LLilSardarXinlilsardarxcodes.hashnode.dev·May 21, 2025 · 4 min readLC #49: Group Anagrams🧠 Problem Statement Given an array of strings, group the anagrams together. Return the grouped anagrams as a list of lists. 📎 Leetcode Link Group Anagrams – Leetcode #49 💡 Intuition Anagrams share the same characters. If you sort their letter...00
LLilSardarXinlilsardarxcodes.hashnode.dev·May 21, 2025 · 3 min readLC #242: Valid Anagrams🧠 Problem Statement Given two strings s and t, return true if t is an anagram of s, and false otherwise.An anagram uses the same characters and the same frequency, but in any order. 🔗 Leetcode Link Valid Anagram – LC #242 💥 Brute Force // gen...00
LLilSardarXinlilsardarxcodes.hashnode.dev·May 21, 2025 · 2 min readLC #217: Contains Duplicate🧠 Problem Statement Check if any element appears more than once in the array. 🔗 Leetcode Link Contains Duplicate - LC #217 💥 Brute Force for (int i = 0; i < nums.length; i++) { for (int j = i + 1; j < nums.length; j++) { if (nums[...00
LLilSardarXinlilsardarxcodes.hashnode.dev·May 18, 2025 · 2 min readRevision: Binary SearchThis is a quick revision sheet for Binary Search DSA pattern.👉 Here is the link to the OG full-length post Binary Search Pattern – The Interviewer's Favorite Use this page for last-minute interview prep, fast memory refresh, or revisiting key templa...00
LLilSardarXinlilsardarxcodes.hashnode.dev·May 18, 2025 · 20 min readDSA Patterns: Binary Search🔍 Binary Search Pattern – The Interviewer's Favorite 🧠 TL;DR - What to Focus On This guide is long — but structured. Use the Table of Contents (TOC) as your best friend to glance, skim, or jump around. Here's where to go based on your goal: ✅ Just...00