pairs negative and positive

Author: manju07

Data-Structure/Hashing/pairsNegativeAndPositive.js

@@ -0,0 +1,16 @@
+'use strict';
+function pairsOfNegativeAndPositives(array) {
+    let hm = new Map();
+    let resultArray = [];
+    for (let index = 0; index < array.length; index++) {
+        if (!hm.has(Math.abs(array[index]))) hm.set(Math.abs(array[index]), 1);
+        else resultArray.push(Math.abs(array[index]));
+    }
+    resultArray.sort((a, b) => a - b);
+    for (let index = 0; index < resultArray.length; index++) {
+        console.log(-resultArray[index], resultArray[index])
+    }
+}
+let array = [4, 8, 9, -4, 1, -1, -8, -9];
+console.log('Negative and Positive Pairs are ');
+pairsOfNegativeAndPositives(array)