Week 2

Patterns: Two Pointers
Total Problems: 13
Completed: 12 (92%)

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Progress by Difficulty

Difficulty	Total	Completed	Remaining	Percentage
🟢 Easy	3	3	0	100%
🟡 Medium	8	7	1	88%
🔴 Hard	2	2	0	100%

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Problems

#	Problem	Pattern	D	Status	Conf
21	Remove Duplicates from Sorted Array	Two Pointers	E	✅	HGH
22	Valid Palindrome	Two Pointers	E	✅	HGH
23	Move Zeroes	Two Pointers	E	✅	HGH
24	Container With Most Water	Two Pointers	M	✅	MED
25	3Sum	Two Pointers	M	✅	LOW
26	3Sum Closest	Two Pointers	M	✅	LOW
27	4Sum	Two Pointers	M	✅	LOW
28	Remove Duplicates from Sorted Array II	Two Pointers	M	⬜	MED
29	Compare Version Numbers	Two Pointers	M	✅	HGH
30	Two Sum II - Input Array Is Sorted	Two Pointers	M	✅	HGH
31	Squares of a Sorted Array	Two Pointers	M	✅	HGH
32	Trapping Rain Water	Two Pointers	H	✅	LOW
33	Minimum Window Substring	Two Pointers	H	✅	LOW

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Last Updated: 2026-02-13 19:40:00
Auto-generated from CSV by update_progress.py