Udemy - Cracking Coding Interview Data Structure & Algorithm in 2025 (6.2021)

Creation Time	Oct. 16, 2025, 12:47 a.m.
Last Access Time	Jan. 16, 2026, 12:26 a.m.
File Size	21.4 GB
Keywords	Algorithm - 6 Coding Udemy 2025 2021 Cracking in Interview Data Structure
Total Requests	196
Total Files	550
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70 Data Structure _ HashMap/132 4-iterators.mp4 324.1 MB
12 Remove All Adjacent Duplicates - 2/001 Remove all adjacent duplicates - 2.mp4 301.6 MB
04 String class/001 String class.mp4 292.2 MB
86 Algorithms _ Kruskal/002 Disjoint Set for Cycle Detection.mp4 281.2 MB
70 Data Structure _ HashMap/007 HashMap Implementation Insert.mp4 280.3 MB
11 Remove All Adjacent Duplicates/001 Remove All Adjacent Duplicates.mp4 272.2 MB
54 ZigZag Level Order Traversal/001 ZigZag Level Order Traversal.mp4 252.0 MB
05 Vectors/001 Vectors.mp4 247.3 MB
36 Intersection of List/001 Intersection of List.mp4 243.7 MB
70 Data Structure _ HashMap/010 Rehashing.mp4 242.1 MB
22 Advanced Binary Search _ Find First & Last Occurence/001 Find First & Last Occurence.mp4 238.8 MB
52 Level Order Traversal/001 Level Order Traversal.mp4 238.3 MB
70 Data Structure _ HashMap/004 Iterators.mp4 231.1 MB
69 Data Structure _ Priority Queues/014 K Sorted Array.mp4 226.2 MB
16 Algorithm _ Selection Sort/001 Selection Sort Algorithm ( Explain + Code ).mp4 222.6 MB
34 Set Matrix Zero/001 Set Matrix Zero.mp4 216.1 MB
69 Data Structure _ Priority Queues/010 Remove Min Solution & Complexity Analysis.mp4 210.6 MB
30 Reverse Words in a String/001 Reverse Words in a String.mp4 204.4 MB
60 Validate Binary Search Tree/001 Validate Binary Search Tree.mp4 200.2 MB
14 Recursion Intermediate/003 Check if element is present.mp4 198.9 MB
71 Fibonacci/001 Fibonacci.mp4 193.7 MB
14 Recursion Intermediate/005 Last Index of element.mp4 190.7 MB
07 Evaluate Reverse Polish Notation/001 Evaluate Reverse Polish Notation.mp4 188.9 MB
67 Two Sum/001 Two Sum.mp4 183.5 MB
13 Recursion Basics/001 Introduction to recursion.mp4 183.3 MB
44 Valid Parenthesis/001 Valid Parenthesis.mp4 180.6 MB
61 Construct Tree from PreOrder and Inorder Traversal/002 Construct Tree from PreOrder and Inorder Traversal Solution.mp4 179.8 MB
14 Recursion Intermediate/001 Check if Array is sorted.mp4 179.2 MB
20 Algorithm _ Moore Voting _ Majority Element/001 Majority Element.mp4 177.6 MB
69 Data Structure _ Priority Queues/012 Inplace Heap Sort Solution.mp4 176.8 MB
31 Find Permutation/001 Find Permutation.mp4 172.2 MB
57 Lowest Common Ancestor - BST/001 Lowest Common Ancestor.mp4 170.8 MB
43 Cycle - Find starting point of Cycle/001 Cycle -2.mp4 170.4 MB
80 Shortest Unique Prefix/001 Shortest Unique Prefix.mp4 169.8 MB
82 Number of islands/002 Number of islands Code.mp4 168.2 MB
78 Data Structure _ Trie/160 Trie - search function.mp4 167.3 MB
40 Add 2 number as list/001 Add 2 number as list.mp4 165.7 MB
26 ZigZag Conversion/001 ZigZag Conversion.mp4 165.6 MB
29 Jump Game - 2/001 Jump Game - 2.mp4 163.9 MB
91 Word Ladder/002 Word Ladder code.mp4 160.0 MB
56 Minimum Depth of Binary Tree/001 Minimum Depth of Binary Tree.mp4 157.4 MB
69 Data Structure _ Priority Queues/004 CBT and its Implementation.mp4 155.6 MB
32 Rotate Image/001 Rotate Image.mp4 155.5 MB
41 Partition List/001 Partition List.mp4 155.4 MB
55 Vertical Order Traversal/002 Vertical Order Traversal Code.mp4 154.4 MB
39 Remove nth Node from end of list/001 Remove nth Node from end of list.mp4 153.9 MB
33 Spiral Order Matrix/001 Spiral Order Matrix.mp4 153.9 MB
69 Data Structure _ Priority Queues/011 Inplace Heap Sort.mp4 151.1 MB
25 Advanced Binary Search _ Find Minimum Element in Sorted Rotated Array/001 Find Minimum Element in Sorted Rotated Array.mp4 147.3 MB
69 Data Structure _ Priority Queues/005 Insert & Delete in Heaps.mp4 147.1 MB
23 Advanced Binary Search _ Search in Rotated Sorted Array/001 Search in Rotated Sorted Array.mp4 146.9 MB
70 Data Structure _ HashMap/002 Inbuilt HashMap.mp4 142.6 MB
70 Data Structure _ HashMap/003 Remove Duplicates.mp4 139.2 MB
69 Data Structure _ Priority Queues/015 K smallest Element.mp4 138.9 MB
42 Cycle Detection in Linked List/001 Cycle.mp4 135.9 MB
17 Algorithms _ Bubble Sort/001 Bubble Sort Algorithm ( Explain + Code ).mp4 134.9 MB
64 Diameter of Binary Tree/001 Diameter of Binary Tree.mp4 134.8 MB
28 Jump Game/001 Jump Game.mp4 133.6 MB
95 LRU Cache/001 LRU Cache explain.mp4 132.4 MB
24 Advanced Binary Search _ Implement Square root/001 Implement Square root.mp4 131.6 MB
85 Course Schedule/002 Course Schedule Code.mp4 131.1 MB
86 Algorithms _ Kruskal/001 Introduction.mp4 130.6 MB
70 Data Structure _ HashMap/001 Introduction to Hash Map.mp4 129.5 MB
64 Diameter of Binary Tree/002 Diameter of Binary Tree Better Approach.mp4 129.3 MB
