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‎README.md

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‎src/main/php/g0001_0100/s0001_two_sum/Solution.php

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namespace leetcode\g0001_0100\s0001_two_sum;
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// #Easy #Top_100_Liked_Questions #Top_Interview_Questions #Array #Hash_Table
6-
// #Data_Structure_I_Day_2_Array #Level_1_Day_13_Hashmap #Udemy_Arrays #Big_O_Time_O(n)_Space_O(n)
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// #Data_Structure_I_Day_2_Array #Level_1_Day_13_Hashmap #Udemy_Arrays #Top_Interview_150_Hashmap
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// #Big_O_Time_O(n)_Space_O(n) #AI_can_be_used_to_solve_the_task
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// #2023_11_29_Time_9_ms_(97.47%)_Space_19.8_MB_(77.40%)
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class Solution {

‎src/main/php/g0001_0100/s0002_add_two_numbers/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Math #Linked_List #Recursion
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// #Data_Structure_II_Day_10_Linked_List #Programming_Skills_II_Day_15
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// #Big_O_Time_O(max(N,M))_Space_O(max(N,M)) #2023_11_29_Time_13_ms_(73.83%)_Space_19.2_MB_(38.29%)
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// #Top_Interview_150_Linked_List #Big_O_Time_O(max(N,M))_Space_O(max(N,M))
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// #AI_can_be_used_to_solve_the_task #2023_11_29_Time_13_ms_(73.83%)_Space_19.2_MB_(38.29%)
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use leetcode\com_github_leetcode\ListNode;
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‎src/main/php/g0001_0100/s0003_longest_substring_without_repeating_characters/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #String #Hash_Table #Sliding_Window
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// #Algorithm_I_Day_6_Sliding_Window #Level_2_Day_14_Sliding_Window/Two_Pointer #Udemy_Strings
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// #Big_O_Time_O(n)_Space_O(1) #2023_12_03_Time_4_ms_(99.33%)_Space_19.1_MB_(68.83%)
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// #Top_Interview_150_Sliding_Window #Big_O_Time_O(n)_Space_O(1) #AI_can_be_used_to_solve_the_task
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// #2023_12_03_Time_4_ms_(99.33%)_Space_19.1_MB_(68.83%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0004_median_of_two_sorted_arrays/Solution.php

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namespace leetcode\g0001_0100\s0004_median_of_two_sorted_arrays;
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// #Hard #Top_100_Liked_Questions #Top_Interview_Questions #Array #Binary_Search #Divide_and_Conquer
6-
// #Big_O_Time_O(log(min(N,M)))_Space_O(1) #2023_12_03_Time_23_ms_(88.34%)_Space_19.1_MB_(87.47%)
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// #Top_Interview_150_Binary_Search #Big_O_Time_O(log(min(N,M)))_Space_O(1)
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// #AI_can_be_used_to_solve_the_task #2023_12_03_Time_23_ms_(88.34%)_Space_19.1_MB_(87.47%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0005_longest_palindromic_substring/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #String #Dynamic_Programming
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// #Data_Structure_II_Day_9_String #Algorithm_II_Day_14_Dynamic_Programming
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// #Dynamic_Programming_I_Day_17 #Udemy_Strings #Big_O_Time_O(n)_Space_O(n)
8-
// #2023_12_03_Time_13_ms_(98.57%)_Space_19.4_MB_(12.54%)
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// #Dynamic_Programming_I_Day_17 #Udemy_Strings #Top_Interview_150_Multidimensional_DP
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// #Big_O_Time_O(n)_Space_O(n) #2023_12_03_Time_13_ms_(98.57%)_Space_19.4_MB_(12.54%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0006_zigzag_conversion/Solution.php

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namespace leetcode\g0001_0100\s0006_zigzag_conversion;
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// #Medium #String #2023_12_03_Time_12_ms_(80.63%)_Space_19.3_MB_(57.66%)
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// #Medium #String #Top_Interview_150_Array/String
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// #2023_12_03_Time_12_ms_(80.63%)_Space_19.3_MB_(57.66%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0009_palindrome_number/Solution.php

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namespace leetcode\g0001_0100\s0009_palindrome_number;
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// #Easy #Math #Udemy_Integers #2023_12_03_Time_23_ms_(76.73%)_Space_19.4_MB_(5.93%)
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// #Easy #Math #Udemy_Integers #Top_Interview_150_Math
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// #2023_12_03_Time_23_ms_(76.73%)_Space_19.4_MB_(5.93%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0010_regular_expression_matching/Solution.php

