Linked List problems

Author: abhiabhi

src/main/java/com/arrays/MinimumPlatforms_Greedy.java

@@ -48,7 +48,7 @@ static int findPlatform(int arr[], int dep[], int n) {
         while (i < n && j < n) { /** end the loop when any one iterator completes any one array.*/
             // If next event in sorted order is arrival,
             // increment count of platforms needed
-            if (arr[i] <= dep[j])  /**means one more train can before any train could depart so increment the max_platfroms */ {
+            if (arr[i] <= dep[j])  /**means one more train came before any train could depart so increment the max_platfroms */ {
                 max_platforms_so_far++;
                 i++;
 

src/main/java/com/arrays/TripletSumInArray_Sorting_TwoPointerAlgo.java

@@ -40,8 +40,8 @@ public static void find_all_triplets(int[] arr, int sum) {
         int left;
         int right;
         for (int i = 0; i < n - 2; i++) {
-            left = i + 1;
-            right = n - 1;
+            left = i + 1; //cursor starting from front
+            right = n - 1; // cursor starting from end
             while (left < right) {
                 int tempSum = arr[i] + arr[left] + arr[right];
                 if (tempSum == sum) {