13 Recursion Basics/005 Print Numbers.mp4 128.4 MB
69 Data Structure _ Priority Queues/016 Inbuilt Min Priority Queue.mp4 127.6 MB
78 Data Structure _ Trie/002 Insert in Trie.mp4 127.6 MB
15 Recursion Advanced/006 Print All Subsequences of String.mp4 126.3 MB
92 Rotten Oranges/002 Rotten Oranges Code.mp4 126.0 MB
71 Fibonacci/004 Minimum Steps to 1 Memorization Method.mp4 123.9 MB
94 Merge K sorted List/002 Merge K sorted List code.mp4 123.7 MB
18 Algorithm _ Merge Sort/002 Merge Sort Solution.mp4 123.6 MB
03 Longest Common Prefix/001 Longest Common Prefix.mp4 123.4 MB
35 Search in Row-wise and Column-wise Matrix/001 Search in Matrix.mp4 122.1 MB
14 Recursion Intermediate/002 Sum of Array.mp4 121.3 MB
27 Single Number/001 Single Number.mp4 120.8 MB
78 Data Structure _ Trie/001 Introduction.mp4 120.8 MB
49 Symmetric Binary Tree/001 Symmetric Binary Tree.mp4 120.6 MB
10 Valid Palindrome/001 Valid Palindrome.mp4 119.4 MB
70 Data Structure _ HashMap/006 Collision Handling.mp4 119.2 MB
87 Algorithms _ Prims/001 Introduction + Code.mp4 118.8 MB
38 Middle Node of List - Slow and Fast Pointer Approach/001 Middle Node of List - Slow and Fast Pointer Approach.mp4 118.2 MB
70 Data Structure _ HashMap/005 Bucket Array & Hash Function.mp4 117.7 MB
69 Data Structure _ Priority Queues/008 Implementation - Insert.mp4 115.2 MB
14 Recursion Intermediate/009 Store All Position of element.mp4 114.7 MB
71 Fibonacci/005 Minimization Steps to 1 Bottom Up Method.mp4 111.9 MB
68 Two Sum II/001 Two Sum II.mp4 110.9 MB
21 Algorithms _ Binary Search/004 Binary Search Algorithm (Code).mp4 107.2 MB
70 Data Structure _ HashMap/008 HashMap Implementation Delete & Search.mp4 106.5 MB
77 0-1 Knapsack/001 0-1 Knapsack Recursive.mp4 106.1 MB
89 Shortest Path in Binary Matrix/002 Shortest Path in Binary Matrix Code.mp4 106.0 MB
62 Construct Tree from PostOrder and Inorder Traversal/002 Construct Tree from PostOrder and Inorder Traversal Solution.mp4 104.1 MB
09 Palindrome String/001 Palindrome String.mp4 102.4 MB
21 Algorithms _ Binary Search/001 Linear Search Algorithm ( Explain + Code ).mp4 101.9 MB
61 Construct Tree from PreOrder and Inorder Traversal/001 Construct Tree from PreOrder and Inorder Traversal Introduction.mp4 101.5 MB
69 Data Structure _ Priority Queues/002 Ways to implement Priority Queue.mp4 99.6 MB
51 Maximum Depth of Binary Tree/001 Maximum Depth of Binary Tree.mp4 98.3 MB
53 Reverse Level Order Traversal/001 Reverse Level Order Traversal.mp4 97.4 MB
45 Inorder Traversal/001 Inorder Traversal.mp4 96.1 MB
55 Vertical Order Traversal/001 Vertical Order Traversal Explanation.mp4 95.4 MB
70 Data Structure _ HashMap/009 Time Complexity & Load Factor.mp4 94.7 MB
73 Grid Unique Path/003 Grid Unique Path Optimization.mp4 93.6 MB
71 Fibonacci/003 Minimum Steps to 1 Brute Force Method.mp4 90.1 MB
75 Minimum Distance/001 Minimum Distance Recursive.mp4 89.8 MB
13 Recursion Basics/003 Fibonacci Number.mp4 89.6 MB
81 Paragraph Words Replacement/001 Paragraph Words Replacement.mp4 89.0 MB
13 Recursion Basics/002 Recursion and PMI.mp4 88.1 MB
75 Minimum Distance/002 Minimum Distance DP.mp4 87.2 MB
58 Lowest Common Ancestor Binary Tree/002 Lowest Common Ancestor Binary Tree code.mp4 86.0 MB
19 Algorithm _ Quick Sort/001 Quick Sort Introduction.mp4 86.0 MB
46 PreOrder Traversal/001 PreOrder Traversal.mp4 85.6 MB
95 LRU Cache/002 LRU Cache code.mp4 85.5 MB
02 Reverse String/001 Reverse String.mp4 84.4 MB
74 Longest Common Subsequence/002 Longest Common Subsequence DP.mp4 82.1 MB
69 Data Structure _ Priority Queues/001 Introduction to Priority Queues.mp4 81.8 MB
48 Same Tree/001 Same Tree.mp4 81.7 MB
19 Algorithm _ Quick Sort/002 Quick Sort Solution.mp4 81.7 MB
13 Recursion Basics/006 Numbers of Digits.mp4 80.4 MB
88 Commutable Islands/002 Commutable Islands code.mp4 79.8 MB
93 Algorithm _ Dijikstra/001 Algo _ Dijikstra explain.mp4 78.4 MB
15 Recursion Advanced/012 Print Steps in Tower of Hanoi.mp4 77.3 MB
78 Data Structure _ Trie/003 Search in Trie.mp4 76.6 MB
83 MaxArea of islands/002 MaxArea of islands code.mp4 76.1 MB
69 Data Structure _ Priority Queues/013 Inbuilt Priority Queue.mp4 75.9 MB
13 Recursion Basics/007 Sum of Digits.mp4 75.5 MB
08 Excel Sheet Column Number/001 Excel Sheet Column Number.mp4 74.5 MB
13 Recursion Basics/008 Multiplication.mp4 73.8 MB
92 Rotten Oranges/001 Rotten Oranges Explanation.mp4 72.9 MB
98 Flip the array/001 Flip Explanation.mp4 72.2 MB
77 0-1 Knapsack/002 0-1 Knapsack DP.mp4 70.8 MB
15 Recursion Advanced/008 Convert String to Integer.mp4 70.7 MB
14 Recursion Intermediate/010 Check Palindrome.mp4 70.0 MB
85 Course Schedule/001 Course Schedule Explain.mp4 69.8 MB
06 Fizz Buzz/001 Fizz Buzz.mp4 69.6 MB
