Grind Roadmap (Terminal Edition) — Data Structures & Algorithms interview practice path: Blind 75, LeetCode 150 and LeetCode 250 with an in-browser Kotlin judge

grind@roadmap:~█ set:

Roadmap of 18 data structures and algorithms topics

easy medium hard click a node → problem list · progress saved in this browser # crafted by Trei

Problem list for the selected topic

$ cat roadmap.txt

   ┌────────────────────────────────────────┐
   │   grind roadmap  //  terminal edition   │
   └────────────────────────────────────────┘

   18 topics. follow the arrows top → bottom.
   pick a problem set above, click a node,
   tick problems off as you grind them.

   every problem opens an in-browser kotlin editor.
   ‹/›  = curated, bundled sample tests for AC verdict
   $ select a node to begin_

leetcode↗ kotlin

Kotlin editor and sample-test judge

stdin (custom run)

verdict

run to judge against the sample tests · nothing you type is saved

GrindRoadmap web build 2026-10-31 version 2026-07-15

product privacy terms feedback support email

What is new

14 Oct 2026: a product page now explains what GrindRoadmap covers and how it works.

grind:~$ ▾

Sign in to GrindRoadmap

Sign in to open learning actions. Free users continue with ads.

GrindRoadmap Premium

Premium is remove ads only. This purchase applies only to GrindRoadmap.

Delete your Trei learning account? Premium and purchase restore end on every Trei prep site, progress saved on this site is cleared, and you are signed out. This does not cancel an active Premium renewal; email contact.gangwar@gmail.com for that. Payment receipts are kept only as the law requires.

Plans renew automatically every month, six months or year, matching the plan you pick, and are charged to the payment method used at checkout until you cancel. Cancel anytime by emailing contact.gangwar@gmail.com before the next renewal; Premium stays active until the end of the period you already paid for.