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namespace leetcode\g0001_0100\s0010_regular_expression_matching;
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// #Hard #Top_100_Liked_Questions #Top_Interview_Questions #String #Dynamic_Programming #Recursion
6-
// #Udemy_Dynamic_Programming #Big_O_Time_O(m*n)_Space_O(m*n)
7-
// #2023_12_03_Time_10_ms_(64.52%)_Space_19.3_MB_(61.29%)
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// #Hard #Top_Interview_Questions #String #Dynamic_Programming #Recursion #Udemy_Dynamic_Programming
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// #Big_O_Time_O(m*n)_Space_O(m*n) #2023_12_03_Time_10_ms_(64.52%)_Space_19.3_MB_(61.29%)
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class Solution {
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private $cache;

‎src/main/php/g0001_0100/s0011_container_with_most_water/Solution.php

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namespace leetcode\g0001_0100\s0011_container_with_most_water;
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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Greedy #Two_Pointers
6-
// #Algorithm_II_Day_4_Two_Pointers #Big_O_Time_O(n)_Space_O(1)
7-
// #2023_12_07_Time_177_ms_(88.58%)_Space_31.7_MB_(66.67%)
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// #LeetCode_75_Two_Pointers #Algorithm_II_Day_4_Two_Pointers #Top_Interview_150_Two_Pointers
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// #Big_O_Time_O(n)_Space_O(1) #2023_12_07_Time_177_ms_(88.58%)_Space_31.7_MB_(66.67%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0015_3sum/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Sorting #Two_Pointers
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// #Data_Structure_II_Day_1_Array #Algorithm_II_Day_3_Two_Pointers #Udemy_Two_Pointers
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// #Big_O_Time_O(n*log(n))_Space_O(n^2) #2024_01_12_Time_243_ms_(81.45%)_Space_26.7_MB_(79.84%)
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// #Top_Interview_150_Two_Pointers #Big_O_Time_O(n*log(n))_Space_O(n^2)
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// #2024_01_12_Time_243_ms_(81.45%)_Space_26.7_MB_(79.84%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0017_letter_combinations_of_a_phone_number/Solution.php

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namespace leetcode\g0001_0100\s0017_letter_combinations_of_a_phone_number;
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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #String #Hash_Table #Backtracking
6-
// #Algorithm_II_Day_11_Recursion_Backtracking #Udemy_Backtracking/Recursion
7-
// #Big_O_Time_O(4^n)_Space_O(n) #2023_12_07_Time_5_ms_(60.19%)_Space_19.1_MB_(59.26%)
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// #LeetCode_75_Backtracking #Algorithm_II_Day_11_Recursion_Backtracking
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// #Udemy_Backtracking/Recursion #Top_Interview_150_Backtracking #Big_O_Time_O(4^n)_Space_O(n)
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// #2023_12_07_Time_5_ms_(60.19%)_Space_19.1_MB_(59.26%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0019_remove_nth_node_from_end_of_list/Solution.php

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namespace leetcode\g0001_0100\s0019_remove_nth_node_from_end_of_list;
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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Two_Pointers #Linked_List
6-
// #Algorithm_I_Day_5_Two_Pointers #Level_2_Day_3_Linked_List #Big_O_Time_O(L)_Space_O(L)
7-
// #2023_12_07_Time_4_ms_(81.93%)_Space_18.9_MB_(91.57%)
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// #Algorithm_I_Day_5_Two_Pointers #Level_2_Day_3_Linked_List #Top_Interview_150_Linked_List
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// #Big_O_Time_O(L)_Space_O(L) #2023_12_07_Time_4_ms_(81.93%)_Space_18.9_MB_(91.57%)
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use leetcode\com_github_leetcode\ListNode;
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‎src/main/php/g0001_0100/s0020_valid_parentheses/Solution.php

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namespace leetcode\g0001_0100\s0020_valid_parentheses;
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// #Easy #Top_100_Liked_Questions #Top_Interview_Questions #String #Stack
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// #Data_Structure_I_Day_9_Stack_Queue #Udemy_Strings #Big_O_Time_O(n)_Space_O(n)
7-
// #2023_12_07_Time_3_ms_(88.14%)_Space_19.1_MB_(76.99%)
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// #Data_Structure_I_Day_9_Stack_Queue #Udemy_Strings #Top_Interview_150_Stack
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// #Big_O_Time_O(n)_Space_O(n) #2023_12_07_Time_3_ms_(88.14%)_Space_19.1_MB_(76.99%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0021_merge_two_sorted_lists/Solution.php

