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| author | Reiner Herrmann <reiner@reiner-h.de> | 2009-10-21 18:29:27 +0200 |
|---|---|---|
| committer | Reiner Herrmann <reiner@reiner-h.de> | 2014-08-31 20:11:45 +0200 |
| commit | 02e4e295e609614e527ebdc9ab9027b07a1c677d (patch) | |
| tree | 7fc97e0354772ade3817559bdcc10d7c896e55ef | |
| parent | 093ce28d70f099ce47bd2f72696cd3523bb1ee4d (diff) | |
project euler solution 28
| -rw-r--r-- | src/projecteuler/028.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/projecteuler/028.py b/src/projecteuler/028.py new file mode 100644 index 0000000..3ec1ff5 --- /dev/null +++ b/src/projecteuler/028.py @@ -0,0 +1,13 @@ + +width = 1001 +max_level = (width-1)/2 + +last = sum = 1 + +for level in range(1, max_level+1): + add = 2*level + sum += (last+add) + (last+2*add) + (last+3*add) + (last+4*add) + last = last+4*add + +print sum + |