteuler/044.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/projecteuler/044.py b/src/projecteuler/044.py new file mode 100644 index 0000000..5baae84 --- /dev/null +++ b/src/projecteuler/044.py @@ -0,0 +1,9 @@ + +pentagonal = [n*(3*n-1)/2 for n in xrange(1, 10000)] +pentagonal_set = set(pentagonal) + +for j in pentagonal: + for k in pentagonal: + if j+k in pentagonal_set and j-k in pentagonal_set: + print abs(j-k) + |