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LeetCode 75 Study Plan to Ace Interviews
LeetCode 75 Study Plan to Ace Interviews
14 Days Study Plan to Crack Algo
14 Days Study Plan to Crack Algo
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2 Weeks Study Plan to Tackle DS
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SQL Study Plan
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Ultimate DP Study Plan
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Complete and win badges
Array1147
String551
Hash Table393
Dynamic Programming384
Math364
Sorting255
Depth-First Search251
Greedy248
Database208
Breadth-First Search198
Tree192
Binary Search188
Matrix171
Binary Tree159
Two Pointers150
Bit Manipulation139
Stack129
Design114
Heap (Priority Queue)110
Graph102
Simulation98
Backtracking91
Prefix Sum90
Counting83
Sliding Window72
Linked List69
Union Find64
Monotonic Stack45
Ordered Set44
Recursion44
Trie41
Binary Search Tree40
Enumeration38
Divide and Conquer38
Bitmask37
Queue32
Memoization32
Geometry30
Topological Sort28
Segment Tree27
Game Theory24
Hash Function24
Binary Indexed Tree21
Interactive18
String Matching17
Rolling Hash17
Shortest Path16
Data Stream16
Number Theory15
Combinatorics15
Randomized12
Monotonic Queue9
Iterator9
Merge Sort9
Concurrency9
Doubly-Linked List8
Brainteaser8
Probability and Statistics7
Quickselect6
Bucket Sort6
Suffix Array6
Minimum Spanning Tree5
Counting Sort5
Shell4
Line Sweep4
Reservoir Sampling4
Eulerian Circuit3
Strongly Connected Component2
Radix Sort2
Rejection Sampling2
Biconnected Component1
Expand
All Topics
Algorithms
Database
Shell
Concurrency
Status
Title
Solution
Acceptance
Difficulty
Frequency
1. Two Sum
48.8%
Easy
2. Add Two Numbers
39.1%
Medium
3. Longest Substring Without Repeating Characters
33.5%
Medium
4. Median of Two Sorted Arrays
34.5%
Hard
5. Longest Palindromic Substring
32.2%
Medium
6. Zigzag Conversion
42.1%
Medium
7. Reverse Integer
26.9%
Medium
8. String to Integer (atoi)
16.6%
Medium
9. Palindrome Number
52.6%
Easy
10. Regular Expression Matching
28.3%
Hard
11. Container With Most Water
54.1%
Medium
12. Integer to Roman
59.9%
Medium
13. Roman to Integer
57.9%
Easy
14. Longest Common Prefix
40.0%
Easy
15. 3Sum
31.6%
Medium
16. 3Sum Closest
46.7%
Medium
17. Letter Combinations of a Phone Number
54.7%
Medium
18. 4Sum
37.2%
Medium
19. Remove Nth Node From End of List
38.8%
Medium
20. Valid Parentheses
40.9%
Easy
21. Merge Two Sorted Lists
61.0%
Easy
22. Generate Parentheses
70.8%
Medium
23. Merge k Sorted Lists
47.6%
Hard
24. Swap Nodes in Pairs
59.4%
Medium
25. Reverse Nodes in k-Group
52.1%
Hard
26. Remove Duplicates from Sorted Array
49.5%
Easy
27. Remove Element
51.6%
Easy
28. Implement strStr()
36.6%
Easy
29. Divide Two Integers
17.5%
Medium
30. Substring with Concatenation of All Words
28.4%
Hard
31. Next Permutation
36.7%
Medium
32. Longest Valid Parentheses
32.4%
Hard
33. Search in Rotated Sorted Array
38.1%
Medium
34. Find First and Last Position of Element in Sorted Array
40.4%
Medium
35. Search Insert Position
42.2%
Easy
36. Valid Sudoku
55.8%
Medium
37. Sudoku Solver
55.2%
Hard
38. Count and Say
49.2%
Medium
39. Combination Sum
66.4%
Medium
40. Combination Sum II
52.8%
Medium
41. First Missing Positive
36.2%
Hard
42. Trapping Rain Water
57.3%
Hard
43. Multiply Strings
38.2%
Medium
44. Wildcard Matching
26.7%
Hard
45. Jump Game II
37.8%
Medium
46. Permutations
73.3%
Medium
47. Permutations II
55.9%
Medium
48. Rotate Image
67.7%
Medium
49. Group Anagrams
64.9%
Medium
50. Pow(x, n)
32.6%
Medium
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