all tasks

Task/Sorting-algorithms-Shell-sort/D/sorting-algorithms-shell-sort.d

@@ -0,0 +1,21 @@
+import std.stdio: writeln;
+
+void shellSort(T)(T[] seq) pure nothrow {
+    int inc = seq.length / 2;
+    while (inc) {
+        foreach (ref i, el; seq) {
+            while (i >= inc && seq[i - inc] > el) {
+                seq[i] = seq[i - inc];
+                i -= inc;
+            }
+            seq[i] = el;
+        }
+        inc = (inc == 2) ? 1 : cast(int)(inc * 5.0 / 11);
+    }
+}
+
+void main() {
+    auto data = [22, 7, 2, -5, 8, 4];
+    shellSort(data);
+    writeln(data);
+}