notes/OJ notes/pages/Two pointers approach.md
2022-07-10 10:26:30 +08:00

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Two pointers approach

2022-06-14 23:06


Algorithms:

#algorithm #two_pointers

Data structures:

#array #linked_list

Difficulty:

#CS_analysis #difficulty-

tag:#coding_problem tag:#two_pointers -tag:#template_remove_me 

What is Two pointers approach?

By using two pointers, to in place modify array elements.

Why and when to use it?

  • There are two arrays, or linked lists
  • They are sorted, or operation in place will not interfere elements after.