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// #Easy #Top_100_Liked_Questions #Top_Interview_Questions #Linked_List #Recursion
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// #Data_Structure_I_Day_7_Linked_List #Algorithm_I_Day_10_Recursion_Backtracking
7-
// #Level_1_Day_3_Linked_List #Udemy_Linked_List #Big_O_Time_O(m+n)_Space_O(m+n)
8-
// #2023_12_07_Time_3_ms_(90.57%)_Space_19.4_MB_(12.46%)
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// #Level_1_Day_3_Linked_List #Udemy_Linked_List #Top_Interview_150_Linked_List
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// #Big_O_Time_O(m+n)_Space_O(m+n) #2023_12_07_Time_3_ms_(90.57%)_Space_19.4_MB_(12.46%)
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use leetcode\com_github_leetcode\ListNode;
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‎src/main/php/g0001_0100/s0022_generate_parentheses/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #String #Dynamic_Programming
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// #Backtracking #Algorithm_II_Day_11_Recursion_Backtracking #Udemy_Backtracking/Recursion
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// #Big_O_Time_O(2^n)_Space_O(n) #2023_12_07_Time_4_ms_(83.67%)_Space_19.1_MB_(100.00%)
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// #Top_Interview_150_Backtracking #Big_O_Time_O(2^n)_Space_O(n)
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// #2023_12_07_Time_4_ms_(83.67%)_Space_19.1_MB_(100.00%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0023_merge_k_sorted_lists/Solution.php

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namespace leetcode\g0001_0100\s0023_merge_k_sorted_lists;
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// #Hard #Top_100_Liked_Questions #Top_Interview_Questions #Heap_Priority_Queue #Linked_List
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// #Divide_and_Conquer #Merge_Sort #Big_O_Time_O(k*n*log(k))_Space_O(log(k))
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// #2023_12_07_Time_19_ms_(84.54%)_Space_27.4_MB_(8.25%)
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// #Divide_and_Conquer #Merge_Sort #Top_Interview_150_Divide_and_Conquer
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// #Big_O_Time_O(k*n*log(k))_Space_O(log(k)) #2023_12_07_Time_19_ms_(84.54%)_Space_27.4_MB_(8.25%)
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use leetcode\com_github_leetcode\ListNode;
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‎src/main/php/g0001_0100/s0025_reverse_nodes_in_k_group/Solution.php

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namespace leetcode\g0001_0100\s0025_reverse_nodes_in_k_group;
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// #Hard #Top_100_Liked_Questions #Linked_List #Recursion #Data_Structure_II_Day_13_Linked_List
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// #Udemy_Linked_List #Big_O_Time_O(n)_Space_O(k)
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// #Udemy_Linked_List #Top_Interview_150_Linked_List #Big_O_Time_O(n)_Space_O(k)
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// #2023_12_07_Time_3_ms_(100.00%)_Space_20.4_MB_(68.18%)
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use leetcode\com_github_leetcode\ListNode;

‎src/main/php/g0001_0100/s0033_search_in_rotated_sorted_array/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Binary_Search
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// #Algorithm_II_Day_1_Binary_Search #Binary_Search_I_Day_11 #Level_2_Day_8_Binary_Search
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// #Udemy_Binary_Search #Big_O_Time_O(log_n)_Space_O(1)
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// #Udemy_Binary_Search #Top_Interview_150_Binary_Search #Big_O_Time_O(log_n)_Space_O(1)
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// #2023_12_09_Time_7_ms_(83.17%)_Space_19.1_MB_(83.17%)
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class Solution {

‎src/main/php/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array/Solution.php

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namespace leetcode\g0001_0100\s0034_find_first_and_last_position_of_element_in_sorted_array;
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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Binary_Search
6-
// #Algorithm_II_Day_1_Binary_Search #Binary_Search_I_Day_5 #Big_O_Time_O(log_n)_Space_O(1)
7-
// #2023_12_09_Time_19_ms_(81.01%)_Space_23.5_MB_(22.78%)
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// #Algorithm_II_Day_1_Binary_Search #Binary_Search_I_Day_5 #Top_Interview_150_Binary_Search
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// #Big_O_Time_O(log_n)_Space_O(1) #2023_12_09_Time_19_ms_(81.01%)_Space_23.5_MB_(22.78%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0035_search_insert_position/Solution.php