84 Algorithms _ Topological Sort/001 Introduction.mp4 69.3 MB
59 Invert Binary Tree/001 Invert Binary Tree.mp4 68.5 MB
96 Repeat and Missing Number/001 Repeat and Missing Number Explanation.mp4 68.1 MB
99 Distinct Number in Windows/002 Distinct Number in Windows Code.mp4 68.1 MB
91 Word Ladder/001 Word Ladder explain.mp4 67.7 MB
13 Recursion Basics/009 Count Zeroes.mp4 66.3 MB
74 Longest Common Subsequence/001 Longest Common Subsequence Recursive.mp4 66.1 MB
13 Recursion Basics/010 Geometric Sum.mp4 64.3 MB
37 Reverse a List/001 Reverse a List.mp4 64.0 MB
21 Algorithms _ Binary Search/003 Binary Search Algorithm (Explain).mp4 63.7 MB
15 Recursion Advanced/009 Print All Permutation of String.mp4 63.5 MB
18 Algorithm _ Merge Sort/001 Merge Sort Introduction.mp4 63.5 MB
97 Maximum Sum Subarray - Kadane's Algorithm/001 Maximum Sum Subarray explain.mp4 63.0 MB
47 PostOrder Traversal/001 PostOrder Traversal.mp4 62.3 MB
79 Hotel Reviews/001 Hotel Reviews.mp4 62.1 MB
01 Length of Last Word/001 Length of Last Word.mp4 61.6 MB
81 Paragraph Words Replacement/002 Paragraph Words Replacement - Trie Solution.mp4 61.5 MB
15 Recursion Advanced/004 Remove Character Recursively.mp4 59.8 MB
15 Recursion Advanced/010 Staircase Problem.mp4 58.7 MB
96 Repeat and Missing Number/002 Repeat and Missing Number Code.mp4 57.5 MB
76 Climbing Stairs/003 Climbing Stairs DP Generalised.mp4 57.3 MB
15 Recursion Advanced/005 Remove Consecutive Duplicates.mp4 56.8 MB
99 Distinct Number in Windows/001 Distinct Number in Windows Explanation.mp4 56.1 MB
69 Data Structure _ Priority Queues/006 Example Solution & Max Heap.mp4 56.1 MB
17 Algorithms _ Bubble Sort/002 Optimized Bubble Sort Algorithm (Explain + Code ).mp4 55.3 MB
62 Construct Tree from PostOrder and Inorder Traversal/001 Construct Tree from PostOrder and Inorder Traversal Introduction.mp4 55.3 MB
17 Algorithms _ Bubble Sort/003 Inbuilt Sort _ Standard Template Library (STL).mp4 52.9 MB
63 Construct Cartesian Tree/001 Construct Cartesian Tree Explain.mp4 52.1 MB
69 Data Structure _ Priority Queues/003 Heap Introduction.mp4 52.0 MB
14 Recursion Intermediate/004 First Index of element.mp4 51.2 MB
65 Convert Sorted Array to BST/001 Convert Sorted Array to BST.mp4 51.2 MB
90 Knight on chess Board/002 Knight on chess Board code.mp4 50.8 MB
83 MaxArea of islands/001 MaxArea of islands Explain.mp4 50.7 MB
89 Shortest Path in Binary Matrix/001 Shortest Path in Binary Matrix Explain.mp4 49.9 MB
98 Flip the array/002 Flip Code.mp4 49.7 MB
66 Kth Smallest Element in a BST/002 Kth Smallest Element in a BST Explanation.mp4 49.3 MB
69 Data Structure _ Priority Queues/007 Implementation of Priority Queue - Part 1.mp4 49.0 MB
73 Grid Unique Path/002 Grid Unique Path - Coding.mp4 47.5 MB
15 Recursion Advanced/011 Tower of Hanoi.mp4 47.3 MB
63 Construct Cartesian Tree/002 Construct Cartesian Tree Code.mp4 47.1 MB
71 Fibonacci/002 Hint _ Minimum Steps to 1.mp4 45.5 MB
58 Lowest Common Ancestor Binary Tree/001 Lowest Common Ancestor Binary Tree explain.mp4 45.0 MB
13 Recursion Basics/004 Power.mp4 43.2 MB
69 Data Structure _ Priority Queues/009 Remove Min Explanation.mp4 42.9 MB
94 Merge K sorted List/001 Merge K sorted List explanation.mp4 42.8 MB
72 Minimum Steps in Infinite Grid/001 Minimum Steps in Infinite Grid.mp4 42.7 MB
14 Recursion Intermediate/008 Count Occurrence of element- Second Approach.mp4 41.9 MB
82 Number of islands/001 Number of islands Explain.mp4 41.8 MB
15 Recursion Advanced/003 Replace Character Recursively.mp4 41.7 MB
90 Knight on chess Board/001 Knight on chess Board explain.mp4 40.9 MB
15 Recursion Advanced/001 Print and Reverse Print Recursively.mp4 39.6 MB
50 Count Nodes/001 Count Nodes.mp4 32.6 MB
88 Commutable Islands/001 Commutable Islands explain.mp4 31.5 MB
66 Kth Smallest Element in a BST/001 Kth Smallest Element in a BST Code.mp4 31.5 MB
73 Grid Unique Path/001 Grid Unique Path Explanation.mp4 28.2 MB
76 Climbing Stairs/001 Climbing Stairs Recursive.mp4 28.2 MB
14 Recursion Intermediate/007 Count Occurrence of element- First Approach.mp4 27.0 MB
14 Recursion Intermediate/006 Print All position of element.mp4 26.6 MB
15 Recursion Advanced/002 Length Recursively.mp4 26.1 MB
76 Climbing Stairs/002 Climbing Stairs DP.mp4 24.5 MB
84 Algorithms _ Topological Sort/002 Topological Sort Code.mp4 23.0 MB
15 Recursion Advanced/007 Store All Subsequences of String.mp4 20.6 MB
86 Algorithms _ Kruskal/003 Kruskal Code.mp4 19.2 MB
97 Maximum Sum Subarray - Kadane's Algorithm/002 Maximum Sum Subarray code.mp4 17.2 MB
93 Algorithm _ Dijikstra/002 Algo _ Dijikstra Code.mp4 16.7 MB
72 Minimum Steps in Infinite Grid/002 Minimum Steps in Infinite Grid - Coding.mp4 16.3 MB
19 Algorithm _ Quick Sort/003 Quick Sort Testing.mp4 12.0 MB
