Changes for Google questions

Author: whichrakesh

Google Questions/Container With Most Water.js

@@ -0,0 +1,18 @@
+/**
+ * @param {number[]} height
+ * @return {number}
+ */
+var maxArea = function(height) {
+    let p1 = 0, p2 = height.length - 1;
+    let maxArea = 0;
+    while(p1 != p2){
+        if(height[p1] < height[p2]){
+            maxArea = Math.max((p2 - p1) * height[p1], maxArea); 
+            p1++;
+        } else {
+            maxArea = Math.max((p2 - p1) * height[p2], maxArea); 
+            p2--;
+        }
+    }
+    return maxArea;
+};

Google Questions/Longest Substring Without Repeating Characters.js

@@ -0,0 +1,18 @@
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var lengthOfLongestSubstring = function(s) {
+    let charMap = {}, maxLength = 0, curLength = 0;
+    for(let i=0; i<s.length; i++){
+        if(charMap[s[i]] == null || charMap[s[i]] < i - curLength){
+            charMap[s[i]] = i;
+            curLength++;
+        } else {
+            curLength = i - charMap[s[i]];
+            charMap[s[i]] = i;
+        }
+        maxLength = Math.max(maxLength, curLength);
+    }
+    return maxLength;
+};