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namespace leetcode\g0001_0100\s0035_search_insert_position;
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// #Easy #Top_100_Liked_Questions #Array #Binary_Search #Algorithm_I_Day_1_Binary_Search
6-
// #Binary_Search_I_Day_2 #Big_O_Time_O(log_n)_Space_O(1)
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// #Binary_Search_I_Day_2 #Top_Interview_150_Binary_Search #Big_O_Time_O(log_n)_Space_O(1)
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// #2023_12_09_Time_8_ms_(85.09%)_Space_19.7_MB_(64.77%)
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class Solution {

‎src/main/php/g0001_0100/s0039_combination_sum/Solution.php

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// #Medium #Top_100_Liked_Questions #Array #Backtracking #Algorithm_II_Day_10_Recursion_Backtracking
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// #Level_2_Day_20_Brute_Force/Backtracking #Udemy_Backtracking/Recursion
7-
// #Big_O_Time_O(2^n)_Space_O(n+2^n) #2023_12_09_Time_11_ms_(87.10%)_Space_19.5_MB_(19.36%)
7+
// #Top_Interview_150_Backtracking #Big_O_Time_O(2^n)_Space_O(n+2^n)
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// #2023_12_09_Time_11_ms_(87.10%)_Space_19.5_MB_(19.36%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0042_trapping_rain_water/Solution.php

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// #Hard #Top_100_Liked_Questions #Top_Interview_Questions #Array #Dynamic_Programming #Two_Pointers
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// #Stack #Monotonic_Stack #Dynamic_Programming_I_Day_9 #Udemy_Two_Pointers
7-
// #Big_O_Time_O(n)_Space_O(1) #2023_12_09_Time_29_ms_(69.15%)_Space_21.5_MB_(97.87%)
7+
// #Top_Interview_150_Array/String #Big_O_Time_O(n)_Space_O(1)
8+
// #2023_12_09_Time_29_ms_(69.15%)_Space_21.5_MB_(97.87%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0045_jump_game_ii/Solution.php

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// #Medium #Top_100_Liked_Questions #Array #Dynamic_Programming #Greedy
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// #Algorithm_II_Day_13_Dynamic_Programming #Dynamic_Programming_I_Day_4
7-
// #Big_O_Time_O(n)_Space_O(1) #2023_12_09_Time_31_ms_(63.46%)_Space_20.5_MB_(81.73%)
7+
// #Top_Interview_150_Array/String #Big_O_Time_O(n)_Space_O(1)
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// #2023_12_09_Time_31_ms_(63.46%)_Space_20.5_MB_(81.73%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0046_permutations/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Backtracking
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// #Algorithm_I_Day_11_Recursion_Backtracking #Level_2_Day_20_Brute_Force/Backtracking
7-
// #Udemy_Backtracking/Recursion #Big_O_Time_O(n*n!)_Space_O(n+n!)
7+
// #Udemy_Backtracking/Recursion #Top_Interview_150_Backtracking #Big_O_Time_O(n*n!)_Space_O(n+n!)
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// #2023_12_09_Time_4_ms_(92.42%)_Space_19.2_MB_(92.42%)
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class Solution {

‎src/main/php/g0001_0100/s0048_rotate_image/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Math #Matrix
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// #Data_Structure_II_Day_3_Array #Programming_Skills_II_Day_7 #Udemy_2D_Arrays/Matrix
7-
// #Big_O_Time_O(n^2)_Space_O(1) #2023_12_10_Time_4_ms_(81.58%)_Space_19.4_MB_(10.53%)
7+
// #Top_Interview_150_Matrix #Big_O_Time_O(n^2)_Space_O(1)
8+
// #2023_12_10_Time_4_ms_(81.58%)_Space_19.4_MB_(10.53%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0049_group_anagrams/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #String #Hash_Table #Sorting
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// #Data_Structure_II_Day_8_String #Programming_Skills_II_Day_11 #Udemy_Strings
7-
// #Big_O_Time_O(n*k_log_k)_Space_O(n) #2023_12_10_Time_27_ms_(80.85%)_Space_25.8_MB_(27.66%)
7+
// #Top_Interview_150_Hashmap #Big_O_Time_O(n*k_log_k)_Space_O(n)
8+
// #2023_12_10_Time_27_ms_(80.85%)_Space_25.8_MB_(27.66%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0053_maximum_subarray/Solution.php