21 Algorithms _ Binary Search/002 Problem with Linear Search.mp4 9.2 MB
86 Algorithms _ Kruskal/002 Disjoint Set for Cycle Detection.srt 49.7 KB
12 Remove All Adjacent Duplicates - 2/001 Remove all adjacent duplicates - 2.srt 46.2 KB
52 Level Order Traversal/001 Level Order Traversal.srt 44.3 KB
70 Data Structure _ HashMap/007 HashMap Implementation Insert.srt 43.5 KB
54 ZigZag Level Order Traversal/001 ZigZag Level Order Traversal.srt 43.1 KB
14 Recursion Intermediate/003 Check if element is present.srt 42.7 KB
69 Data Structure _ Priority Queues/014 K Sorted Array.srt 42.1 KB
36 Intersection of List/001 Intersection of List.srt 40.6 KB
14 Recursion Intermediate/001 Check if Array is sorted.srt 40.5 KB
69 Data Structure _ Priority Queues/005 Insert & Delete in Heaps.srt 40.4 KB
04 String class/001 String class.srt 40.2 KB
20 Algorithm _ Moore Voting _ Majority Element/001 Majority Element.srt 40.1 KB
34 Set Matrix Zero/001 Set Matrix Zero.srt 39.9 KB
14 Recursion Intermediate/005 Last Index of element.srt 39.8 KB
71 Fibonacci/001 Fibonacci.srt 39.1 KB
39 Remove nth Node from end of list/001 Remove nth Node from end of list.srt 37.4 KB
11 Remove All Adjacent Duplicates/001 Remove All Adjacent Duplicates.srt 37.3 KB
05 Vectors/001 Vectors.srt 36.3 KB
69 Data Structure _ Priority Queues/011 Inplace Heap Sort.srt 36.1 KB
69 Data Structure _ Priority Queues/004 CBT and its Implementation.srt 35.9 KB
16 Algorithm _ Selection Sort/001 Selection Sort Algorithm ( Explain + Code ).srt 35.0 KB
13 Recursion Basics/001 Introduction to recursion.srt 34.1 KB
22 Advanced Binary Search _ Find First & Last Occurence/001 Find First & Last Occurence.srt 33.8 KB
30 Reverse Words in a String/001 Reverse Words in a String.srt 33.4 KB
70 Data Structure _ HashMap/010 Rehashing.srt 33.3 KB
70 Data Structure _ HashMap/132 4-iterators.srt 33.0 KB
70 Data Structure _ HashMap/001 Introduction to Hash Map.srt 32.7 KB
60 Validate Binary Search Tree/001 Validate Binary Search Tree.srt 32.5 KB
70 Data Structure _ HashMap/004 Iterators.srt 32.0 KB
86 Algorithms _ Kruskal/001 Introduction.srt 31.9 KB
07 Evaluate Reverse Polish Notation/001 Evaluate Reverse Polish Notation.srt 31.4 KB
69 Data Structure _ Priority Queues/010 Remove Min Solution & Complexity Analysis.srt 31.4 KB
61 Construct Tree from PreOrder and Inorder Traversal/001 Construct Tree from PreOrder and Inorder Traversal Introduction.srt 30.2 KB
67 Two Sum/001 Two Sum.srt 30.0 KB
80 Shortest Unique Prefix/001 Shortest Unique Prefix.srt 29.8 KB
57 Lowest Common Ancestor - BST/001 Lowest Common Ancestor.srt 29.2 KB
78 Data Structure _ Trie/001 Introduction.srt 29.0 KB
44 Valid Parenthesis/001 Valid Parenthesis.srt 28.8 KB
64 Diameter of Binary Tree/001 Diameter of Binary Tree.srt 28.7 KB
69 Data Structure _ Priority Queues/012 Inplace Heap Sort Solution.srt 28.4 KB
87 Algorithms _ Prims/001 Introduction + Code.srt 28.4 KB
43 Cycle - Find starting point of Cycle/001 Cycle -2.srt 28.2 KB
77 0-1 Knapsack/001 0-1 Knapsack Recursive.srt 28.2 KB
29 Jump Game - 2/001 Jump Game - 2.srt 28.1 KB
32 Rotate Image/001 Rotate Image.srt 27.6 KB
31 Find Permutation/001 Find Permutation.srt 27.6 KB
70 Data Structure _ HashMap/003 Remove Duplicates.srt 27.3 KB
14 Recursion Intermediate/002 Sum of Array.srt 27.3 KB
61 Construct Tree from PreOrder and Inorder Traversal/002 Construct Tree from PreOrder and Inorder Traversal Solution.srt 27.2 KB
38 Middle Node of List - Slow and Fast Pointer Approach/001 Middle Node of List - Slow and Fast Pointer Approach.srt 27.0 KB
15 Recursion Advanced/006 Print All Subsequences of String.srt 27.0 KB
23 Advanced Binary Search _ Search in Rotated Sorted Array/001 Search in Rotated Sorted Array.srt 27.0 KB
26 ZigZag Conversion/001 ZigZag Conversion.srt 26.8 KB
56 Minimum Depth of Binary Tree/001 Minimum Depth of Binary Tree.srt 26.7 KB
64 Diameter of Binary Tree/002 Diameter of Binary Tree Better Approach.srt 26.5 KB
69 Data Structure _ Priority Queues/015 K smallest Element.srt 26.3 KB
41 Partition List/001 Partition List.srt 26.3 KB
82 Number of islands/002 Number of islands Code.srt 25.7 KB
33 Spiral Order Matrix/001 Spiral Order Matrix.srt 25.7 KB
25 Advanced Binary Search _ Find Minimum Element in Sorted Rotated Array/001 Find Minimum Element in Sorted Rotated Array.srt 24.8 KB
27 Single Number/001 Single Number.srt 24.7 KB
28 Jump Game/001 Jump Game.srt 24.5 KB
24 Advanced Binary Search _ Implement Square root/001 Implement Square root.srt 24.5 KB
17 Algorithms _ Bubble Sort/001 Bubble Sort Algorithm ( Explain + Code ).srt 24.3 KB
40 Add 2 number as list/001 Add 2 number as list.srt 24.2 KB
42 Cycle Detection in Linked List/001 Cycle.srt 23.9 KB
70 Data Structure _ HashMap/005 Bucket Array & Hash Function.srt 23.7 KB
