Intuit

5 problems asked at Intuit.

Easy (2)

Two Sum (Leetcode 1)

Two Pointers, Arrays

Valid Parentheses (Leetcode 20)

Stack, Strings

Medium (1)

Longest Substring Without Repeating Characters (leetcode 3)

Sliding Window, Strings, Hashing

Hard (2)

Maximal Rectangle (Leetcode 85) (largest rectangle with all 1's)

Matrix, Stack

Trapping Rain Water (LC 42)

Two Pointers, Prefix and Suffix Arrays, Stack