Linked List Cycle

Meet your coaches

Talk through the problem while you code. Guest text is free. Hosted voice is the Own Words Pack.

1Linked List Cycle (Floyd's)easy

Based onLeetCode

Want to keep going?

$79 once — Own Words Pack. Hosted voice. We pay the model bill.

See pricing

easyBlind 75

Linked List Cycle

Linked List Cycle is where Floyd's tortoise and hare earns its keep: two pointers, one moving twice as fast, must meet inside any loop. The hash-set answer works but spends O(n) memory you do not need. Get the fast-and-slow rhythm here and cycle-entry and middle-of-list fall out for free.

Linked ListTwo Pointers

Chat with Fin or Coco right now on mobile.

Start talking through the problem here. Switch to desktop when you're ready to code and run tests.

Start coaching session

Meet your coaches

Talk through the problem while you code. Guest text is free. Hosted voice is the Own Words Pack.

Start coached rep

Start a coached rep now. Guest text is free. Sign in if you want this work on another device.

Email me this coached-rep link

1Linked List Cycle (Floyd's)easy

Based onLeetCode

Code + tests need a desktop

Chat works on this phone. Email yourself a link when you want the editor and tests.