Data commit

Task/Loops-Increment-loop-index-within-loop-body/Nim/loops-increment-loop-index-within-loop-body.nim

@@ -0,0 +1,28 @@
+import strformat
+from strutils import insertSep
+
+func isPrime(i: int): bool =
+  if i == 2 or i == 3: return true
+  elif i mod 2 == 0 or i mod 3 == 0: return false
+  var idx = 5
+  while idx*idx <= i:
+    if i mod idx == 0: return false
+    idx.inc 2
+    if i mod idx == 0: return false
+    idx.inc 4
+  result = true
+
+const limit = 42
+proc main =
+  var
+    i = 42
+    n = 0
+  while n < limit:
+    if i.isPrime:
+      inc n
+      echo &"""n {n:>2} = {($i).insertSep(sep=','):>19}"""
+      i.inc i
+      continue
+    inc i
+
+main()