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YAPC::EU 2018 Glasgow Update!

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Ingy döt Net 2018-08-17 15:15:24 +01:00
parent 22f33d4004
commit 4e2d22a71d
1170 changed files with 15042 additions and 3047 deletions
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13
Task/Constrained-random-points-on-a-circle/Nim/constrained-random-points-on-a-circle.nim
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@ -1,25 +1,26 @@
import tables, math, strutils, complex
randomize()
import tables, math, strutils, complex, random
proc random[T](a: openarray[T]): T =
result = a[random(low(a)..len(a))]
result = a[rand(low(a)..len(a))]
type Point = tuple[x, y: int]
var world = initCountTable[Point]()
var possiblePoints = newSeq[Point]()
for x in -15..15:
for y in -15..15:
if abs((x.float, y.float)) in 10.0..15.0:
possiblePoints.add((x,y))
randomize()
for i in 0..100: world.inc possiblePoints.random
for x in -15..15:
for y in -15..15:
if world[(x,y)] > 0:
stdout.write min(9, world[(x,y)])
let key = (x, y)
if key in world and world[key] > 0:
stdout.write min(9, world[key])
else:
stdout.write ' '
echo ""