Harsh Bansal

@UCXMwLMutegeHgV7zyIl4BdA - 67 subscribers

🚀 Welcome to your go-to channel for Data Engineering, Data Analysis, Data Science, and Problem Solving If you want to build strong skills for data-related roles, you’re in the right place. This channel focuses on practical learning through real coding problems, clear explanations, and industry-relevant concepts. Whether you're a beginner starting from scratch or a working professional looking to switch into data roles, the content is structured to help you learn step by step and actually apply what you learn. 📊 What you’ll learn on this channel: 1. SQL (Beginner to Advanced) 2. DSA 75 Blind Leetcode in Python

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Channel Trailer | Harsh Bansal

Channel Trailer | Harsh Bansal Harsh Bansal

22 views - 1 week ago

Data Engineer | Introduction Video | Complete SQL Beginner Playlist | MYSQL

Data Engineer | Introduction Video | Complete SQL Beginner Playlist | MYSQL Harsh Bansal

38 views - 1 week ago

Data Engineer | Data Types & NULL Handling | Complete SQL Beginner Playlist | Module 4 | MYSQL

Data Engineer | Data Types & NULL Handling | Complete SQL Beginner Playlist | Module 4 | MYSQL Harsh Bansal

31 views - 1 week ago

Data Engineer | SQL Syntax & Basics | Complete SQL Beginner Playlist | Module 3 | MYSQL

Data Engineer | SQL Syntax & Basics | Complete SQL Beginner Playlist | Module 3 | MYSQL Harsh Bansal

22 views - 1 week ago

Data Engineer | SQL Environment Setup | Complete SQL Beginner Playlist | Module 2 | MYSQL

Data Engineer | SQL Environment Setup | Complete SQL Beginner Playlist | Module 2 | MYSQL Harsh Bansal

17 views - 1 week ago

Data Engineer | Introduction to Databases & SQL | Complete SQL Beginner Playlist | Module 1 | MYSQL

Data Engineer | Introduction to Databases & SQL | Complete SQL Beginner Playlist | Module 1 | MYSQL Harsh Bansal

