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Tina Müller 2016-12-05 23:44:36 +01:00
parent 9dc3c2bb62
commit bba7bfd280
13208 changed files with 134745 additions and 0 deletions
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25
Task/Pythagorean-triples/Nim/pythagorean-triples.nim Normal file
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const u = [[ 1, -2, 2, 2, -1, 2, 2, -2, 3],
[ 1, 2, 2, 2, 1, 2, 2, 2, 3],
[-1, 2, 2, -2, 1, 2, -2, 2, 3]]
var
total, prim = 0
maxPeri = 10
proc newTri(ins) =
var p = ins[0] + ins[1] + ins[2]
if p > maxPeri: return
inc(prim)
total += maxPeri div p
for i in 0..2:
newTri([u[i][0] * ins[0] + u[i][1] * ins[1] + u[i][2] * ins[2],
u[i][3] * ins[0] + u[i][4] * ins[1] + u[i][5] * ins[2],
u[i][6] * ins[0] + u[i][7] * ins[1] + u[i][8] * ins[2]])
while maxPeri <= 100_000_000:
total = 0
prim = 0
newTri([3, 4, 5])
echo "Up to ", maxPeri, ": ", total, " triples, ", prim, " primitives"
maxPeri *= 10