feat: add solutions for challenge 254 from BarrOff

1 files changed, 32 insertions, 0 deletions

diff --git a/challenge-254/barroff/d/ch_1.d b/challenge-254/barroff/d/ch_1.d
new file mode 100644
index 0000000000..d01771cf1d
--- /dev/null
+++ b/challenge-254/barroff/d/ch_1.d
@@ -0,0 +1,32 @@
+#!/usr/bin/env -S rdmd -unittest
+
+import std.conv, std.math;
+
+bool three_power(int n)
+{
+    foreach (x; 0 .. to!int(sqrt(to!float(n))) + 1)
+    {
+        int tripple = x ^^ 3;
+        if (tripple > n)
+        {
+            break;
+        }
+        if (n == tripple)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+unittest
+{
+    assert(three_power(27));
+    assert(three_power(0));
+    assert(three_power(6) == false);
+}
+
+void main()
+{
+}