"For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby."
0001
Two Sum Easy
Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table
51
97.89
0002
Add Two Numbers Medium
Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion
88
93.29
Day 20 Heap Priority Queue Day 21 Heap Priority Queue Day 7 Breadth First Search Depth First Search Day 8 Breadth First Search Depth First Search Day 9 Breadth First Search Depth First Search Day 10 Recursion Backtracking Day 11 Recursion Backtracking Day 12 Dynamic Programming Day 6 Breadth First Search Depth First Search Day 7 Breadth First Search Depth First Search Day 8 Breadth First Search Depth First Search Day 9 Recursion Backtracking Day 10 Recursion Backtracking Day 11 Recursion Backtracking Day 12 Dynamic Programming Day 13 Dynamic Programming Day 14 Dynamic Programming Day 15 Dynamic Programming Day 16 Dynamic Programming Day 17 Dynamic Programming Day 18 Dynamic Programming Day 3 Conditional Statements Day 10 Linked List and Tree Day 11 Containers and Libraries
0002
Add Two Numbers Medium
Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion
88
93.29
Day 1 Matrix Related Problems Day 2 Matrix Related Problems Day 3 Matrix Related Problems Day 4 Matrix Related Problems Day 5 Matrix Related Problems Day 6 Matrix Related Problems Day 10 Standard Traversal Day 11 Breadth First Search Day 12 Breadth First Search Day 3 String Processing Functions Day 10 Dynamic Programming Day 11 Dynamic Programming Day 12 Sliding Window/Two Pointer
0001
Two Sum Easy
Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table
51
97.89
Day 1 Implementation/Simulation Day 12 Dynamic Programming Day 13 Dynamic Programming Day 14 Sliding Window/Two Pointer Day 20 Brute Force/Backtracking
0001
Two Sum Easy
Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table
51
97.89
Udemy Dynamic Programming
0010
Regular Expression Matching Hard
Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Recursion
69
92.65
Udemy Backtracking/Recursion
#
Title
Difficulty
Tag
Time, ms
Time, %
0010
Regular Expression Matching Hard
Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Recursion, Udemy_Dynamic_Programming
69
92.65
0009
Palindrome Number Easy
Math, Udemy_Integers
137
88.64
0008
String to Integer (atoi) Medium
Top_Interview_Questions, String
56
99.01
0007
Reverse Integer Medium
Top_Interview_Questions, Math, Udemy_Integers
56
95.68
0006
Zigzag Conversion Medium
String
64
95.38
0005
Longest Palindromic Substring Medium
Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Data_Structure_II_Day_9_String, Algorithm_II_Day_14_Dynamic_Programming, Dynamic_Programming_I_Day_17, Udemy_Strings
480
35.37
0004
Median of Two Sorted Arrays Hard
Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Divide_and_Conquer
86
92.15
0003
Longest Substring Without Repeating Characters Medium
Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Sliding_Window, Algorithm_I_Day_6_Sliding_Window, Level_2_Day_14_Sliding_Window/Two_Pointer, Udemy_Strings
81
68.46
0002
Add Two Numbers Medium
Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion, Data_Structure_II_Day_10_Linked_List, Programming_Skills_II_Day_15
88
93.29
0001
Two Sum Easy
Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Data_Structure_I_Day_2_Array, Level_1_Day_13_Hashmap, Udemy_Arrays
51
97.89