DSA · Theory

Arrange Consonants and Vowels in a linked list

Theory

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Arrange Consonants and Vowels in a linked list

Isha only reaches for Arrange Consonants and Vowels in a linked list when a ticket queue node has to stay correct in a counter.

Arrange Consonants and Vowels in a linked list order: meaning → head → next → … → one limit. Dumping ten features helps nobody.

Arrange Consonants and Vowels in a linked list exists so Isha can keep a ticket queue node correct in a counter.

Arrange Consonants and Vowels in a linked list shows up in a counter. Name a ticket queue node, not “a real-world scenario”.

Arrange Consonants and Vowels in a linked list miss: losing the next pointer on delete. Fix it before you talk about advanced DSA.

After Arrange Consonants and Vowels in a linked list, Isha should still remember losing the next pointer on delete.

One breath for Arrange Consonants and Vowels in a linked list, then a ticket queue node, then losing the next pointer on delete. Sit down.

Diagram

  [10] → [20] → [30] → /
   head              tail

Exam tip

Say Arrange Consonants and Vowels in a linked list in one breath, then head → next → …, then losing the next pointer on delete.

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

Arrange Consonants and Vowels in a linked list — a linked list chains nodes with next pointers instead of contiguous indexes.

Short notes

DefArrange Consonants and Vowels in a linked list — Isha uses it for a ticket queue node in a counter.
RuleArrange Consonants and Vowels in a linked list → head → next → ….
RememberArrange Consonants and Vowels in a linked list + time vs memory (a counter).
UseArrange Consonants and Vowels in a linked list in a counter (a ticket queue node).
TrapArrange Consonants and Vowels in a linked list — losing the next pointer on delete.
ExArrange Consonants and Vowels in a linked list → a ticket queue node.

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

Arrange Consonants and Vowels in a linked list

Example

Short notes

Questions

Arrange Consonants and Vowels in a linked list

Example

Short notes

Questions