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Practice With AI

Think out loud while solving problems, and get evaluated on your thought process.

Popular Problems

Coding Problems

Two Sum

Array, Hash Table

Easy

Longest Substring Without Repeating Characters

String, Sliding Window

Medium

Trapping Rain Water

Array, Two Pointers

Hard

Quant Problems

Aging Circle Spin

Reasoning, Intuition, Algebra

Easy

Black-Scholes Option Pricing

Options, Mathematical Finance

Hard

Coin Flip Dynamics

Probability, Statistics

Medium

Popular Practice Topics

Arrays & Hashing45
Two Pointers28
Dynamic Programming52
Binary Trees38
Graphs31
Backtracking22
Linked Lists19
Math & Geometry34