Definition, Meaning & Synonyms

two-pointer

Noun
/tuː ˈpɔɪn.tər/
Definition
A two-pointer is a technique commonly used in algorithms that involves utilizing two pointers to traverse data structures in a coordinated manner.
Examples
  • In the two-pointer approach, one pointer may start at the beginning of an array while the other starts at the end.
  • This technique helped solve the problem of finding pairs in the sorted array that add up to a specific sum.
  • Using a two-pointer method, I was able to efficiently reverse the string.
Meaning
The two-pointer technique typically helps in solving problems more efficiently by reducing the time complexity, often used in array or list manipulation.
Synonyms
  • dual-pointer
  • double-pointer
  • two-index