From 116add27d0d74360c7d4ad26b12d972657e51afa Mon Sep 17 00:00:00 2001
From: Conor Hoekstra <36027403+codereport@users.noreply.github.com>
Date: Wed, 22 Dec 2021 01:40:40 -0500
Subject: Update ch-1.bqn

---
 challenge-088/conor-hoekstra/bqn/ch-1.bqn | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/challenge-088/conor-hoekstra/bqn/ch-1.bqn b/challenge-088/conor-hoekstra/bqn/ch-1.bqn
index 5bdeb4fe6a..b3301e84ee 100644
--- a/challenge-088/conor-hoekstra/bqn/ch-1.bqn
+++ b/challenge-088/conor-hoekstra/bqn/ch-1.bqn
@@ -8,3 +8,13 @@ Solution ← ×´÷⊢
 # Tests 
 Solution 5‿2‿1‿4‿3  # ⟨ 24 60 120 30 40 ⟩
 Solution 2‿1‿4‿3    # ⟨ 12 24 6 8 ⟩
+
+# Alternative Solution (that works for 0s)
+
+PreScan          ← ×`¯1↓1∾⊢
+ArraryOfProducts ← PreScan⌾⌽ × PreScan
+
+ArraryOfProducts 5‿2‿1‿4‿3 # ⟨ 24 60 120 30 40 ⟩
+ArraryOfProducts 2‿1‿4‿3    # ⟨ 12 24 6 8 ⟩ 
+ArraryOfProducts 5‿2‿0‿4‿3 # ⟨ 0 0 120 0 0 ⟩
+ArraryOfProducts ⟨⟩            # ⟨⟩
-- 
cgit