Update comments regarding time and space complexity to clarify

Author: yolophg

clone-graph/yolophg.js

@@ -1,4 +1,4 @@
-// Time Complexity: O(N + E) Node + Edge
+// Time Complexity: O(N + E) N = Node + E = Edge
 // Space Complexity: O(N + E)
 
 var cloneGraph = function (node) {

course-schedule/yolophg.js

@@ -1,4 +1,4 @@
-// Time Complexity: O(numCourses * E)
+// Time Complexity: O(numCourses * E) E = Edge
 // Space Complexity: O(numCourses * E)
 
 // initialize an array to keep track of the in-degrees for each course

design-add-and-search-words-data-structure/yoloophg.js

@@ -1,5 +1,5 @@
-// AddWord Method : Time Complexity: O(L)/Space Complexity: O(L)
-// Search Method : Time Complexity: O(M)/Space Complexity: O(1)
+// AddWord Method : Time Complexity: O(L)/Space Complexity: O(L) L = the length of the word being added
+// Search Method : Time Complexity: O(M)/Space Complexity: O(1) M = the length of the word being searched
 // SearchInNode Method : Time Complexity: O(M)/Space Complexity: O(1)
 
 var WordDictionary = function () {

number-of-islands/yolophg.js

@@ -1,4 +1,4 @@
-// Time Complexity: O(m * n)
+// Time Complexity: O(m * n) m = rows n = cols
 // Space Complexity: O(m * n)
 
 var numIslands = function (grid) {