Initial data commit

Task/Permutation-test/Nim/permutation-test.nim

@@ -0,0 +1,28 @@
+import strformat
+
+const data = [85, 88, 75, 66, 25,
+              29, 83, 39, 97, 68,
+              41, 10, 49, 16, 65,
+              32, 92, 28, 98]
+
+func pick(at, remain, accu, treat: int): int =
+  if remain == 0:
+    return if accu > treat: 1 else: 0
+  return pick(at - 1, remain - 1, accu + data[at - 1], treat) +
+    (if at > remain: pick(at - 1, remain, accu, treat) else: 0)
+
+
+var treat = 0
+var le, gt = 0
+var total = 1.0
+for i in countup(0, 8):
+  treat += data[i]
+for i in countdown(19, 11):
+  total *= float(i)
+for i in countdown(9, 1):
+  total /= float(i)
+
+gt = pick(19, 9, 0, treat)
+le = int(total - float(gt))
+echo fmt"<= : {100.0 * float(le) / total:.6f}% {le}"
+echo fmt" > : {100.0 * float(gt) / total:.6f}% {gt}"