📜 Day 46 of #gfg160 .Solved Union of Arrays with Duplicates 🔗.Used HashSet to combine unique elements from both arrays. Clean O(n + m) logic 💡.No duplicates, just pure union!.Grind continues! 🔥.Thanks @geeksforgeeks 🙏.#JavaMode #DSA #ArrayOps #geekstreak2025

📜 Day 61 of #gfg160 .Solved “Equilibrium Point” ⚖️ in arrays!.Balanced left & right sums at index i ➗.Used totalSum - leftSum - arr[i] == leftSum 💡.Single pass & O(n) clean!.Cheers @geeksforgeeks 🙌.#JavaMode 🚀 #geekstreak2025 #dsa #prefixsum #gfg

📜 Day 47 of #gfg160 .Solved Longest Consecutive Subsequence 🔗.Used HashSet for O(n) lookup & detected sequence starts! 🚀.Found max streaks like 1️⃣2️⃣3️⃣4️⃣5️⃣6️⃣ in unsorted arrays. Pure logic, no sort needed! 🧠.@geeksforgeeks 🙏.#JavaMode #DSA #ArrayOps #geekstreak2025

📜 Day 60 of #gfg160 .Conquered “Container With Most Water” 🧱💧.Went full throttle with Two Pointers ➡️⬅️.Calculated width × min height = max H2O trapped 🧠.Efficient, elegant & O(n) swift ⚡.Cheers @geeksforgeeks 🙌.#JavaMode 🚀 #geekstreak2025 #dsa #twopointers #gfg

📜 Day 63 of #gfg160 .Solved “Largest Subarray of 0’s and 1’s” ⚖️.Mapped 0 ➡️ -1 & used HashMap+Prefix Sum 🧠.Tracked first occurrence of sum to find longest balanced subarray in O(n)�� .One pass. Pure logic! 💯.Thanks @geeksforgeeks 🙏.#JavaMode #dsa #prefixsum #geekstreak2025

📜 Day 64 of #gfg160 .Solved “Product array puzzle” 🧩.No division used! ✅ Tackled with prefix & suffix products in O(n) ⌛.One pass to build the result 💪.Space-efficient & 32-bit safe 🛡️.Thanks @geeksforgeeks 🙌.#JavaMode #dsa #arraylogic #prefixsuffix #geekstreak2025

📜 Day 54 of #gfg160 .Solved "Pair with given sum in a sorted array" 🤝.Used Two-pointer magic on sorted input for O(n) ⚡.Handled dupes smartly for exact pair counts 🎯.Fun edge cases too!.Thanks @geeksforgeeks 🙌.#JavaMode #twopointers #geekstreak2025 #dsa

📜 Day 59 of #gfg160 .Solved "Trapping Rain Water" ☔.Used Two Arrays (Prefix + Suffix Max) for O(n) drip magic 💧.Simulated valleys & caught every drop 💦.Drenched in logic, but dry in bugs ✅.Thanks! @geeksforgeeks 🙌.#JavaMode 🚀 #geekstreak2025 #dsa #twopointers #gfg

📜 Day 51 of #gfg160 .Solved Count all triplets with given sum in sorted array ➕➕➕.Used 2-pointer with fixed base + smart duplicate handling ✅.Optimized to O(n²) with clean edge case coverage 🔍.Thanks! 🙌 @geeksforgeeks .#JavaMode #geekstreak2025 #twopointers #triplets

📜 Day 62 of #gfg160 .Solved “Longest Subarray with Sum K” 🧮.Used HashMap + Prefix Sum for O(n) magic ✨.Tracked first occurrence of prefix to stretch subarray length 🎯.Max length in one pass!.@geeksforgeeks 🙌.#JavaMode 🚀 #geekstreak2025 #dsa #prefixsum #gfg

📜 Day 52 of #gfg160 .Solved Count Pairs whose sum is less than target ➖🎯.Used sorting + 2-pointer for efficient O(n log n) ➕ O(n) sweep 🚀.Handled all pairs strictly below target with clean logic ✅.@geeksforgeeks .#JavaMode #twopointers #geekstreak2025 #arrays

📜 Day 49 of #gfg160 .Solved Subarrays with Sum K ➕➖.Used prefix sum + HashMap for optimal O(n) 🧠.Tracked cumulative sums to count subarrays in real-time 🧩.Handled negatives too!.Clean & efficient Java solution 🚀.Thanks! @geeksforgeeks 🙏.#JavaMode #geekstreak2025

📜 Day 53 of #gfg160 .Solved "Sum Pair Closest to Target" 🎯.Sorted + Two-pointer approach for optimal O(n log n) ⏱️.Handled tie-breakers with max absolute diff logic 💡.Neat edge handling ✅.Thanks! @geeksforgeeks 🙏.#JavaMode #twopointers #geekstreak2025

📜 Day 50 of #gfg160 .Solved Count Subarrays with given XOR ✖��➕.Used prefix XOR + HashMap for fast O(n) ⚡.Tracked XOR pairs to find subarrays in real-time 🧠.Clean Java code with edge cases handled 🔍.Thanks! @geeksforgeeks 🙌.#JavaMode #geekstreak2025 #bitmagic

📜 Day 57 of #gfg160 .Solved "Count Distinct Elements in Every Window" 🧠.Used HashMap + Sliding Window magic 🔁.Optimized for O(n) ⏱️ and crushed edge cases 💪.Another Medium-level win in #JavaMode 🧵.@geeksforgeeks you're the real MVP 🙌.#geekstreak2025 #dsa #hashmap

📜 Day 58 of #gfg160 .Solved "Longest Substring with All Distinct Characters" 🔡.Used HashSet+Sliding Window 🪟 for O(n) magic 💡.Handled repeats like a pro 🔁 & maxed out substring length 💪.Onward in #JavaMode 🚀.@geeksforgeeks you're the GOAT 🐐.#geekstreak2025 #dsa #hashset

📜 Day 55 of #gfg160 .Solved "Count the number of possible triangles"🔺.Used Two-pointers + Sorting 💡.Checked triangle inequality efficiently for O(n²) magic ✨.Fun to see 0s turn into 6s with clever bounds 😎.Thanks @geeksforgeeks 🙏.#JavaMode #twopointers #geekstreak2025 #dsa

📜 Day 56 of #gfg160 .Solved "Indexes of Subarray Sum" 🧮.Used Sliding Window 💡.Handled non-negatives & edge cases like a pro ⚙️.Felt good converting -1s into crisp indices 🔍.Thanks @geeksforgeeks 🙌.#JavaMode #slidingwindow #geekstreak2025 #dsa

📜 Day 65 of #gfg160 .Cracked “Reverse a Linked List” 🔁.Classic pointer-play in #JavaMode 💻.Used 3-pointer approach in O(n) ⏱️.No extra space, just smart moves! 🧠.Head-first into DSA basics 🧩.Thanks @geeksforgeeks 🙌.#dsa #linkedlist #geekstreak2025 #100DaysOfCode