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namespace leetcode\g0001_0100\s0053_maximum_subarray;
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// #Easy #Top_100_Liked_Questions #Top_Interview_Questions #Array #Dynamic_Programming
5+
// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Dynamic_Programming
66
// #Divide_and_Conquer #Data_Structure_I_Day_1_Array #Dynamic_Programming_I_Day_5
7-
// #Udemy_Famous_Algorithm #Big_O_Time_O(n)_Space_O(1)
7+
// #Udemy_Famous_Algorithm #Top_Interview_150_Kadane's_Algorithm #Big_O_Time_O(n)_Space_O(1)
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// #2023_12_10_Time_185_ms_(95.51%)_Space_31.8_MB_(91.01%)
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class Solution {

‎src/main/php/g0001_0100/s0055_jump_game/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Dynamic_Programming #Greedy
66
// #Algorithm_II_Day_12_Dynamic_Programming #Dynamic_Programming_I_Day_4 #Udemy_Arrays
7-
// #Big_O_Time_O(n)_Space_O(1) #2023_12_10_Time_129_ms_(74.56%)_Space_20.4_MB_(82.46%)
7+
// #Top_Interview_150_Array/String #Big_O_Time_O(n)_Space_O(1)
8+
// #2023_12_10_Time_129_ms_(74.56%)_Space_20.4_MB_(82.46%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0056_merge_intervals/Solution.php

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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Sorting
66
// #Data_Structure_II_Day_2_Array #Level_2_Day_17_Interval #Udemy_2D_Arrays/Matrix
7-
// #Big_O_Time_O(n_log_n)_Space_O(n) #2023_12_10_Time_48_ms_(80.00%)_Space_33.2_MB_(13.33%)
7+
// #Top_Interview_150_Intervals #Big_O_Time_O(n_log_n)_Space_O(n)
8+
// #2023_12_10_Time_48_ms_(80.00%)_Space_33.2_MB_(13.33%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0062_unique_paths/Solution.php

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namespace leetcode\g0001_0100\s0062_unique_paths;
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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Dynamic_Programming #Math
6-
// #Combinatorics #Algorithm_II_Day_13_Dynamic_Programming #Dynamic_Programming_I_Day_15
7-
// #Level_1_Day_11_Dynamic_Programming #Big_O_Time_O(m*n)_Space_O(m*n)
8-
// #2023_12_10_Time_3_ms_(81.58%)_Space_19.3_MB_(15.79%)
6+
// #Combinatorics #LeetCode_75_DP/Multidimensional #Algorithm_II_Day_13_Dynamic_Programming
7+
// #Dynamic_Programming_I_Day_15 #Level_1_Day_11_Dynamic_Programming
8+
// #Big_O_Time_O(m*n)_Space_O(m*n) #2023_12_10_Time_3_ms_(81.58%)_Space_19.3_MB_(15.79%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0064_minimum_path_sum/Solution.php

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namespace leetcode\g0001_0100\s0064_minimum_path_sum;
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// #Medium #Top_100_Liked_Questions #Array #Dynamic_Programming #Matrix
6-
// #Dynamic_Programming_I_Day_16 #Udemy_Dynamic_Programming #Big_O_Time_O(m*n)_Space_O(m*n)
7-
// #2023_12_10_Time_20_ms_(81.48%)_Space_22.4_MB_(62.96%)
6+
// #Dynamic_Programming_I_Day_16 #Udemy_Dynamic_Programming #Top_Interview_150_Multidimensional_DP
7+
// #Big_O_Time_O(m*n)_Space_O(m*n) #2023_12_10_Time_20_ms_(81.48%)_Space_22.4_MB_(62.96%)
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class Solution {
1010
/**

‎src/main/php/g0001_0100/s0070_climbing_stairs/Solution.php

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// #Easy #Top_100_Liked_Questions #Top_Interview_Questions #Dynamic_Programming #Math #Memoization
66
// #Algorithm_I_Day_12_Dynamic_Programming #Dynamic_Programming_I_Day_2
7-
// #Level_1_Day_10_Dynamic_Programming #Udemy_Dynamic_Programming #Big_O_Time_O(n)_Space_O(n)
8-
// #2023_12_10_Time_3_ms_(82.81%)_Space_19.1_MB_(38.54%)
7+
// #Level_1_Day_10_Dynamic_Programming #Udemy_Dynamic_Programming #Top_Interview_150_1D_DP
8+
// #Big_O_Time_O(n)_Space_O(n) #2023_12_10_Time_3_ms_(82.81%)_Space_19.1_MB_(38.54%)
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class Solution {
1111
/**

