Leetcode Weekly Contest 487 || Q1, Q2, Q3, Q4 || Queue, Doubly Linked List, DP || C++ || Watch 2X 🚀
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Govind Pothuraju on Instagram: "👉 Comment “CODE” if you want solutions in C++, Java & Python Day 36/200: LeetCode 1358 — Number of Substrings Containing All Three Characters 💡 Given a string s consisting only of characters 'a', 'b', and 'c', return the number of substrings that contain at least one occurrence of all three characters. ✅ Brute Force: Check all substrings → O(n²) ❌ ✅ Optimal (Sliding Window): O(n) ✅ Approach: Maintain frequency of 'a', 'b', 'c' in a sliding window. Expand the win
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2025 is ending. Here are some lessons I’m bring to the new year: Lesson 1: Social media can bring you opportunities, from gigs to jobs. Many even got SWE internships without Leetcode interviews. Remember to not just post, but also reach out to people. You can post reels, TikToks, tweets, or LinkedIn posts. Anything you’re comfortable with. Find your niche. Lesson 2: Fear shrinks when you realize that trying and failing still moves you forward. Showing up is always progress. You would NEVER know
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Thad | Leetcode Explanations & Tech on Instagram: "sharing the secret method to find the algo to any leetcode problem #codinglife #computerscience #softwareengineer #codinginterview #leetcode"
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