Data commit

Task/Equilibrium-index/D/equilibrium-index-1.d

@@ -0,0 +1,9 @@
+import std.stdio, std.algorithm, std.range, std.functional;
+
+auto equilibrium(Range)(Range r) pure nothrow @safe /*@nogc*/ {
+    return r.length.iota.filter!(i => r[0 .. i].sum == r[i + 1 .. $].sum);
+}
+
+void main() {
+    [-7, 1, 5, 2, -4, 3, 0].equilibrium.writeln;
+}

Task/Equilibrium-index/D/equilibrium-index-2.d

@@ -0,0 +1,18 @@
+import std.stdio, std.algorithm;
+
+size_t[] equilibrium(T)(in T[] items) @safe pure nothrow {
+    size_t[] result;
+    T left = 0, right = items.sum;
+
+    foreach (immutable i, e; items) {
+        right -= e;
+        if (right == left)
+            result ~= i;
+        left += e;
+    }
+    return result;
+}
+
+void main() {
+    [-7, 1, 5, 2, -4, 3, 0].equilibrium.writeln;
+}