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Diffstat (limited to '2ndary/THT/B/QG-2016/trigrid.py')
| -rw-r--r-- | 2ndary/THT/B/QG-2016/trigrid.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/2ndary/THT/B/QG-2016/trigrid.py b/2ndary/THT/B/QG-2016/trigrid.py new file mode 100644 index 0000000..0911ef9 --- /dev/null +++ b/2ndary/THT/B/QG-2016/trigrid.py @@ -0,0 +1,11 @@ +#!/usr/bin/env python3 + +TESTS = (4, 3, 5, 6, 111, 222, 3333, 4444, 55555, 666666, 7777777, 88888888, + 999999999, 123456789123456789, 1000000000000000000) + +# Fomular from http://mathworld.wolfram.com/TriangleTiling.html +n = lambda a: a * (a + 2) * (a * 2 + 1) // 8 % 2016 + +with open('TRIGRID.TXT', 'w') as f: + for a in TESTS: + f.write("{}\n".format(n(a))) |