78 Data Structure _ Trie/002 Insert in Trie.srt 23.5 KB
13 Recursion Basics/002 Recursion and PMI.srt 23.5 KB
84 Algorithms _ Topological Sort/001 Introduction.srt 22.4 KB
18 Algorithm _ Merge Sort/002 Merge Sort Solution.srt 22.3 KB
13 Recursion Basics/005 Print Numbers.srt 22.3 KB
70 Data Structure _ HashMap/006 Collision Handling.srt 22.2 KB
10 Valid Palindrome/001 Valid Palindrome.srt 21.9 KB
70 Data Structure _ HashMap/002 Inbuilt HashMap.srt 21.8 KB
93 Algorithm _ Dijikstra/001 Algo _ Dijikstra explain.srt 21.1 KB
19 Algorithm _ Quick Sort/001 Quick Sort Introduction.srt 21.0 KB
18 Algorithm _ Merge Sort/001 Merge Sort Introduction.srt 20.9 KB
69 Data Structure _ Priority Queues/016 Inbuilt Min Priority Queue.srt 20.8 KB
71 Fibonacci/004 Minimum Steps to 1 Memorization Method.srt 20.8 KB
14 Recursion Intermediate/009 Store All Position of element.srt 20.6 KB
69 Data Structure _ Priority Queues/008 Implementation - Insert.srt 20.4 KB
85 Course Schedule/002 Course Schedule Code.srt 20.3 KB
89 Shortest Path in Binary Matrix/002 Shortest Path in Binary Matrix Code.srt 20.3 KB
35 Search in Row-wise and Column-wise Matrix/001 Search in Matrix.srt 20.1 KB
95 LRU Cache/001 LRU Cache explain.srt 19.6 KB
94 Merge K sorted List/002 Merge K sorted List code.srt 19.6 KB
55 Vertical Order Traversal/002 Vertical Order Traversal Code.srt 19.0 KB
21 Algorithms _ Binary Search/003 Binary Search Algorithm (Explain).srt 18.9 KB
91 Word Ladder/002 Word Ladder code.srt 18.6 KB
88 Commutable Islands/002 Commutable Islands code.srt 18.5 KB
03 Longest Common Prefix/001 Longest Common Prefix.srt 17.8 KB
14 Recursion Intermediate/010 Check Palindrome.srt 17.7 KB
69 Data Structure _ Priority Queues/002 Ways to implement Priority Queue.srt 17.6 KB
92 Rotten Oranges/002 Rotten Oranges Code.srt 17.6 KB
70 Data Structure _ HashMap/009 Time Complexity & Load Factor.srt 17.5 KB
51 Maximum Depth of Binary Tree/001 Maximum Depth of Binary Tree.srt 17.3 KB
72 Minimum Steps in Infinite Grid/001 Minimum Steps in Infinite Grid.srt 17.2 KB
21 Algorithms _ Binary Search/001 Linear Search Algorithm ( Explain + Code ).srt 17.1 KB
98 Flip the array/001 Flip Explanation.srt 17.1 KB
71 Fibonacci/005 Minimization Steps to 1 Bottom Up Method.srt 17.0 KB
15 Recursion Advanced/010 Staircase Problem.srt 16.9 KB
21 Algorithms _ Binary Search/004 Binary Search Algorithm (Code).srt 16.8 KB
15 Recursion Advanced/008 Convert String to Integer.srt 16.8 KB
81 Paragraph Words Replacement/001 Paragraph Words Replacement.srt 16.7 KB
70 Data Structure _ HashMap/008 HashMap Implementation Delete & Search.srt 16.7 KB
75 Minimum Distance/001 Minimum Distance Recursive.srt 16.7 KB
99 Distinct Number in Windows/001 Distinct Number in Windows Explanation.srt 16.7 KB
13 Recursion Basics/006 Numbers of Digits.srt 16.5 KB
55 Vertical Order Traversal/001 Vertical Order Traversal Explanation.srt 16.5 KB
71 Fibonacci/003 Minimum Steps to 1 Brute Force Method.srt 16.4 KB
53 Reverse Level Order Traversal/001 Reverse Level Order Traversal.srt 16.3 KB
68 Two Sum II/001 Two Sum II.srt 16.3 KB
09 Palindrome String/001 Palindrome String.srt 16.3 KB
69 Data Structure _ Priority Queues/001 Introduction to Priority Queues.srt 16.2 KB
49 Symmetric Binary Tree/001 Symmetric Binary Tree.srt 16.0 KB
71 Fibonacci/002 Hint _ Minimum Steps to 1.srt 15.6 KB
13 Recursion Basics/003 Fibonacci Number.srt 15.6 KB
62 Construct Tree from PostOrder and Inorder Traversal/002 Construct Tree from PostOrder and Inorder Traversal Solution.srt 15.5 KB
45 Inorder Traversal/001 Inorder Traversal.srt 15.5 KB
77 0-1 Knapsack/002 0-1 Knapsack DP.srt 15.4 KB
19 Algorithm _ Quick Sort/002 Quick Sort Solution.srt 15.2 KB
02 Reverse String/001 Reverse String.srt 15.2 KB
74 Longest Common Subsequence/001 Longest Common Subsequence Recursive.srt 15.1 KB
62 Construct Tree from PostOrder and Inorder Traversal/001 Construct Tree from PostOrder and Inorder Traversal Introduction.srt 15.1 KB
96 Repeat and Missing Number/001 Repeat and Missing Number Explanation.srt 15.1 KB
99 Distinct Number in Windows/002 Distinct Number in Windows Code.srt 15.0 KB
69 Data Structure _ Priority Queues/006 Example Solution & Max Heap.srt 14.9 KB
73 Grid Unique Path/003 Grid Unique Path Optimization.srt 14.5 KB
97 Maximum Sum Subarray - Kadane's Algorithm/001 Maximum Sum Subarray explain.srt 14.4 KB
95 LRU Cache/002 LRU Cache code.srt 14.2 KB
15 Recursion Advanced/009 Print All Permutation of String.srt 14.1 KB
13 Recursion Basics/008 Multiplication.srt 14.1 KB
92 Rotten Oranges/001 Rotten Oranges Explanation.srt 14.1 KB
48 Same Tree/001 Same Tree.srt 13.9 KB
85 Course Schedule/001 Course Schedule Explain.srt 13.7 KB
69 Data Structure _ Priority Queues/013 Inbuilt Priority Queue.srt 13.7 KB
