Week 4 2013
Total watch time
20m 30s
at 1× speed · exactly 20 minutes, 30 seconds at 1×
| 1× | 20m 30s |
|---|---|
| 1.25× | 16m 24s |
| 1.5× | 13m 40s |
| 1.75× | 11m 43s |
| 2× | 10m 15s |
Plan to finish
About 1 day 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 1 day. Turn on JavaScript to plan around your week.
Videos (9)
20m 30s in total · tick what you've watched
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| Watched | ||||
|---|---|---|---|---|
| 1 |
 compare-0
|
2:04 | 2013-10-22 | |
| 2 |
 compare-1
|
2:31 | 2013-10-22 | |
| 3 |
 copy-0
|
1:37 | 2013-10-22 | |
| 4 |
 copy-1
|
2:18 | 2014-01-14 | |
| 5 |
 noswap
|
2:09 | 2013-10-22 | |
| 6 |
 pointers
|
2:06 | 2013-10-22 | |
| 7 |
 sigma-0
|
3:03 | 2013-10-22 | |
| 8 |
 sigma-1
|
2:07 | 2013-10-22 | |
| 9 |
 swap
|
2:35 | 2013-10-22 |
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[](https://playlistduration.com/playlist/PLhQjrBD2T382HaQXFzN2wL3zgIXMkzXyM)<a href="https://playlistduration.com/playlist/PLhQjrBD2T382HaQXFzN2wL3zgIXMkzXyM"><img src="https://playlistduration.com/badge/playlist/PLhQjrBD2T382HaQXFzN2wL3zgIXMkzXyM.svg" alt="Watch time: 20m 30s · 9 videos" width="202" 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/PLhQjrBD2T382HaQXFzN2wL3zgIXMkzXyM returns them as JSON — free, no key. API docs →
Data from the YouTube Data API as of 2026-09-22 (fresh). Private or deleted videos are excluded from totals.