From 261511f44c5f2c87083bc15b6c5c2e82305b3684 Mon Sep 17 00:00:00 2001
From: Colin McMillen <colin@semicolin.games>
Date: Wed, 18 Nov 2020 18:23:26 -0500
Subject: [PATCH] solve problem 9

---
 Program.cs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/Program.cs b/Program.cs
index 1c6a726..65f1064 100644
--- a/Program.cs
+++ b/Program.cs
@@ -194,8 +194,26 @@ namespace Euler {
       return maxProduct;
     }
 
+    [Fact]
+    static long Problem9() {
+      for (int a = 1; a <= 333; a++) {
+        for (int b = a + 1; b < 1000 - a; b++) {
+          int c = 1000 - b - a;
+          if (c < b) {
+            break;
+          }
+          if (a * a + b * b == c * c) {
+            int result = a * b * c;
+            Assert.Equal(31875000, result);
+            return result;
+          }
+        }
+      }
+      return 0;
+    }
+
     static void Main(string[] args) {
-      WriteLine(Problem8());
+      WriteLine(Problem9());
     }
   }
 }