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Startups SDE-1 Sheet
Strings & Windows
10 problems
problem
Topic Progress0 / 10 solved
Problem List
Work through the problems in sequence to build topic mastery.
| Problem | Difficulty | Status | Optional | Action |
|---|---|---|---|---|
| Valid Anagram | Medium | Unsolved | Required | |
| Valid Palindrome | Medium | Unsolved | Required | |
| Longest Palindrome | Medium | Unsolved | Required | |
| Longest Substring Without Repeating Characters | Medium | Unsolved | Required | |
| Minimum Window Substring | Medium | Unsolved | Required | |
| Find All Anagrams In A String | Medium | Unsolved | Required | |
| Permutation in String | Medium | Unsolved | Required | |
| Longest Repeating Character Replacement | Medium | Unsolved | Required | |
| String to Integer (atoi) | Medium | Unsolved | Required | |
| Valid Parentheses | Medium | Unsolved | Required |
Topic Snapshot
A compact summary of what this sheet section covers and how far you have progressed.
Strings & Windows
Cover common product-interview strings, windows, and parsing tasks.
startups
sde-1
Completion
0%
Problems Remaining
10
Optional Problems
0
Complete the required items first, then use optional problems for extra depth.