12:44 duration 12 minutes 44 seconds
lecture-20
24:05 duration 24 minutes 5 seconds
Sample solving 28
31:07 duration 31 minutes 7 seconds
Sample Solving 26
21:52 duration 21 minutes 52 seconds
Sample Solving 22
22:02 duration 22 minutes 2 seconds
Sample Solving 21
20:01 duration 20 minutes 1 second
Sample Solving 17
08:55 duration 8 minutes 55 seconds
Lecture-30
12:19 duration 12 minutes 19 seconds
Lecture-23
12:38 duration 12 minutes 38 seconds
Lecture-19