Dashboard Companies Problems Sheets Bookmarks Revisions Analytics Leaderboard Compare

Dashboard Companies Problems Sheets Bookmarks

Remove Duplicate Letters — CompanyHub · CompanyHub

Medium

Remove Duplicate Letters

53.2% acceptance · asked by 13 companies

Solve on LeetCode

String Greedy Stack Monotonic Stack

Workspace

Scratch, run, iterate — then submit on LeetCode

Custom input (stdin)

Console

Output appears here. Runs on the free Piston sandbox.

Your notes

Sign in to keep markdown notes on this problem — approach, complexity, gotchas.

Who asks this

Related problems

Valid Parentheses

Longest Substring Without Repeating Characters

Longest Palindromic Substring

Longest Common Prefix

75