Day 6/ 84 — #DSA #LeetCode #ArrayProblems #solved today: 1) Merge Intervals

Day 5/ 84 — #DSA #LeetCode #ArrayProblems #solved today: 1) Majority Element 2) Insert Interval

⚡ Daily Coding Problem! Find duplicates in an array - BUT with O(1) extra space! Input: [1,2,3,2,4,3,5] Output: [2,3] Can you solve it without HashMap? 🧠 Share your approach in comments! #Algorithms #ArrayProblems #OptimizedCode #JavaCoding

LeetCode 2149 – Rearrange Array Elements by Sign Solved: Rearrange array with alternating+ve and-ve elements Used two lists to collect positives & negatives Then merged alternately→O(n) time,O(n) space Great for understanding order-based array handling! #LeetCode #ArrayProblems

LeetCode 414 – Third Maximum Number Solved: Find the 3rd distinct max number in the array Used a set to track unique values Handled edge case: return max if < 3 distinct numbers Cleans up logic around max tracking & uniqueness! #LeetCode #PythonDSA #ArrayProblems

LeetCode 905 – Sort Array By Parity Solved: Sort array so even numbers come before odds Used two-pointer approach to build new array Also tried in-place method using swaps Great for strengthening conditional + pointer logic! #LeetCode #PythonDSA #ArrayProblems

LeetCode 941 – Valid Mountain Array Solved: Check if the array forms a valid mountain shape Strictly increasing, then strictly decreasing Used two-pointer climb + descent logic Edge cases = key here Great mix of condition checks & pointer flow! #LeetCode #PythonDSA #ArrayProblems

LeetCode 1089 – Duplicate Zeros Solved: Duplicate each zero in the array in-place, shifting elements right Used two passes: Count how many zeros can be duplicated Fill from the back using reverse two-pointer Great for tricky in-place logic! #LeetCode #PythonDSA #ArrayProblems

LeetCode 1295 – Find Numbers with Even Number of Digits Solved: Count how many numbers in the array have even digits Used len(str(num)) % 2 == 0 to check digit count Clean loop, simple condition — perfect warm-up! #LeetCode #PythonDSA #ArrayProblems

🚀 #GFG160 – Day 106: Unique Number II 🧠⚡ Today’s challenge was a step up — finding two unique numbers where all others appear twice. ✔️ Unique Number II #ArrayProblems #GeeksforGeeks #100DaysOfCode #geekstreak2025 @geeksforgeeks

2. Arrays & Strings 🧵 “Easy problems” → Take 2 hours. → Fail 5 test cases. → Off-by-one error strikes again. #DSA #ArrayProblems #TechTwitter

🚀 #GFG160 – Day 96: Market Moves Mastered! 📈 Solved the Stock Span Problem today — used a monotonic stack to efficiently calculate consecutive days with lower stock prices! ✔️ Stock Span Problem #ArrayProblems #GeeksforGeeks #100DaysOfCode #geekstreak2025 @geeksforgeeks

🚀 Solving Array Problems in Python 🧠 Q1: Second Largest Element Given an array, return the second largest element, or -1 if it doesn't exist. #Python #ArrayProblems #Coding

Raise your hand if an OutOfBoundsException has ever made you question reality 🙋‍♂️. It happens to the best of us! Discover how to debug, catch, and control these pesky errors, Xojo-style: documentation.xojo.com/api/exceptions… #DevLife #Xojo #ArrayProblems #Programming

Day 52 of #gfg160 ✅ Solved "Count Pairs with Sum < Target" Used sorting + two pointers to count valid pairs efficiently. #TwoPointers #ArrayProblems #geekstreak2025 #CodeEveryday

🚀 #GFG160 – Day 43: Streak Finder Activated! 🔥📈 Solved the Longest Consecutive Subsequence problem today ✔️ Longest Consecutive Subsequence #ArrayProblems #StreakLogic #GeeksforGeeks #100DaysOfCode #geekstreak2025 @geeksforgeeks

🚀 #GFG160 – Day 41: Intersection with Duplicates! 🔁➕ Solved the Intersection of Two Arrays with Duplicate Elements problem today ✔️ Intersection of Two Arrays with Duplicates #Hashing #ArrayProblems #GeeksforGeeks #100DaysOfCode #geekstreak2025 @geeksforgeeks

🚀 #GFG160 – Day 39: Counting the Perfect Pairs! 🔢 Solved the Count Pairs with Given Sum problem today — efficient hashing made it a breeze! ✔️ Count Pairs with Given Sum #HashMap #ArrayProblems #GeeksforGeeks #100DaysOfCode #geekstreak2025 @geeksforgeeks

🚀 #GFG160 – Day 33: Rotating the Grid! 🔁📐 Solved the Rotate Matrix by 90 Degrees problem today — nailed it with in-place transformation and transposition! ✔️ Rotate by 90 Degrees #MatrixManipulation #ArrayProblems #GeeksforGeeks #100DaysOfCode #geekstreak2025 @geeksforgeeks

🚀 #GFG160 – Day 27: Finding the Peak! ⛰️🔍 Solved the Peak Element problem today – where the element is greater than its neighbors! ✔️ Peak Element #BinarySearch #ArrayProblems #GeeksforGeeks #100DaysOfCode #geekstreak2025 @geeksforgeeks