13 Recursion Basics/007 Sum of Digits.srt 13.7 KB
15 Recursion Advanced/011 Tower of Hanoi.srt 13.5 KB
13 Recursion Basics/009 Count Zeroes.srt 13.5 KB
14 Recursion Intermediate/004 First Index of element.srt 13.5 KB
08 Excel Sheet Column Number/001 Excel Sheet Column Number.srt 13.3 KB
69 Data Structure _ Priority Queues/003 Heap Introduction.srt 13.2 KB
15 Recursion Advanced/012 Print Steps in Tower of Hanoi.srt 13.1 KB
15 Recursion Advanced/004 Remove Character Recursively.srt 13.1 KB
15 Recursion Advanced/005 Remove Consecutive Duplicates.srt 13.0 KB
46 PreOrder Traversal/001 PreOrder Traversal.srt 13.0 KB
79 Hotel Reviews/001 Hotel Reviews.srt 12.7 KB
74 Longest Common Subsequence/002 Longest Common Subsequence DP.srt 12.6 KB
06 Fizz Buzz/001 Fizz Buzz.srt 12.6 KB
13 Recursion Basics/010 Geometric Sum.srt 12.6 KB
58 Lowest Common Ancestor Binary Tree/002 Lowest Common Ancestor Binary Tree code.srt 12.6 KB
75 Minimum Distance/002 Minimum Distance DP.srt 12.4 KB
81 Paragraph Words Replacement/002 Paragraph Words Replacement - Trie Solution.srt 12.4 KB
98 Flip the array/002 Flip Code.srt 11.8 KB
01 Length of Last Word/001 Length of Last Word.srt 11.7 KB
65 Convert Sorted Array to BST/001 Convert Sorted Array to BST.srt 11.7 KB
78 Data Structure _ Trie/003 Search in Trie.srt 11.6 KB
47 PostOrder Traversal/001 PostOrder Traversal.srt 11.3 KB
76 Climbing Stairs/003 Climbing Stairs DP Generalised.srt 10.9 KB
91 Word Ladder/001 Word Ladder explain.srt 10.8 KB
59 Invert Binary Tree/001 Invert Binary Tree.srt 10.8 KB
89 Shortest Path in Binary Matrix/001 Shortest Path in Binary Matrix Explain.srt 10.7 KB
66 Kth Smallest Element in a BST/002 Kth Smallest Element in a BST Explanation.srt 10.5 KB
50 Count Nodes/001 Count Nodes.srt 10.4 KB
63 Construct Cartesian Tree/001 Construct Cartesian Tree Explain.srt 10.4 KB
37 Reverse a List/001 Reverse a List.srt 10.3 KB
15 Recursion Advanced/001 Print and Reverse Print Recursively.srt 10.3 KB
96 Repeat and Missing Number/002 Repeat and Missing Number Code.srt 10.2 KB
82 Number of islands/001 Number of islands Explain.srt 10.1 KB
69 Data Structure _ Priority Queues/007 Implementation of Priority Queue - Part 1.srt 9.5 KB
90 Knight on chess Board/001 Knight on chess Board explain.srt 9.4 KB
69 Data Structure _ Priority Queues/009 Remove Min Explanation.srt 9.4 KB
15 Recursion Advanced/003 Replace Character Recursively.srt 9.3 KB
83 MaxArea of islands/002 MaxArea of islands code.srt 9.3 KB
63 Construct Cartesian Tree/002 Construct Cartesian Tree Code.srt 8.9 KB
78 Data Structure _ Trie/160 Trie - search function.srt 8.9 KB
90 Knight on chess Board/002 Knight on chess Board code.srt 8.9 KB
17 Algorithms _ Bubble Sort/002 Optimized Bubble Sort Algorithm (Explain + Code ).srt 8.8 KB
13 Recursion Basics/004 Power.srt 8.6 KB
83 MaxArea of islands/001 MaxArea of islands Explain.srt 8.3 KB
94 Merge K sorted List/001 Merge K sorted List explanation.srt 8.2 KB
84 Algorithms _ Topological Sort/002 Topological Sort Code.srt 8.1 KB
73 Grid Unique Path/002 Grid Unique Path - Coding.srt 8.0 KB
58 Lowest Common Ancestor Binary Tree/001 Lowest Common Ancestor Binary Tree explain.srt 7.8 KB
14 Recursion Intermediate/006 Print All position of element.srt 7.4 KB
17 Algorithms _ Bubble Sort/003 Inbuilt Sort _ Standard Template Library (STL).srt 6.9 KB
88 Commutable Islands/001 Commutable Islands explain.srt 6.9 KB
14 Recursion Intermediate/008 Count Occurrence of element- Second Approach.srt 6.6 KB
15 Recursion Advanced/002 Length Recursively.srt 6.5 KB
14 Recursion Intermediate/007 Count Occurrence of element- First Approach.srt 6.2 KB
76 Climbing Stairs/001 Climbing Stairs Recursive.srt 6.2 KB
66 Kth Smallest Element in a BST/001 Kth Smallest Element in a BST Code.srt 5.7 KB
73 Grid Unique Path/001 Grid Unique Path Explanation.srt 5.6 KB
93 Algorithm _ Dijikstra/002 Algo _ Dijikstra Code.srt 5.6 KB
76 Climbing Stairs/002 Climbing Stairs DP.srt 5.2 KB
72 Minimum Steps in Infinite Grid/002 Minimum Steps in Infinite Grid - Coding.srt 4.8 KB
86 Algorithms _ Kruskal/003 Kruskal Code.srt 4.8 KB
70 Data Structure _ HashMap/138 10-Rehashing.txt 4.1 KB
15 Recursion Advanced/007 Store All Subsequences of String.srt 3.6 KB
97 Maximum Sum Subarray - Kadane's Algorithm/002 Maximum Sum Subarray code.srt 3.3 KB
21 Algorithms _ Binary Search/002 Problem with Linear Search.srt 3.0 KB
70 Data Structure _ HashMap/136 8-HashMap Implementation-delete & search.txt 2.7 KB
19 Algorithm _ Quick Sort/003 Quick Sort Testing.srt 2.4 KB
22 Advanced Binary Search _ Find First & Last Occurence/059 14-find first and last occurence.txt 2.2 KB
12 Remove All Adjacent Duplicates - 2/012 13-remove k adjacent duplicates.txt 2.2 KB
71 Fibonacci/143 5-minimum steps to 1 bottom up dp.txt 2.1 KB
