return undefined if not match

2019-11-19 16:34:18 +01:00
parent 37b05bf173
commit 7c4d2234f2
1 changed files with 1 additions and 1 deletions
--- a/sum-of-pairs/index.js
+++ b/sum-of-pairs/index.js
@@ -8,5 +8,5 @@ const sum_pairs = (arr, sum) => {
    }
    map[sum - arr[i]] = true;
  }
-  return [];
+  return [][0];
 };