Create Arrays.js

Author: MannyP31

Hackerrank solutions/10 days of js/Arrays.js

@@ -0,0 +1,55 @@
+'use strict';
+
+process.stdin.resume();
+process.stdin.setEncoding('utf-8');
+
+let inputString = '';
+let currentLine = 0;
+
+process.stdin.on('data', inputStdin => {
+    inputString += inputStdin;
+});
+
+process.stdin.on('end', _ => {
+    inputString = inputString.trim().split('\n').map(string => {
+        return string.trim();
+    });
+    
+    main();    
+});
+
+function readLine() {
+    return inputString[currentLine++];
+}
+
+/**
+*   Return the second largest number in the array.
+*   @param {Number[]} nums - An array of numbers.
+*   @return {Number} The second largest number in the array.
+**/
+function getSecondLargest(nums) {
+    // Complete the function
+    let first=nums[0];
+    let second=-1;
+    for(let i=0;i<nums.length;i++)
+{
+       if(nums[i]>first)
+       {
+           second=first;
+           first=nums[i];
+       }
+       if(nums[i]>second && nums[i]<first)
+       {
+           second=nums[i];
+       }
+   }
+   return second;
+}
+
+
+function main() {
+    const n = +(readLine());
+    const nums = readLine().split(' ').map(Number);
+    
+    console.log(getSecondLargest(nums));
+}