‎src/main/php/g0001_0100/s0072_edit_distance/Solution.php

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namespace leetcode\g0001_0100\s0072_edit_distance;
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5-
// #Hard #Top_100_Liked_Questions #String #Dynamic_Programming
5+
// #Medium #Top_100_Liked_Questions #String #Dynamic_Programming #LeetCode_75_DP/Multidimensional
66
// #Algorithm_II_Day_18_Dynamic_Programming #Dynamic_Programming_I_Day_19
7-
// #Udemy_Dynamic_Programming #Big_O_Time_O(n^2)_Space_O(n2)
7+
// #Udemy_Dynamic_Programming #Top_Interview_150_Multidimensional_DP #Big_O_Time_O(n^2)_Space_O(n2)
88
// #2023_12_10_Time_29_ms_(75.00%)_Space_19.1_MB_(93.75%)
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class Solution {

‎src/main/php/g0001_0100/s0073_set_matrix_zeroes/Solution.php

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namespace leetcode\g0001_0100\s0073_set_matrix_zeroes;
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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Hash_Table #Matrix
6-
// #Udemy_2D_Arrays/Matrix #Big_O_Time_O(m*n)_Space_O(1)
6+
// #Udemy_2D_Arrays/Matrix #Top_Interview_150_Matrix #Big_O_Time_O(m*n)_Space_O(1)
77
// #2023_12_10_Time_37_ms_(61.76%)_Space_23.4_MB_(44.12%)
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class Solution {

‎src/main/php/g0001_0100/s0074_search_a_2d_matrix/Solution.php

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// #Medium #Top_100_Liked_Questions #Array #Binary_Search #Matrix #Data_Structure_I_Day_5_Array
66
// #Algorithm_II_Day_1_Binary_Search #Binary_Search_I_Day_8 #Level_2_Day_8_Binary_Search
7-
// #Udemy_2D_Arrays/Matrix #Big_O_Time_O(endRow+endCol)_Space_O(1)
7+
// #Udemy_2D_Arrays/Matrix #Top_Interview_150_Binary_Search #Big_O_Time_O(endRow+endCol)_Space_O(1)
88
// #2023_12_10_Time_9_ms_(68.18%)_Space_19.8_MB_(51.82%)
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class Solution {

‎src/main/php/g0001_0100/s0076_minimum_window_substring/Solution.php

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namespace leetcode\g0001_0100\s0076_minimum_window_substring;
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// #Hard #Top_100_Liked_Questions #Top_Interview_Questions #String #Hash_Table #Sliding_Window
6-
// #Level_2_Day_14_Sliding_Window/Two_Pointer #Big_O_Time_O(s.length())_Space_O(1)
7-
// #2023_12_10_Time_21_ms_(100.00%)_Space_19.5_MB_(89.09%)
6+
// #Level_2_Day_14_Sliding_Window/Two_Pointer #Top_Interview_150_Sliding_Window
7+
// #Big_O_Time_O(s.length())_Space_O(1) #2023_12_10_Time_21_ms_(100.00%)_Space_19.5_MB_(89.09%)
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class Solution {
1010
/**

‎src/main/php/g0001_0100/s0079_word_search/Solution.php

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namespace leetcode\g0001_0100\s0079_word_search;
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// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Matrix #Backtracking
6-
// #Algorithm_II_Day_11_Recursion_Backtracking #Big_O_Time_O(4^(m*n))_Space_O(m*n)
7-
// #2023_12_10_Time_599_ms_(100.00%)_Space_19_MB_(79.49%)
6+
// #Algorithm_II_Day_11_Recursion_Backtracking #Top_Interview_150_Backtracking
7+
// #Big_O_Time_O(4^(m*n))_Space_O(m*n) #2023_12_10_Time_599_ms_(100.00%)_Space_19_MB_(79.49%)
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class Solution {
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/**

‎src/main/php/g0001_0100/s0096_unique_binary_search_trees/Solution.php

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namespace leetcode\g0001_0100\s0096_unique_binary_search_trees;
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5-
// #Medium #Top_100_Liked_Questions #Dynamic_Programming #Math #Tree #Binary_Tree
6-
// #Binary_Search_Tree #Dynamic_Programming_I_Day_11 #Big_O_Time_O(n)_Space_O(1)
5+
// #Medium #Dynamic_Programming #Math #Tree #Binary_Tree #Binary_Search_Tree
6+
// #Dynamic_Programming_I_Day_11 #Big_O_Time_O(n)_Space_O(1)
77
// #2023_12_10_Time_0_ms_(100.00%)_Space_19.1_MB_(44.44%)
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class Solution {

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