Trie Series | Striver

by take U forward · 7 videos

Total watch time

2h 49m

at speed · exactly 2 hours, 48 minutes, 39 seconds at 1×

2h 48m 39s
1.25×2h 14m 55s
1.5×1h 52m 26s
1.75×1h 36m 22s
1h 24m 20s
Average video24m 6s
Longest36m 17s
Shortest9m 29s
Compare Open on YouTube JSON

Plan to finish

About 3 days at an hour a day

Pick a daily pace and the days you'll watch. Ticked videos are skipped.

Days

At one hour a day, every day, this playlist takes about 3 days. Turn on JavaScript to plan around your week.

Videos (7)

2h 49m in total · tick what you've watched

Tick videos you've watched — progress is saved in this browser.

Videos to
Watched
1 L1. Implement TRIE | INSERT | SEARCH | STARTSWITH 31:25 2021-11-12
2 L2. Implement Trie-2 | INSERT | countWordsEqualTo() | countWordsStartingWith() | C++ | Java 23:32 2021-11-13
3 L3. Longest Word With All Prefixes | Complete String | Trie 25:31 2021-11-25
4 L4. Number of Distinct Substrings in a String | Trie | C++ | Java 18:10 2021-11-26
5 L5. Bit PreRequisites for TRIE Problems 9:29 2021-11-29
6 L6. Maximum XOR of Two Numbers in an Array | C++ | Java 36:17 2021-12-08
7 L7. Maximum XOR With an Element From Array | Queries | C++ | Java 24:15 2021-12-08

Embed a badge

Show the watch time in a README or course description — it links back here and updates itself

Watch time: 2h 49m · 7 videos

Markdown
[![Watch time: 2h 49m · 7 videos](https://playlistduration.com/badge/playlist/PLgUwDviBIf0pcIDCZnxhv0LkHf5KzG9zp.svg)](https://playlistduration.com/playlist/PLgUwDviBIf0pcIDCZnxhv0LkHf5KzG9zp)
HTML
<a href="https://playlistduration.com/playlist/PLgUwDviBIf0pcIDCZnxhv0LkHf5KzG9zp"><img src="https://playlistduration.com/badge/playlist/PLgUwDviBIf0pcIDCZnxhv0LkHf5KzG9zp.svg" alt="Watch time: 2h 49m · 7 videos" width="196" height="20"></a>

Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.

Want the numbers themselves? GET https://playlistduration.com/api/v1/playlist/PLgUwDviBIf0pcIDCZnxhv0LkHf5KzG9zp returns them as JSON — free, no key. API docs →

Data from the YouTube Data API as of 2026-09-22 (cached). Private or deleted videos are excluded from totals.