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DSA · Theory

Find the first circular tour that visits all petrol pumps

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Theory

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Find the first circular tour that visits all petrol pumps

Amit only reaches for Find the first circular tour that visits all petrol pumps when Amit walking through Find the first circular tour that visits all petrol pumps has to stay correct in a small live site.

Find the first circular tour that visits all petrol pumps on the board: one Find the first circular tour that visits all petrol pumps step Amit can write from memory. Then say what Amit walking through Find the first circular tour that visits all petrol pumps looks like after.

Find the first circular tour that visits all petrol pumps exists so Amit can keep Amit walking through Find the first circular tour that visits all petrol pumps correct in a small live site.

Amit ships Find the first circular tour that visits all petrol pumps in a small live site. That is the use case worth saying.

If Amit walking through Find the first circular tour that visits all petrol pumps breaks under Find the first circular tour that visits all petrol pumps, check copy-pasting Find the first circular tour that visits all petrol pumps without a dry-run first.

After Find the first circular tour that visits all petrol pumps, Amit should still remember copy-pasting Find the first circular tour that visits all petrol pumps without a dry-run.

Close Find the first circular tour that visits all petrol pumps with: “If I skip it, Amit walking through Find the first circular tour that visits all petrol pumps goes wrong like this: copy-pasting Find the first circular tour that visits all petrol pumps without a dry-run.”

Exam tip

Say Find the first circular tour that visits all petrol pumps in one breath, then one Find the first circular tour that visits all petrol pumps step Amit can write from memory, then copy-pasting Find the first circular tour that visits all petrol pumps without a dry-run.

Example

class Node:
    def __init__(self, val, next=None):
        self.val = val
        self.next = next

head = Node(1, Node(2, Node(3)))
cur = head
while cur:
    print(cur.val, end=" -> " if cur.next else "\n")
    cur = cur.next

Find the first circular tour that visits all petrol pumps — a linked list chains nodes with next pointers instead of contiguous indexes.

Short notes

  • DefFind the first circular tour that visits all petrol pumps — Amit uses it for Amit walking through Find the first circular tour that visits all petrol pumps in a small live site.
  • RuleFind the first circular tour that visits all petrol pumps → one Find the first circular tour that visits all petrol pumps step Amit can write from memory.
  • RememberFind the first circular tour that visits all petrol pumps + a dry-run table (a small live site).
  • UseFind the first circular tour that visits all petrol pumps in a small live site (Amit walking through Find the first circular tour that visits all petrol pumps).
  • TrapFind the first circular tour that visits all petrol pumps — copy-pasting Find the first circular tour that visits all petrol pumps without a dry-run.
  • ExFind the first circular tour that visits all petrol pumps → Amit walking through Find the first circular tour that visits all petrol pumps.

Questions

1

Amit asks: why does Find the first circular tour that visits all petrol pumps exist? Use Amit walking through Find the first circular tour that visits all petrol pumps.

2

When would Amit actually reach for Find the first circular tour that visits all petrol pumps?

3

Viva: one wrong answer people give for Find the first circular tour that visits all petrol pumps.

4

Write the smallest Find the first circular tour that visits all petrol pumps step on Amit walking through Find the first circular tour that visits all petrol pumps. What happens?

Previous← Find the first non-repeating character from a stream of charactersNextFind the tasks completed by soldiers based on their ranks →
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