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37 results

CS50
CS50x 2024 - Lecture 5 - Data Structures

This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.

2:02:49
CS50x 2024 - Lecture 5 - Data Structures

560,584 views

2 years ago

CS50
CS50x 2026 - Lecture 5 - Data Structures

This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.

2:06:14
CS50x 2026 - Lecture 5 - Data Structures

20,939 views

2 weeks ago

CS50
CS50 2021 in HDR - Lecture 5 - Data Structures

This is CS50, Harvard University's Introduction to the intellectual enterprises of computer science and the art of programming.

2:12:55
CS50 2021 in HDR - Lecture 5 - Data Structures

170,900 views

4 years ago

Silviya Velani
When searching of HashMap is not O(1) TC? 🤯

Do you know the concept of Load Factor and Rehashing in Hashmap? Check out this video and subscribe on youtube for ...

0:38
When searching of HashMap is not O(1) TC? 🤯

87 views

3 years ago

Queens College Learning Commons
FA24 LC LeetCode Workshop - Week 1: Arrays and HashMaps

Practice your Data Structures (CSCI 313) and Algorithms (CSCI 323) skills via hands-on technical interview problem practices ...

1:09:40
FA24 LC LeetCode Workshop - Week 1: Arrays and HashMaps

352 views

1 year ago

Queens College Learning Commons
SP25 LC LeetCode Workshop - Week 1: Arrays and HashMaps

Practice your Data Structures (CSCI 313) and Algorithms (CSCI 323) skills via hands-on technical interview problem practices ...

1:07:17
SP25 LC LeetCode Workshop - Week 1: Arrays and HashMaps

139 views

10 months ago

CS50
CS50x 2025 - Lecture 5 - Data Structures

Abstract Data Types. Queues, Stacks. Linked Lists. Trees, Binary Search Trees. Hash Tables. Tries. *** This is CS50, Harvard ...

2:03:38
CS50x 2025 - Lecture 5 - Data Structures

235,191 views

Streamed 1 year ago

Doctor Lai
Day 656 - Teaching Kids Programming - Largest Substring Between Two Equal Characters (Hash Map)

00:01 Problem Description 01:07 Another Example 02:43 find/rfind/index/rindex 03:40 Algorithm 08:07 Python Leetcode: ...

10:48
Day 656 - Teaching Kids Programming - Largest Substring Between Two Equal Characters (Hash Map)

44 views

2 years ago

CS50
CS50x 2023 - Lecture 5 - Data Structures

This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.

2:16:12
CS50x 2023 - Lecture 5 - Data Structures

381,299 views

Streamed 3 years ago

Doctor Lai
Day 223 - Teaching Kids Programming - Number of Quadruplets That Sum Target via Hash Table

Post: https://helloacm.com/teaching-kids-programming-number-of-quadruplets-that-sum-target-via-hash-table/ If you like this video ...

28:16
Day 223 - Teaching Kids Programming - Number of Quadruplets That Sum Target via Hash Table

29 views

4 years ago

Doctor Lai
Day 355 - Teaching Kids Programming - Find First Recurring Character using Hash Table/Set

Post: https://helloacm.com/teaching-kids-programming-find-first-recurring-character-using-hash-table-set/ If you like this video and ...

5:52
Day 355 - Teaching Kids Programming - Find First Recurring Character using Hash Table/Set

42 views

4 years ago

Doctor Lai
Day 705 - Teaching Kids Programming - Number of Equivalent Domino Pairs (Hash Table / Combination)

00:01 Hello 02:04 Brute Force 04:30 Time Complexity 06:01 Better Counting 12:00 Identity 14:09 Combination C function 17:07 ...

19:16
Day 705 - Teaching Kids Programming - Number of Equivalent Domino Pairs (Hash Table / Combination)

30 views

6 months ago

Doctor Lai
Day 481 - Teaching Kids Programming - Rearrange Characters to Make Target String (Hash Map)

Post: https://helloacm.com/teaching-kids-programming-rearrange-characters-to-make-target-string-hash-map/ If you like this video ...

8:37
Day 481 - Teaching Kids Programming - Rearrange Characters to Make Target String (Hash Map)

72 views

3 years ago

Nuvin Technology
[6] What is Hashing ? The Best System Design Course

hashing algorithms tutorial” • “hashing algorithm explained” • “cryptographic hash functions overview” • “MD5 vs SHA1 vs SHA256 ...

15:08
[6] What is Hashing ? The Best System Design Course

12 views

2 months ago

Doctor Lai
Day 681 - Teaching Kids Programming - Using Hash Map to Count the Right Triangles in a Binary Matrix

00:01 Hello! 04:45 Special Case 08:36 Proof of a^2+b^2=c^2 for Right angle triangle 12:35 Counter 12:45 Python 14:08 ...

15:06
Day 681 - Teaching Kids Programming - Using Hash Map to Count the Right Triangles in a Binary Matrix

44 views

1 year ago

Doctor Lai
Day 356 - Teaching Kids Programming - Largest K Value with its Negative in Array via Hash Table/Set

Post: ...

5:43
Day 356 - Teaching Kids Programming - Largest K Value with its Negative in Array via Hash Table/Set

29 views

4 years ago

Doctor Lai
Day 437 - Teaching Kids Programming - Largest Unique Number via Hash Table, Bucket Sorting & GroupBy

Post: ...

12:40
Day 437 - Teaching Kids Programming - Largest Unique Number via Hash Table, Bucket Sorting & GroupBy

23 views

3 years ago

MattJ
451. Sort Characters By Frequency

Problem link: https://leetcode.com/problems/sort-characters-by-frequency/ Link to solution post: ...

5:03
451. Sort Characters By Frequency

26 views

2 years ago

Doctor Lai
Day 2^9 - Teaching Kids Programming - Algorithms to Count Equal Row and Column Pairs using Hash Map

Post: https://helloacm.com/teaching-kids-programming-algorithms-to-count-equal-row-and-column-pairs-using-hash-map/ If you ...

10:48
Day 2^9 - Teaching Kids Programming - Algorithms to Count Equal Row and Column Pairs using Hash Map

52 views

3 years ago

Doctor Lai
Day 625 - Teaching Kids Programming - Count Servers that Communicate (Hash Map - Counter)

00:01 Hello 03:30 Naive Solution 10:00 if rows[r] or cols[c] larger than 1 14:40 Summary Post: ...

17:50
Day 625 - Teaching Kids Programming - Count Servers that Communicate (Hash Map - Counter)

75 views

2 years ago