89 views - 1 week ago

75. Leetcode 75 Blind | 901. Online Stock Span | Monotonic Stack | Previous Greater Element | Python

75. Leetcode 75 Blind | 901. Online Stock Span | Monotonic Stack | Previous Greater Element | Python Harsh Bansal

22 views - 5 months ago

74. Leetcode 75 Blind | 739. Daily Temperatures | Monotonic Stack | Next Greater Element | Python

74. Leetcode 75 Blind | 739. Daily Temperatures | Monotonic Stack | Next Greater Element | Python Harsh Bansal

7 views - 5 months ago

73. Leetcode 75 Blind | 452. Minimum Number of Arrows to Burst Balloons | Greedy | Interval | Python

73. Leetcode 75 Blind | 452. Minimum Number of Arrows to Burst Balloons | Greedy | Interval | Python Harsh Bansal

16 views - 5 months ago

72. Leetcode 75 Blind | 435. Non-overlapping Intervals | Greedy | Sorting | Python

72. Leetcode 75 Blind | 435. Non-overlapping Intervals | Greedy | Sorting | Python Harsh Bansal

11 views - 5 months ago

71. Leetcode 75 Blind | 1268. Search Suggestions System | Trie | INSERT | SEARCH | STARTSWITH Python

71. Leetcode 75 Blind | 1268. Search Suggestions System | Trie | INSERT | SEARCH | STARTSWITH Python Harsh Bansal

18 views - 5 months ago

70. Leetcode 75 Blind | 208. Implement Trie (Prefix Tree) | Trie INSERT | SEARCH | STARTSWITH Python

70. Leetcode 75 Blind | 208. Implement Trie (Prefix Tree) | Trie INSERT | SEARCH | STARTSWITH Python Harsh Bansal

11 views - 5 months ago

69. Leetcode 75 Blind | 1318. Minimum Flips to Make a OR b Equal to c | Bit Manipulation | Python

69. Leetcode 75 Blind | 1318. Minimum Flips to Make a OR b Equal to c | Bit Manipulation | Python Harsh Bansal

17 views - 5 months ago

68. Leetcode 75 Blind | 136. Single Number | Bit Manipulation | 2 Approaches | Python

68. Leetcode 75 Blind | 136. Single Number | Bit Manipulation | 2 Approaches | Python Harsh Bansal

13 views - 6 months ago

67. Leetcode 75 Blind | 338. Counting Bits | Bit Manipulation | 2 Approaches | Follow Up Qn | Python

67. Leetcode 75 Blind | 338. Counting Bits | Bit Manipulation | 2 Approaches | Follow Up Qn | Python Harsh Bansal

6 views - 6 months ago

66. Leetcode 75 Blind | 72. Edit Distance | 2D DP | Recursion | Memoization | Tabular DP | Python

66. Leetcode 75 Blind | 72. Edit Distance | 2D DP | Recursion | Memoization | Tabular DP | Python Harsh Bansal

8 views - 6 months ago

65. Leetcode 75 Blind | 714. Best Time to Buy and Sell Stock with Transaction Fee | 2D DP | Python

65. Leetcode 75 Blind | 714. Best Time to Buy and Sell Stock with Transaction Fee | 2D DP | Python Harsh Bansal

14 views - 6 months ago

64. Leetcode 75 Blind | 1143. Longest Common Subsequence | 2D Dynamic Program | Recursion | Python

64. Leetcode 75 Blind | 1143. Longest Common Subsequence | 2D Dynamic Program | Recursion | Python Harsh Bansal

14 views - 6 months ago

63. Leetcode 75 Blind | 62. Unique Paths | 2D Dynamic Programming | Recursion | Python

63. Leetcode 75 Blind | 62. Unique Paths | 2D Dynamic Programming | Recursion | Python Harsh Bansal

12 views - 6 months ago

62. Leetcode 75 Blind | 790. Domino and Tromino Tiling | Dynamic Programming | Memoization | Python

62. Leetcode 75 Blind | 790. Domino and Tromino Tiling | Dynamic Programming | Memoization | Python Harsh Bansal

4 views - 7 months ago

61. Leetcode 75 Blind | 198. House Robber | Dynamic Programming | Memoization | Python

61. Leetcode 75 Blind | 198. House Robber | Dynamic Programming | Memoization | Python Harsh Bansal

12 views - 7 months ago

60. Leetcode 75 Blind | 746. Min Cost Climbing Stairs | Dynamic Programming | Memoization | Python

60. Leetcode 75 Blind | 746. Min Cost Climbing Stairs | Dynamic Programming | Memoization | Python Harsh Bansal

8 views - 7 months ago

59. Leetcode 75 Blind | 1137. N-th Tribonacci Number | DP | Recursion | Memoization | Python

59. Leetcode 75 Blind | 1137. N-th Tribonacci Number | DP | Recursion | Memoization | Python Harsh Bansal

16 views - 7 months ago

