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šŸ“Š Contest Performance Tracker

Weekly Contest #420

Date:

Problems Solved: / 4

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Biweekly Contest #145

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Problems Solved: / 4

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Week 1: Foundation Patterns (Arrays, Hashing, Two Pointers)
Day 1: Array Fundamentals
Pending
[1] Two Sum Easy HashMap
[217] Contains Duplicate Easy HashSet
[53] Maximum Subarray Easy Kadane's
Day 2: Hashing Mastery
Pending
[242] Valid Anagram Easy Frequency
[49] Group Anagrams Medium Grouping
[347] Top K Frequent Elements Medium Bucket Sort
Day 3: Two Pointers Introduction
Pending
[125] Valid Palindrome Easy Two Pointers
[167] Two Sum II Easy Two Pointers
[15] 3Sum Medium Two Pointers
Day 4: Advanced Array Techniques
Pending
[238] Product of Array Except Self Medium Prefix/Suffix
[121] Best Time to Buy and Sell Stock Easy One Pass
[122] Best Time to Buy and Sell Stock II Medium Greedy
Day 5: Sliding Window
Pending
[3] Longest Substring Without Repeating Characters Medium Sliding Window
[424] Longest Repeating Character Replacement Medium Sliding Window
[567] Permutation in String Medium Sliding Window
Day 6: Hard Array Problems
Pending
[128] Longest Consecutive Sequence Hard Union-Find
[560] Subarray Sum Equals K Medium Prefix Sum
[76] Minimum Window Substring Hard Sliding Window
Day 7: Contest + Review
Pending
Weekly Contest Participation Contest Profile Boost
Review 2 problems from this week Review Reinforcement
Document patterns learned Documentation Knowledge
Week 2: Linear Data Structures (Linked Lists, Stacks, Queues)
Day 8: Linked List Basics
Pending
[206] Reverse Linked List Easy Linked List
[21] Merge Two Sorted Lists Easy Merge
[141] Linked List Cycle Easy Two Pointers
Day 9: Advanced Linked Lists
Pending
[19] Remove Nth Node From End Medium Two Pointers
[143] Reorder List Medium Linked List
[2] Add Two Numbers Medium Math
Day 10: Stack Fundamentals
Pending
[20] Valid Parentheses Easy Stack
[155] Min Stack Medium Design
[739] Daily Temperatures Medium Monotonic Stack
Week 3: Trees, Binary Search & Heaps

šŸ“… Days 15-21: Binary Trees, BSTs, Binary Search, Heaps, Tries

This section will auto-populate as you progress through the weeks

Week 4: Graphs, Dynamic Programming & Advanced Patterns

šŸ“… Days 22-30: Graph Algorithms, DP, Backtracking, Mock Interviews

Final week focuses on FAANG-level problems and interview simulation

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