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Task/Equilibrium-index/Nim/equilibrium-index.nim

@@ -0,0 +1,20 @@
+import math, sequtils
+
+iterator eqindex(data) =
+  var suml, ddelayed = 0
+  var sumr = sum(data)
+  for i,d in data:
+    suml += ddelayed
+    sumr -= d
+    ddelayed = d
+    if suml == sumr:
+      yield i
+
+const d = @[@[-7, 1, 5, 2, -4, 3, 0],
+            @[2, 4, 6],
+            @[2, 9, 2],
+            @[1, -1, 1, -1, 1, -1, 1]]
+
+for data in d:
+  echo "d = ", data
+  echo "eqIndex(d) -> ", toSeq(eqindex(data))