Data commit

Task/Loops-Nested/Nim/loops-nested.nim

@@ -0,0 +1,25 @@
+import random, strutils
+
+const ArrSize = 10
+
+var a: array[ArrSize, array[ArrSize, int]]
+var s = ""
+
+randomize()   # Different results each time this runs.
+
+# Initialize using loops on items rather than indexes.
+for row in a.mitems:
+  for item in row.mitems:
+    item = rand(1..20)
+
+block outer:
+  # Loop using indexes.
+  for i in 0..<ArrSize:
+    for j in 0..<ArrSize:
+      if a[i][j] < 10: s.add(' ')
+      addf(s, "$#", $a[i][j])
+      if a[i][j] == 20: break outer
+      s.add(", ")
+    s.add('\n')
+
+echo s