Strings & Two Pointers · Campus Placement DSA Sheet

Campus Placement DSA Sheet

Strings & Two Pointers

11 problems

problem

Topic Progress0 / 11 solved

Problem List

Work through the problems in sequence to build topic mastery.

Problem	Difficulty	Status	Optional
Valid Anagram	Medium	Unsolved	Required
Group Anagrams	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
3Sum	Medium	Unsolved	Required
Container With Most Water	Medium	Unsolved	Required
Trapping Rain Water	Medium	Unsolved	Required

Topic Snapshot

A compact summary of what this sheet section covers and how far you have progressed.

Strings & Two Pointers

Practice anagrams, palindromes, substring windows, and pointer movement.

campus-placement

freshers

Completion

Problems Remaining

Optional Problems

Complete the required items first, then use optional problems for extra depth.

Loading Preptin