Added exec time 869-882.

Author: javadev

src.save/main/java/g0801_0900/s0869_reordered_power_of_2/Solution.java

@@ -1,6 +1,7 @@
 package g0801_0900.s0869_reordered_power_of_2;
 
 // #Medium #Math #Sorting #Counting #Enumeration
+// #2022_03_28_Time_9_ms_(25.97%)_Space_42.8_MB_(11.69%)
 
 import java.util.HashMap;
 import java.util.Map;

src.save/main/java/g0801_0900/s0870_advantage_shuffle/Solution.java

@@ -1,6 +1,6 @@
 package g0801_0900.s0870_advantage_shuffle;
 
-// #Medium #Array #Sorting #Greedy
+// #Medium #Array #Sorting #Greedy #2022_03_28_Time_188_ms_(28.01%)_Space_116.9_MB_(5.12%)
 
 import java.util.ArrayDeque;
 import java.util.ArrayList;

src.save/main/java/g0801_0900/s0871_minimum_number_of_refueling_stops/Solution.java

@@ -1,6 +1,7 @@
 package g0801_0900.s0871_minimum_number_of_refueling_stops;
 
 // #Hard #Array #Dynamic_Programming #Greedy #Heap_Priority_Queue
+// #2022_03_28_Time_3_ms_(88.52%)_Space_48.8_MB_(60.04%)
 
 import java.util.PriorityQueue;
 

src.save/main/java/g0801_0900/s0872_leaf_similar_trees/Solution.java

@@ -1,12 +1,28 @@
 package g0801_0900.s0872_leaf_similar_trees;
 
 // #Easy #Depth_First_Search #Tree #Binary_Tree
+// #2022_03_28_Time_0_ms_(100.00%)_Space_41.8_MB_(64.12%)
 
 import com_github_leetcode.TreeNode;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 
+/*
+ * Definition for a binary tree node.
+ * public class TreeNode {
+ * int val;
+ * TreeNode left;
+ * TreeNode right;
+ * TreeNode() {}
+ * TreeNode(int val) { this.val = val; }
+ * TreeNode(int val, TreeNode left, TreeNode right) {
+ * this.val = val;
+ * this.left = left;
+ * this.right = right;
+ * }
+ * }
+ */
 public class Solution {
  public boolean leafSimilar(TreeNode root1, TreeNode root2) {
  List<Integer> list1 = new ArrayList<>();

src.save/main/java/g0801_0900/s0873_length_of_longest_fibonacci_subsequence/Solution.java

@@ -1,6 +1,7 @@
 package g0801_0900.s0873_length_of_longest_fibonacci_subsequence;
 
 // #Medium #Array #Hash_Table #Dynamic_Programming
+// #2022_03_28_Time_120_ms_(92.64%)_Space_115.6_MB_(63.42%)
 
 public class Solution {
  public int lenLongestFibSubseq(int[] arr) {

src.save/main/java/g0801_0900/s0874_walking_robot_simulation/Solution.java

@@ -1,6 +1,6 @@
 package g0801_0900.s0874_walking_robot_simulation;
 
-// #Medium #Array #Simulation
+// #Medium #Array #Simulation #2022_03_28_Time_16_ms_(93.75%)_Space_50.9_MB_(75.89%)
 
 import java.util.HashMap;
 import java.util.Map;

src.save/main/java/g0801_0900/s0875_koko_eating_bananas/Solution.java

@@ -1,6 +1,6 @@
 package g0801_0900.s0875_koko_eating_bananas;
 
-// #Medium #Array #Binary_Search
+// #Medium #Array #Binary_Search #2022_03_28_Time_15_ms_(91.32%)_Space_55_MB_(6.01%)
 
 public class Solution {
  public int minEatingSpeed(int[] piles, int h) {

src.save/main/java/g0801_0900/s0876_middle_of_the_linked_list/Solution.java

@@ -1,9 +1,21 @@
 package g0801_0900.s0876_middle_of_the_linked_list;
 
-// #Easy #Two_Pointers #Linked_List
+// #Easy #Two_Pointers #Linked_List #Algorithm_I_Day_5_Two_Pointers
+// #Programming_Skills_I_Day_10_Linked_List_&_Tree
+// #2022_03_28_Time_0_ms_(100.00%)_Space_42_MB_(26.38%)
 
 import com_github_leetcode.ListNode;
 
+/*
+ * Definition for singly-linked list.
+ * public class ListNode {
+ * int val;
+ * ListNode next;
+ * ListNode() {}
+ * ListNode(int val) { this.val = val; }
+ * ListNode(int val, ListNode next) { this.val = val; this.next = next; }
+ * }
+ */
 public class Solution {
  public ListNode middleNode(ListNode head) {
  ListNode fast = head;

src.save/main/java/g0801_0900/s0877_stone_game/Solution.java

@@ -1,6 +1,7 @@
 package g0801_0900.s0877_stone_game;
 
 // #Medium #Array #Dynamic_Programming #Math #Game_Theory
+// #2022_03_28_Time_0_ms_(100.00%)_Space_41.7_MB_(79.95%)
 
 public class Solution {
  public boolean stoneGame(int[] piles) {

src.save/main/java/g0801_0900/s0878_nth_magical_number/Solution.java

@@ -1,6 +1,6 @@
 package g0801_0900.s0878_nth_magical_number;
 
-// #Hard #Math #Binary_Search
+// #Hard #Math #Binary_Search #2022_03_28_Time_0_ms_(100.00%)_Space_39_MB_(90.59%)
 
 @SuppressWarnings("java:S3518")
 public class Solution {