58. Leetcode 75 Blind | 216. Combination Sum III | Backtracking | Recursion | Python

58. Leetcode 75 Blind | 216. Combination Sum III | Backtracking | Recursion | Python Harsh Bansal

44 views - 7 months ago

57. Leetcode 75 Blind | 17. Letter Combinations of a Phone Number | Backtracking | Recursion| Python

57. Leetcode 75 Blind | 17. Letter Combinations of a Phone Number | Backtracking | Recursion| Python Harsh Bansal

12 views - 7 months ago

56. Leetcode 75 Blind | 875. Koko Eating Bananas | Binary Search | Binary Search on Answer | Python

56. Leetcode 75 Blind | 875. Koko Eating Bananas | Binary Search | Binary Search on Answer | Python Harsh Bansal

10 views - 7 months ago

55. Leetcode 75 Blind | 162. Find Peak Element | Binary Search | Python

55. Leetcode 75 Blind | 162. Find Peak Element | Binary Search | Python Harsh Bansal

8 views - 7 months ago

54. Leetcode 75 Blind | 2300. Successful Pairs of Spells and Potions | Binary Search | Python

54. Leetcode 75 Blind | 2300. Successful Pairs of Spells and Potions | Binary Search | Python Harsh Bansal

25 views - 7 months ago

53. Leetcode 75 Blind | 374. Guess Number Higher or Lower | Binary Search | BS on Answer | Python

53. Leetcode 75 Blind | 374. Guess Number Higher or Lower | Binary Search | BS on Answer | Python Harsh Bansal

16 views - 7 months ago

52. Leetcode 75 Blind | 2462. Total Cost to Hire K Workers | Heap | 2 Pointers | Python

52. Leetcode 75 Blind | 2462. Total Cost to Hire K Workers | Heap | 2 Pointers | Python Harsh Bansal

20 views - 8 months ago

51. Leetcode 75 Blind | 2542. Maximum Subsequence Score | Heap | Min Heap | Priority Queue | Python

51. Leetcode 75 Blind | 2542. Maximum Subsequence Score | Heap | Min Heap | Priority Queue | Python Harsh Bansal

13 views - 8 months ago

50. Leetcode 75 Blind | 2336. Smallest Number in Infinite Set | Min Heap | Priority Queue | Python

50. Leetcode 75 Blind | 2336. Smallest Number in Infinite Set | Min Heap | Priority Queue | Python Harsh Bansal

10 views - 8 months ago

49. Leetcode 75 Blind | 215. Kth Largest Element in an Array | Heap | Heapq | Heapify | Python

49. Leetcode 75 Blind | 215. Kth Largest Element in an Array | Heap | Heapq | Heapify | Python Harsh Bansal

23 views - 8 months ago

48. Leetcode 75 Blind | 994. Rotting Oranges | BFS | Graph | Deque | Python

48. Leetcode 75 Blind | 994. Rotting Oranges | BFS | Graph | Deque | Python Harsh Bansal

18 views - 9 months ago

47. Leetcode 75 Blind | 1926. Nearest Exit from Entrance in Maze | BFS | Graph | Deque | Python

47. Leetcode 75 Blind | 1926. Nearest Exit from Entrance in Maze | BFS | Graph | Deque | Python Harsh Bansal

13 views - 9 months ago

46. Leetcode 75 Blind | 399. Evaluate Division | DFS | Graph | Directed Graph Traversal | Python

46. Leetcode 75 Blind | 399. Evaluate Division | DFS | Graph | Directed Graph Traversal | Python Harsh Bansal

14 views - 9 months ago

45. Leetcode 75 Blind | 1466. Reorder Routes to Make All Paths Lead to the City Zero | DFS | Python

45. Leetcode 75 Blind | 1466. Reorder Routes to Make All Paths Lead to the City Zero | DFS | Python Harsh Bansal

17 views - 9 months ago

44. Leetcode 75 Blind | 547. Number of Provinces | DFS | Graph | Directed Graph Traversal | Python

44. Leetcode 75 Blind | 547. Number of Provinces | DFS | Graph | Directed Graph Traversal | Python Harsh Bansal

25 views - 9 months ago

43. Leetcode 75 Blind | 841. Keys and Rooms | DFS | Graph | Directed Graph Traversal | Python

43. Leetcode 75 Blind | 841. Keys and Rooms | DFS | Graph | Directed Graph Traversal | Python Harsh Bansal

14 views - 9 months ago

42. Leetcode 75 Blind | 450. Delete Node in a BST | BST | Python

42. Leetcode 75 Blind | 450. Delete Node in a BST | BST | Python Harsh Bansal

20 views - 9 months ago

41. Leetcode 75 Blind | 700. Search in a Binary Search Tree | BST | Python

41. Leetcode 75 Blind | 700. Search in a Binary Search Tree | BST | Python Harsh Bansal

