Placement Series (Hashing)
Total watch time
3h 5m
at 1× speed · exactly 3 hours, 4 minutes, 42 seconds at 1×
| 1× | 3h 4m 42s |
|---|---|
| 1.25× | 2h 27m 46s |
| 1.5× | 2h 3m 8s |
| 1.75× | 1h 45m 33s |
| 2× | 1h 32m 21s |
Plan to finish
About 4 days at an hour a day
Pick a daily pace and the days you'll watch. Ticked videos are skipped.
At one hour a day, every day, this playlist takes about 4 days. Turn on JavaScript to plan around your week.
Videos (12)
3h 5m in total · tick what you've watched
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| Watched | ||||
|---|---|---|---|---|
| 1 |
 Two Sum Problem | Leetcode's First Ever Problem | Please watch new video - link in description
|
8:50 | 2020-09-04 | |
| 2 |
 4SUM | GOOGLE | AMAZON
|
22:02 | 2020-09-16 | |
| 3 |
 Longest Consecutive Sequence | Leetcode(Hard) | GooGLe
|
13:47 | 2020-09-29 | |
| 4 |
 Largest Subarray with Zero Sum | Amazon | MMT
|
13:54 | 2020-09-30 | |
| 5 |
 Count Subarrays with Xor as K | This problem clears a lot of concepts
|
16:50 | 2020-10-01 | |
| 6 |
 Longest Substring Without Repeating Characters | Amazon
|
24:00 | 2020-10-06 | |
| 7 |
 Job Sequencing Problem | Greedy Algorithms
|
17:00 | 2021-01-18 | |
| 8 | Private video | — | ||
| 9 |
 Implement LRU Cache | Leetcode
|
17:05 | 2021-06-23 | |
| 10 |
 Implement LRU Cache | C++ and Java Clean and Short Implementation
|
14:03 | 2021-06-23 | |
| 11 |
 Imlement LFU Cache | Leetcode(Hard)
|
19:27 | 2021-07-01 | |
| 12 |
 Implement LFU cache in C++/Java | Leetcode(Hard)
|
17:44 | 2021-07-01 |
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Data from the YouTube Data API as of 2026-09-22 (cached). Private or deleted videos are excluded from totals.