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# leetcode

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Rocks D. Xebec

Rocks D. Xebec

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3 min read
Detecting a Cycle in a Linked List (LeetCode 141)

Detecting a Cycle in a Linked List (LeetCode 141)

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2 min read
LeetCode #1458.Max Dot Product of Two Subsequences

LeetCode #1458.Max Dot Product of Two Subsequences

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2 min read
712 Problems Later: What 500+ Days of DSA Really Taught Me

712 Problems Later: What 500+ Days of DSA Really Taught Me

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3 min read
Visual map of LeetCode problems by patterns & sub-patterns

Visual map of LeetCode problems by patterns & sub-patterns

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1 min read
Leetcode Sunday #1

Leetcode Sunday #1

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3 min read
Bag of Tokens (Greedy Two Pointer Technique)

Bag of Tokens (Greedy Two Pointer Technique)

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1 min read
How I Identify the Right DSA Pattern (Before Writing Any Code)

How I Identify the Right DSA Pattern (Before Writing Any Code)

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3 min read
Mahdi Shamlou | Solving LeetCode #5: Longest Palindromic Substring — My Expand-Around-Center Adventure

Mahdi Shamlou | Solving LeetCode #5: Longest Palindromic Substring — My Expand-Around-Center Adventure

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2 min read
LeetCode vs Educative: Which Is Better for Interview Prep in 2026?

LeetCode vs Educative: Which Is Better for Interview Prep in 2026?

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5 min read
Mahdi Shamlou | Solving LeetCode #8: String to Integer (atoi) — Step by Step

Mahdi Shamlou | Solving LeetCode #8: String to Integer (atoi) — Step by Step

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2 min read
Mahdi Shamlou | Solving LeetCode #7: Reverse Integer — My Math-Based Reversal with Overflow Safety

Mahdi Shamlou | Solving LeetCode #7: Reverse Integer — My Math-Based Reversal with Overflow Safety

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2 min read
LeetCode #347. Top K Frequent Element

LeetCode #347. Top K Frequent Element

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1 min read
Mahdi Shamlou | Solving LeetCode #6: Zigzag Conversion — My Row-by-Row Simulation Fun Way

Mahdi Shamlou | Solving LeetCode #6: Zigzag Conversion — My Row-by-Row Simulation Fun Way

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2 min read
Dynamic Programming: 7 Patterns That Solve 90% of DP Problems

Dynamic Programming: 7 Patterns That Solve 90% of DP Problems

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5 min read
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