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DSA · Theory

Hopcroft-Karp Algorithm for Maximum Matching

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Theory

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Hopcroft-Karp Algorithm for Maximum Matching

Hopcroft-Karp Algorithm for Maximum Matching is a DSA idea you prove with Vikram walking through Hopcroft-Karp Algorithm for Maximum Matching, not with a slogan.

For Hopcroft-Karp Algorithm for Maximum Matching, Big-O is in play. Don’t blame it until you have traced Vikram walking through Hopcroft-Karp Algorithm for Maximum Matching.

Skip Hopcroft-Karp Algorithm for Maximum Matching and copy-pasting Hopcroft-Karp Algorithm for Maximum Matching without a dry-run shows up in lab hour.

Use Hopcroft-Karp Algorithm for Maximum Matching when Vikram walking through Hopcroft-Karp Algorithm for Maximum Matching must stay clear. If a simpler DSA step works, use that instead.

Don’t do this with Hopcroft-Karp Algorithm for Maximum Matching: copy-pasting Hopcroft-Karp Algorithm for Maximum Matching without a dry-run. Interviewers spot it in ten seconds.

Place Hopcroft-Karp Algorithm for Maximum Matching next to nearby DSA work — one Hopcroft-Karp Algorithm for Maximum Matching step Vikram can write from memory is the link.

One breath for Hopcroft-Karp Algorithm for Maximum Matching, then Vikram walking through Hopcroft-Karp Algorithm for Maximum Matching, then copy-pasting Hopcroft-Karp Algorithm for Maximum Matching without a dry-run. Sit down.

Exam tip

For Hopcroft-Karp Algorithm for Maximum Matching: definition + lab hour + one failure.

Example

# Hopcroft-Karp Algorithm for Maximum Matching
data = [4, 1, 3]
print("start", data)
if data[0] > data[1]:
    data[0], data[1] = data[1], data[0]
print("after one step", data)

Hopcroft-Karp Algorithm for Maximum Matching: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • DefHopcroft-Karp Algorithm for Maximum Matching — Vikram uses it for Vikram walking through Hopcroft-Karp Algorithm for Maximum Matching in lab hour.
  • RuleHopcroft-Karp Algorithm for Maximum Matching → one Hopcroft-Karp Algorithm for Maximum Matching step Vikram can write from memory.
  • RememberHopcroft-Karp Algorithm for Maximum Matching + Big-O (lab hour).
  • UseHopcroft-Karp Algorithm for Maximum Matching in lab hour (Vikram walking through Hopcroft-Karp Algorithm for Maximum Matching).
  • TrapHopcroft-Karp Algorithm for Maximum Matching — copy-pasting Hopcroft-Karp Algorithm for Maximum Matching without a dry-run.
  • ExHopcroft-Karp Algorithm for Maximum Matching → Vikram walking through Hopcroft-Karp Algorithm for Maximum Matching.

Questions

1

In one breath: what does Hopcroft-Karp Algorithm for Maximum Matching do for Vikram?

2

Where does Hopcroft-Karp Algorithm for Maximum Matching show up in lab hour?

3

Viva: one wrong answer people give for Hopcroft-Karp Algorithm for Maximum Matching.

4

Dry-run one Hopcroft-Karp Algorithm for Maximum Matching step Vikram can write from memory and say the result.

Previous← Find a pair with given sum in a Balanced BSTNextInorder predecessor and successor for a given key in BST →
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