51:29

Shortest Paths Problems in Graphs: Dijiksras, DAGs

56:52

Recurrences, Karatsuba, Dynamic Programming

41:23

Reductions

41:35

Backtracking: Longest Increasing/Decreasing Sub-sequence

26:23

Dynamic Programming: Largest Square of 1's

49:47

Problem Solving: NP-Hard/NPC/Decidable/Undecidable

45:16

NP-Hardness Proofs

27:22

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