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

1Count Palindromic Substringsmedium

Want to keep going?

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

mediumBlind 75

Palindromic Substrings

I count expansions, not substrings. Push outward from each of the 2n-1 centers, and every step that still mirrors adds one.

StringTwo PointersDynamic Programming

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.

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

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

1Count Palindromic Substringsmedium

Code + tests need a desktop

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