Feb 2
Lecture 23 of STRIKE DSA
Worked on matrix-based problems today:
• Search in 2D matrices
• Spiral traversal
• Transpose & rotations
• Row-wise computations
Instructor - @rohit_negi9 sir
#DSA #Matrix #2DArray #ProblemSolving
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Jan 29
Lecture 22 of STRIKE DSA
Revised 2D arrays today:
• Memory layout of 2D arrays
• Matrix transpose problem
Keeping the basics strong.
Instructor - @rohit_negi9 sir
#DSA #Cplusplus #2DArray #ProblemSolving #Array #heap
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132
DAY - 34 of STRIKE
LECTURE - 22 of DSA was about Introduction to 2D - Array by @rohit_negi9 bhaiya
#2darray #dsa #strike #rohitnegi #ProblemSolving
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543
Jan 20
Lecture 22 | DSA (Strike Course by @rohit_negi9)
Today I learned 2D arrays fundamentals — initialization, value assignment, memory addressing, and matrix transpose. Built clarity on how matrices work internally and in memory.
#DSA #2DArray #Matrix #Cplusplus #DailyLearning
1
16
136
🚀 Day 3/30 – DSA Challenge
Solved 2D Array Advanced Problems ✅
Worked on matrix logic, traversal & optimization 🧠
Code uploaded on GitHub 💻
#DSA #CodingLife #30DaysOfDSA #Java #2DArray #Matrix
👉 github.com/hemantkumargola/j…
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8 Nov 2025
#Day42/180 of my DSA journey. Today I learned and practiced key array and binarysearch concepts
•Binary search in a 2DArray.
•Search in a sorted 2Darray.
•Find missing and repeating element
•Find majority element
#CoderArmy #DSA
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1,632
26 Aug 2025
Maximum Area of Longest Diagonal Rectangle: leetcode.com/problems/maximu…
My Solution:
Time Complexity: O(N)
Space Complexity: O(1)
#LeetCode #Array #Vector #DSA #CPP #CodingChallenge #Programming #Problem #Solution #2dArray
4
50
20 Aug 2025
Pascal's Triangle: leetcode.com/problems/pascal…
My Solution:
Time Complexity: O(N^2)
Space Complexity: O(N^2)
#LeetCode #Array #2dArray #Cpp #CodingChallenge #Problem #Solution
4
74
16 Aug 2025
Day 35.
✅Exercise 35Push-ups
🌐Web development.
✅JavaScript Call hell, promises, then() catch().
✅Java -> functions,arrays,2Darray, String functions.
Let's connect & learn ⚡️
#DSA #buildinpublic #WebDevelopment #LeetCode
5
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391
4 Aug 2025
🔥 Day 327 of #geekstreak2025
✅ GFG POTD: Maximum Sum Rectangle
🧠 Reduced 2D to 1D using Kadane’s algorithm by fixing left & right column boundaries and compressing rows — classic max submatrix sum trick!
#potd #gfg327 #kadane #2darray #dsa #geekstreak2025
6
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3 Aug 2025
🔥 Day 326 of #geekstreak2025
✅ GFG POTD: 2D Difference Array
🧠 Used a 2D prefix-diff matrix to apply range updates in constant time, followed by cumulative row & col sums to build the final matrix.
Smart and efficient!
#potd #gfg326 #2darray #prefixsum #dsa #geekstreak2025
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31 Jul 2025
🔁Day 38 of #100DaysOfCode
Solved @LeetCode medium: "𝟰𝟴. 𝗥𝗼𝘁𝗮𝘁𝗲 𝗜𝗺𝗮𝗴𝗲"
Approach: Transpose the matrix->Reverse each row
#LeetCode #DSA #CodingChallenge #nationskillup #skillupwithgfg #ravixpanchal #Cplusplus #2DArray
@ai_ds_gsv , @geeksforgeeks , @ShradhaKhapra_
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24 Jul 2025
Days 15 of #100DaysOfCode
Today I learned some 2d array problems
- Print no of 7's in the 2d array
- Sum of 2nd row
- Print transpose of matrix
#Java #DSA #2dArray
6
49
17 Jun 2025
LeetCode Day 68
1260. Shift 2D Grid
Flatten the 2D grid into 1D, shift each element by k positions using modulo, and rebuild the 2D grid.
🕒 O(m x n) | 💾 O(m x n)
#LeetCode #Java #Matrix #2DArray #100DaysOfCode
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131
8 May 2025
🚀 #GFG160 – Day 36: Matrix Mastery Continues! 🧠🗺️
Solved the Search in a Sorted Matrix problem today — optimized search using Binary Search on a virtual 1D array!
✔️ Search in a Sorted Matrix
#BinarySearch #2DArray #GeeksforGeeks #100DaysOfCode #geekstreak2025
@geeksforgeeks
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