AI LeetCode Tutor

Your AI LeetCode tutor

Learn to solve coding problems, don't just memorize them. Practice in 8 languages against a live judge, then get coached by an AI interviewer that asks follow-ups and scores your approach — so you pass on your own.

A tutor that teaches, not one that solves for you

The point isn't a green checkmark — it's understanding why the solution works so the next problem is easier.

Solve real problems

Work through curated problems from easy to hard in a Monaco editor against a real judge — in 8 languages, with per-case results so you know exactly what broke.

Get coached, not just graded

An AI interviewer runs mock rounds: it asks follow-up questions, points out where your approach falls apart, and scores you against a clear rubric — like a tutor sitting beside you.

Learn the patterns

Two pointers, sliding window, graphs, dynamic programming — build the pattern recognition that transfers to problems you've never seen, instead of memorizing answers.

Practice in 8 languages

Solve and run your solution in the language you'll actually use in the interview — every one runs against a real judge.

PythonJavaScriptTypeScriptGoJavaC++C#PHP
The coding workspace

A real LeetCode-grade editor, right in Talorr

Switch languages, drag the divider, run against tests — this is the exact workspace you get inside Practice. Go ahead, try it.

Merge Intervals
29:14Talorr credit8
Mediumarraysortingintervals
Asked at Google Amazon Meta

Given an array of intervals where intervals[i] = [start, end], merge all overlapping intervals, and return an array of the non-overlapping intervals that cover all the intervals in the input.

Examples

Example 1

Input:
intervals = [[1,3],[2,6],[8,10],[15,18]]
Output:
[[1,6],[8,10],[15,18]]

Since [1,3] and [2,6] overlap, merge them into [1,6].

Example 2

Input:
intervals = [[1,4],[4,5]]
Output:
[[1,5]]

[1,4] and [4,5] are considered overlapping.

Constraints

1 <= intervals.length <= 10^4
intervals[i].length == 2
0 <= start <= end <= 10^4

Hints

0/3
AI
1def merge(intervals):
2 intervals.sort(key=lambda x: x[0])
3 out = []
4 for start, end in intervals:
5 if out and start <= out[-1][1]:
6 out[-1][1] = max(out[-1][1], end)
7 else:
8 out.append([start, end])
9 return out
5/5 cases passed (all tests)
Case 1 Passed
Expected:
[[1,6],[8,10],[15,18]]
Got:
[[1,6],[8,10],[15,18]]
Case 2 Passed
Expected:
[[1,5]]
Got:
[[1,5]]

Monaco editor

8 languages with a real judge.

Run against tests

Per-case expected vs. got, instantly.

Graded AI hints

Nudges that never spoil the answer.

Interview tracks

Practice the exact loop you're interviewing for

Pick a track tuned to a real role and seniority at a top company — each bundles the coding problems and behavioral questions that loop actually asks.

  • Targeted by company, role & seniority
  • Recommended from your resume & live applications
  • Coding problems plus an AI behavioral round
Interview Prep
6 tracks
AI coding interview

Defend your solution to an AI interviewer

After you solve a problem, a senior engineer probes your approach, complexity and edge cases — then hands back a hire-signal scorecard.

  • Follow-up questions on your real code
  • Scored on correctness, complexity & clarity
  • Concrete feedback you can act on
AI Mock Interview
Q 3/6
What's the time complexity of your sort-then-merge approach — and could you do better?
Sorting dominates at O(n log n); the single merge pass is linear, so overall O(n log n)…
88/100
Scorecard

Solid — articulate the space trade-off next time.

Correctness
92
Complexity
86
Communication
84
Edge cases
80
Behavioral mock · STAR

Rehearse behavioral rounds with an AI hiring manager

A senior interviewer grounded in your resume runs a STAR-method behavioral round, one question at a time, then scores you on structure, impact and role fit.

  • Questions personalized to your background
  • STAR-structured, with a detailed scorecard
  • Clear next steps to fix before the real thing
Behavioral · STAR
Q 2/5
Tell me about a time you led a backend project through major ambiguity.
I owned our payments migration when the spec kept shifting…
86/100
Scorecard

Strong hire signal — tighten your results metrics.

STAR structure
88
Impact
84
Communication
82
Role fit
90
Progress tracker

Watch yourself get interview-ready

Every run and submit feeds a tracker that shows what you've mastered and what to drill next — by difficulty, topic and streak.

  • Solved count, accuracy & day streaks
  • Breakdowns by difficulty and topic
  • An activity heatmap to keep the habit
Progress tracker

18/26

69% solved

86%

Submit accuracy

7

Day streak

12

Longest streak

By difficulty

Easy
10/12
Medium
7/11
Hard
1/3

Activity

142 submissions
26 problems · easy to hard 8 languages AI coding + behavioral mocks
Start practicing

Built to help you pass on your own

The internet is full of tools that promise to feed you answers, invisibly, during a live interview. That's not what this is. Talorr is a tutor: it makes you better before the interview so you walk in able to solve and explain problems yourself. Real skill beats a hidden crutch — and it's the only thing that holds up on the job.

Preparing for a specific employer? See company-by-company coding interview guides →

AI LeetCode tutor questions

It's an AI-powered way to prepare for coding interviews. Instead of just handing you answers, Talorr gives you real problems to solve against a live judge, then an AI interviewer coaches you — asking follow-up questions, flagging where your logic breaks, and scoring your approach — so you learn the patterns and can solve new problems on your own.

Yes — if the AI teaches rather than solves for you. Talorr is built to grow your skill: you write the code, the AI probes your reasoning and highlights gaps, and you practice the recurring patterns until they click. That's how you improve, not by copying solutions.

You can start for free. The free plan includes a daily allowance of coding runs and AI mock-interview sessions; Talorr+ removes the limits for heavier prep.

No. Using AI to prepare before an interview is smart practice — like a tutor or study partner. What's not okay is using an AI assistant during a live interview to feed you answers. Talorr is built for genuine preparation so you pass on your own merit.

Eight: Python, JavaScript, TypeScript, Go, Java, C++, C#, and PHP — each running against a real code-execution judge, so you practice in the language you'll actually use in the interview.

Learn LeetCode with an AI tutor free

Drill real problems, get coached by an AI interviewer, and build the pattern recognition that lands the offer.

Start learning free