Look Ahead Problems

• Type tagging for look ahead problems ...
  • Example: https://www.youtube.com/watch?v=XMKGP4QlyUY&list=PL9TOCZErLZcPbF_Z7_u3-Y7fPcYRMRepC&index=3
  • when to use ...
    • ordering important ...
    • trying to find items that adhere to specific order ...