16 views - 9 months ago

40. Leetcode 75 Blind | 1161. Maximum Level Sum of a Binary Tree | BFS | Level Order | Python

40. Leetcode 75 Blind | 1161. Maximum Level Sum of a Binary Tree | BFS | Level Order | Python Harsh Bansal

26 views - 9 months ago

39. Leetcode 75 Blind | 199. Binary Tree Right Side View | BFS | Level Order Traversal | Python

39. Leetcode 75 Blind | 199. Binary Tree Right Side View | BFS | Level Order Traversal | Python Harsh Bansal

9 views - 9 months ago

38. Leetcode 75 Blind | 236. Lowest Common Ancestor of a Binary Tree | LCA | DFS | Tree | Python

38. Leetcode 75 Blind | 236. Lowest Common Ancestor of a Binary Tree | LCA | DFS | Tree | Python Harsh Bansal

26 views - 10 months ago

37. Leetcode 75 Blind | 1372. Longest ZigZag Path in a Binary Tree | DFS | Tree | Python

37. Leetcode 75 Blind | 1372. Longest ZigZag Path in a Binary Tree | DFS | Tree | Python Harsh Bansal

8 views - 10 months ago

36. Leetcode 75 Blind | 437. Path Sum III | Binary Tree | DFS | Python

36. Leetcode 75 Blind | 437. Path Sum III | Binary Tree | DFS | Python Harsh Bansal

15 views - 10 months ago

35. Leetcode 75 Blind | 1448. Count Good Nodes in Binary Tree | DFS | Pre Order Traversal | Python

35. Leetcode 75 Blind | 1448. Count Good Nodes in Binary Tree | DFS | Pre Order Traversal | Python Harsh Bansal

19 views - 10 months ago

34. Leetcode 75 Blind | 872. Leaf-Similar Trees | Binary Tree | DFS | Tree | Python

34. Leetcode 75 Blind | 872. Leaf-Similar Trees | Binary Tree | DFS | Tree | Python Harsh Bansal

11 views - 10 months ago

33. Leetcode 75 Blind | 104. Maximum Depth of Binary Tree | Binary Tree | DFS | Tree | Python

33. Leetcode 75 Blind | 104. Maximum Depth of Binary Tree | Binary Tree | DFS | Tree | Python Harsh Bansal

21 views - 10 months ago

32. Leetcode 75 Blind | 2130. Maximum Twin Sum of a Linked List | Reverse Linked List | Python

32. Leetcode 75 Blind | 2130. Maximum Twin Sum of a Linked List | Reverse Linked List | Python Harsh Bansal

33 views - 10 months ago

31. Leetcode 75 Blind | 206. Reverse Linked List | Linked List | Python

31. Leetcode 75 Blind | 206. Reverse Linked List | Linked List | Python Harsh Bansal

30 views - 10 months ago

30. Leetcode 75 Blind | 328. Odd Even Linked List | Linked List | Python

30. Leetcode 75 Blind | 328. Odd Even Linked List | Linked List | Python Harsh Bansal

14 views - 11 months ago

29. Leetcode 75 Blind | 2095. Delete the Middle Node of a Linked List | Slow Fast Pointer | Python

29. Leetcode 75 Blind | 2095. Delete the Middle Node of a Linked List | Slow Fast Pointer | Python Harsh Bansal

19 views - 11 months ago

28. Leetcode 75 Blind | 649. Dota2 Senate | Queue | Python

28. Leetcode 75 Blind | 649. Dota2 Senate | Queue | Python Harsh Bansal

14 views - 11 months ago

27. Leetcode 75 Blind | 933. Number of Recent Calls | Queue | Python

27. Leetcode 75 Blind | 933. Number of Recent Calls | Queue | Python Harsh Bansal

32 views - 11 months ago

26. Leetcode 75 Blind | 394. Decode String | Stack | Python

26. Leetcode 75 Blind | 394. Decode String | Stack | Python Harsh Bansal

35 views - 11 months ago

25. Leetcode 75 Blind | 735. Asteroid Collision | Stack | Python

25. Leetcode 75 Blind | 735. Asteroid Collision | Stack | Python Harsh Bansal

14 views - 11 months ago

24. Leetcode 75 Blind | 2390. Removing Stars From a String | Stack | Python

24. Leetcode 75 Blind | 2390. Removing Stars From a String | Stack | Python Harsh Bansal

25 views - 11 months ago

23. Leetcode 75 Blind | 2352. Equal Row and Column Pairs | Dictionary | Hashing | Python

23. Leetcode 75 Blind | 2352. Equal Row and Column Pairs | Dictionary | Hashing | Python Harsh Bansal

14 views - 11 months ago

22. Leetcode 75 Blind | 1657. Determine if Two Strings Are Close | Set | Hashing | Python

22. Leetcode 75 Blind | 1657. Determine if Two Strings Are Close | Set | Hashing | Python Harsh Bansal

16 views - 11 months ago