Sum Array

Author: highflyer910

twosum.js

@@ -0,0 +1,15 @@
+function twoSum(numArray, sum) {
+  var pairs = [];
+  var hashTable = [];
+ 
+  for (var i = 0; i < numArray.length; i++) {
+    var currNum = numArray[i];
+    var counterpart = sum - currNum;
+    if (hashTable.indexOf(counterpart) !== -1) {
+      pairs.push([ currNum, counterpart ]);
+    }
+    hashTable.push(currNum);
+  }
+  
+  return pairs;
+}