18 Algorithm _ Merge Sort/050 2-Merge Sort Solution.txt 2.0 KB
100 Mock Interview -_ Very Important/001 Mock Interview.html 1.9 KB
69 Data Structure _ Priority Queues/122 10-remove min solution and complexity analysis.txt 1.9 KB
40 Add 2 number as list/077 3-add two numbers as list.txt 1.8 KB
70 Data Structure _ HashMap/135 7-HashMap Implementation-insert.txt 1.7 KB
34 Set Matrix Zero/071 18-set matrix zeroes.txt 1.7 KB
101 Bonus/001 Coupons for my other courses.html 1.7 KB
62 Construct Tree from PostOrder and Inorder Traversal/103 19-Construct Tree from PostOrder and Inorder Traversal Solution.txt 1.6 KB
36 Intersection of List/073 1-intersection of list.txt 1.6 KB
61 Construct Tree from PreOrder and Inorder Traversal/101 17-Construct Tree from PreOrder and Inorder Traversal Solution.txt 1.6 KB
43 Cycle - Find starting point of Cycle/080 6-cycle 2.txt 1.6 KB
70 Data Structure _ HashMap/132 4-iterators.txt 1.5 KB
55 Vertical Order Traversal/093 Vertical Order Traversal Code.txt 1.5 KB
41 Partition List/078 4-partition list.txt 1.4 KB
60 Validate Binary Search Tree/099 26-Validate Binary Search Tree.txt 1.4 KB
78 Data Structure _ Trie/159 Trie-add and search.txt 1.4 KB
33 Spiral Order Matrix/070 38-spiral order matrix.txt 1.3 KB
92 Rotten Oranges/186 Rotten oranges code.txt 1.3 KB
75 Minimum Distance/152 Edit Distance-dp.txt 1.3 KB
30 Reverse Words in a String/067 45-reverse words in a string.txt 1.3 KB
53 Reverse Level Order Traversal/090 34-reverse level order traversal.txt 1.3 KB
54 ZigZag Level Order Traversal/091 35-zigzag level order traversal.txt 1.2 KB
52 Level Order Traversal/089 33-level order traversal.txt 1.2 KB
64 Diameter of Binary Tree/107 21-Diameter of Binary Tree Better Approach.txt 1.2 KB
71 Fibonacci/142 4-minimum steps to 1 memorization method.txt 1.2 KB
83 MaxArea of islands/168 MaxArea of island.txt 1.2 KB
94 Merge K sorted List/190 Merge K Sorted List.txt 1.2 KB
07 Evaluate Reverse Polish Notation/007 8-evaluate reverse polish notation.txt 1.1 KB
69 Data Structure _ Priority Queues/124 12-Inplace Heap Sort Solution.txt 1.1 KB
56 Minimum Depth of Binary Tree/094 36-minimum depth of binary tree.txt 1.1 KB
05 Vectors/005 48-vectors.txt 1.1 KB
04 String class/004 1-string.txt 1.1 KB
91 Word Ladder/184 Word Ladder.txt 1.1 KB
11 Remove All Adjacent Duplicates/011 12-remove all adjacent duplicates.txt 1.1 KB
71 Fibonacci/139 1-fibonaci.txt 1.0 KB
82 Number of islands/166 Number of islands.txt 1.0 KB
85 Course Schedule/172 Course Schedule.txt 1.0 KB
69 Data Structure _ Priority Queues/128 16-K smallest using MIN PQ.txt 1.0 KB
89 Shortest Path in Binary Matrix/180 Shortest Path in Binary Matrix code.txt 1.0 KB
95 LRU Cache/192 Lru cache.txt 1.0 KB
70 Data Structure _ HashMap/130 2-Inbuilt Hashmap.txt 1017 bytes
14 Recursion Intermediate/031 9-Store All Position of element.txt 1007 bytes
74 Longest Common Subsequence/150 LCS-dp.txt 1005 bytes
03 Longest Common Prefix/003 44-longest common prefix.txt 1002 bytes
10 Valid Palindrome/010 10-valid palindrome 2.txt 995 bytes
64 Diameter of Binary Tree/106 20-Diameter of Binary Tree.txt 991 bytes
65 Convert Sorted Array to BST/108 7-Convert Sorted Array to BST.txt 982 bytes
14 Recursion Intermediate/025 3-Check if element is present.txt 969 bytes
77 0-1 Knapsack/157 Knapsack-DP.txt 962 bytes
44 Valid Parenthesis/081 7-valid paranthesis.txt 957 bytes
90 Knight on chess Board/182 knight on chess board code.txt 920 bytes
69 Data Structure _ Priority Queues/120 8-Implementation-insert.txt 905 bytes
49 Symmetric Binary Tree/086 31-summetric binary tree.txt 885 bytes
29 Jump Game - 2/066 47-jump game 2.txt 875 bytes
63 Construct Cartesian Tree/105 Inorder Traversal of Cartesian Tree.txt 874 bytes
14 Recursion Intermediate/023 1-Check if Array is sorted.txt 871 bytes
66 Kth Smallest Element in a BST/109 kth Smallest element code.txt 861 bytes
42 Cycle Detection in Linked List/079 5-Linked List Cycle.txt 851 bytes
58 Lowest Common Ancestor Binary Tree/097 Lowest Common Ancestor BT.txt 834 bytes
15 Recursion Advanced/038 6-Print All Subsequences of String.txt 833 bytes
88 Commutable Islands/178 Commutable Islands Code.txt 801 bytes
76 Climbing Stairs/155 Climbing Stairs DP Generalised.txt 800 bytes
14 Recursion Intermediate/027 5-Last Index of element.txt 784 bytes
20 Algorithm _ Moore Voting _ Majority Element/054 43-majority element.txt 782 bytes
57 Lowest Common Ancestor - BST/095 37-least common ancestor of bst.txt 777 bytes
23 Advanced Binary Search _ Search in Rotated Sorted Array/060 15-Search in Rotated Sorted Array.txt 771 bytes
25 Advanced Binary Search _ Find Minimum Element in Sorted Rotated Array/062 17-find minimum element in sorted rotated array.txt 763 bytes
