Deepak

Starting my 365 Days of DSA today! Solving & sharing 1 LeetCode problem daily. 📊 Start: 26 solved 🔥 Mission: consistency → growth → mastery If you're on a similar grind, let’s connect and lift each other up. 🚀 #LeetCode #DSA #365DaysOfCode #CodingJourney #CodeDaily #Java

@StealthCoderX Thanks man, trying to stay consistent with it😃

@_deepak25 Nice! Jump Game's a fun one. I remember when I first realized how effective the greedy approach could be for it. Keep up the great work!

📌 Day 82/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅ LC55. Jump Game 🔹 Tracked farthest reachable index while iterating through the array. 🔹 Used greedy approach to detect unreachable positions early. #DSA #LeetCode #Java #CodingJourney #Greedy #100DaysOfDSA

📌Day 81/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅LC1886. Determine Whether Matrix Can Be Obtained By Rotation 🔹Tried all 4 rotations (0°, 90°, 180°, 270°) and compared with target. 🔹Used matrix rotation logic and element-wise comparison. #DSA #LeetCode #Java

📌Day 80/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅LeetCode 3643. Flip Square Submatrix Vertically 🔹Select k×k square using (x, y) as top-left. 🔹Swap top and bottom rows to flip vertically. #DSA #LeetCode #Java #CodingJourney #Matrix #100DaysOfDSA #LearningInPublic

Day 79/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅LC122. Best Time to Buy and Sell Stock II 🔹Add profit whenever price increases from previous day. 🔹Sum all positive differences for maximum total profit. #DSA #LeetCode #Java #CodingJourney #Greedy #100DaysOfDSA

📌Day 78/365 of #365DaysOfDSA Solved 1 DSA Problem Today ✅LC3212. No. of Submatrices With Equal Frequency of X and Y 🔹Used prefix sum idea to accumulate X and Y counts row-wise and column-wise 🔹Tracked rectangles from (0,0) to (i,j) and checked balance condition (X == Y) & X>0

📌Day 77/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅LC 58. Length of Last Word 🔹Trim the string to remove trailing spaces 🔹Traverse from the end and count characters until a space is found #DSA #LeetCode #Java #CodingJourney #Consistency #ProblemSolving #100DaysOfCode

@yugalredhu Yeah 😄 kept it simple

@_deepak25 Simple and effective approach 😄

📌Day 76/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅LC905. Sort Array By Parity 🔹Used two pointers to place even elements from start and odd from end. 🔹Traversed once and filled result array efficiently. #DSA #LeetCode #Java #CodingJourney #Consistency #Programming

📌Day 75/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅1678. Goal Parser Interpretation 🔹Traverse the command string character by character. 🔹Append "G", "o", or "al" to the result based on the pattern encountered. #DSA #LeetCode #Java #CodingJourney #100DaysOfDSA

📌Day 74/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅1732. Find the Highest Altitude 🔹Traverse the gain array while maintaining the current altitude. 🔹Update the maximum altitude using Math.max at each step. #DSA #LeetCode #Java #CodingJourney #100DaysOfDSA

📌Day 73/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅ LC 557. Reverse Words in a String III 🔹Traverse the string character by character. 🔹Reverse each word while building it, and append it when a space appears. #DSA #LeetCode #Java #CodingJourney #100DaysOfDSA #Strings

📌Day 72/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅LC 560. Subarray Sum Equals K 🔹Generated all subarrays using two loops. 🔹Kept a running sum and counted whenever it equals k. #DSA #LeetCode #Java #CodingJourney #Consistency #100DaysOfDSA #ProblemSolving #Coding

📌Day 71/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅ 167. Two Sum II – Input Array Is Sorted 🔹Used two pointers (start & end). Move left if sum < target, move right if sum > target. 🔹When sum equals target, return the 1-indexed positions. #LeetCode #DSA #CodingJourney

📌Day 70/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today (Both are Same) ✅LC 476. Number Complement ✅LC 1009. Complement of Base 10 Integer 🔹Converted number to binary, flipped bits, and converted back to decimal #DSA #LeetCode #BitManipulation #CodingJourney #100DaysOfDSA

📌Day 69/365 of #365DaysOfDSA 🚀 Resolved 1 DSA Problem Today ✅852. Peak Index in a Mountain Array 🔹Used binary search on slope comparison (arr[mid] vs arr[mid+1]) to detect ascending/descending side 🔹Moved towards the peak by shrinking the search space until start == end #DSA

📌Day 68/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅448. Find All Numbers Disappeared in an Array 🔹Used HashSet to store all elements from array 🔹Iterated from 1 → n and added numbers not present in the set to the result list #DSA #LeetCode #Java #ProblemSolving

📌Day 67/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅ LC1980 – Find Unique Binary String 🔹Generated all possible binary strings of length n (2^n) 🔹Removed strings already present in the array and returned the remaining one #DSA #LeetCode #CodingJourney #ProblemSolving

📌 Day 66/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅LC1888 – Minimum Number of Flips to Make the Binary String Alternating 🔹Used string doubling (s + s) to simulate all possible rotations 🔹Applied sliding window of size n to count mismatches with alternating patterns

📌Day 65/365 of #365DaysOfDSA 🚀 Solved 1 DSA Problem Today ✅ LC1784 – Check if Binary String Has at Most One Segment of Ones 🔹 Valid string cannot contain "01" pattern 🔹 If "01" appears → more than one segment of 1s ❌ #DSA #LeetCode #Java #100DaysOfDSA #CodingJourney