39 Remove nth Node from end of list/076 6-remove kth node from end of ll.txt 759 bytes
15 Recursion Advanced/037 5-Remove Consecutive Duplicates.txt 729 bytes
32 Rotate Image/069 39-rotate matrix.txt 708 bytes
69 Data Structure _ Priority Queues/127 15-K smallest element.txt 702 bytes
35 Search in Row-wise and Column-wise Matrix/072 22-search in matrix.txt 701 bytes
46 PreOrder Traversal/083 29-preorder traversal.txt 693 bytes
26 ZigZag Conversion/063 21-zigzag conversion.txt 687 bytes
45 Inorder Traversal/082 28-inorder traversal.txt 687 bytes
47 PostOrder Traversal/084 30-postorder traversal.txt 661 bytes
01 Length of Last Word/001 20-length of last word.txt 660 bytes
02 Reverse String/002 11-reverse string.txt 655 bytes
98 Flip the array/198 Flip code.txt 640 bytes
48 Same Tree/085 42-same tree.txt 636 bytes
50 Count Nodes/087 6-Count Nodes.txt 633 bytes
75 Minimum Distance/151 Edit Distance-recursive.txt 633 bytes
15 Recursion Advanced/036 4-Remove Character.txt 614 bytes
67 Two Sum/111 24-two sum.txt 612 bytes
73 Grid Unique Path/147 Grid Unique.txt 612 bytes
73 Grid Unique Path/148 Grid Unique.txt 612 bytes
37 Reverse a List/074 2-reverse a list.txt 598 bytes
19 Algorithm _ Quick Sort/053 3-Quick Sort Checking.txt 594 bytes
69 Data Structure _ Priority Queues/127 14-K sorted Array.txt 582 bytes
68 Two Sum II/112 25-two sum II.txt 574 bytes
96 Repeat and Missing Number/194 Repeat and missing number array code.txt 559 bytes
38 Middle Node of List - Slow and Fast Pointer Approach/075 4-middle point of LL .txt 555 bytes
59 Invert Binary Tree/098 27-Invert Binary Tree.txt 552 bytes
51 Maximum Depth of Binary Tree/088 32-maxDepth of binary tree.txt 550 bytes
70 Data Structure _ HashMap/131 3-remove duplicates.txt 550 bytes
15 Recursion Advanced/040 8-Convert String to Integer.txt 539 bytes
15 Recursion Advanced/039 7-Store All Subsequences of String.txt 535 bytes
06 Fizz Buzz/006 41-fizz Buzz.txt 525 bytes
13 Recursion Basics/017 print numbers.txt 517 bytes
15 Recursion Advanced/035 3-Replace Character Recursively.txt 514 bytes
24 Advanced Binary Search _ Implement Square root/061 16-Square root.txt 514 bytes
69 Data Structure _ Priority Queues/119 7-Implementation of Priority Queue - Part 1.txt 506 bytes
14 Recursion Intermediate/030 8-Count Occurence of element- Second Approach.txt 505 bytes
14 Recursion Intermediate/024 2-Sum of Array.txt 500 bytes
99 Distinct Number in Windows/200 Distinct Number in windows.txt 499 bytes
14 Recursion Intermediate/029 7-Count Occurence of element- First Approach.txt 495 bytes
31 Find Permutation/068 40-find permutation.txt 491 bytes
09 Palindrome String/009 9-palindrome string.txt 490 bytes
77 0-1 Knapsack/156 Knapsack-Recursive.txt 490 bytes
74 Longest Common Subsequence/149 LCS-recursive.txt 488 bytes
71 Fibonacci/141 3-minimum steps to 1 brute force implentation.txt 487 bytes
19 Algorithm _ Quick Sort/052 2-Quick Sort Solution.txt 484 bytes
69 Data Structure _ Priority Queues/128 16-Inbuilt MIN PQ.txt 474 bytes
15 Recursion Advanced/044 12-Print Steps in Tower of Hanoi.txt 445 bytes
76 Climbing Stairs/154 Climbing stairs DP.txt 426 bytes
69 Data Structure _ Priority Queues/125 13-Inbuilt Priority Queue.txt 406 bytes
15 Recursion Advanced/033 1-print and reverse print.txt 404 bytes
28 Jump Game/065 46-jump game.txt 396 bytes
13 Recursion Basics/021 count zeroes.txt 378 bytes
15 Recursion Advanced/041 9-Print All Permutation of String.txt 371 bytes
13 Recursion Basics/015 Fibonaci.txt 366 bytes
97 Maximum Sum Subarray - Kadane's Algorithm/196 Maximum Sum Subarray code.txt 358 bytes
08 Excel Sheet Column Number/008 19-excel sheet column number.txt 353 bytes
13 Recursion Basics/014 factorial.txt 350 bytes
13 Recursion Basics/013 factorial.txt 347 bytes
15 Recursion Advanced/042 10-Staircase Problem.txt 337 bytes
13 Recursion Basics/019 sum of digits.txt 323 bytes
13 Recursion Basics/020 multiplication.txt 323 bytes
14 Recursion Intermediate/032 10-Check Palindrome.txt 316 bytes
14 Recursion Intermediate/026 4-First Index of element.txt 299 bytes
13 Recursion Basics/016 power.txt 288 bytes
19 Algorithm _ Quick Sort/051 1-Quick Sort Introduction.txt 283 bytes
14 Recursion Intermediate/028 6-Print All position of element.txt 281 bytes
13 Recursion Basics/022 Geometric Sum.txt 278 bytes
13 Recursion Basics/018 count.txt 276 bytes
15 Recursion Advanced/034 2-Length Recursively.txt 269 bytes
76 Climbing Stairs/153 Climbing Stairs Recursive.txt 256 bytes
27 Single Number/064 23-Single Number.txt 249 bytes
18 Algorithm _ Merge Sort/049 1-Merge Sort Introduction.txt 232 bytes
15 Recursion Advanced/043 11-Tower of Hanoi.txt 212 bytes
72 Minimum Steps in Infinite Grid/145 Minimum Steps in infinite grid.txt 208 bytes

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