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  • October 5, 2025
Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)). Example...
  • October 2, 2025
Searching is one of the most fundamental operations in computer science. Whether you’re looking up a contact in your phone,...
  • October 2, 2025
🧠 DSA Approach to Think Whenever you solve Binary Search, think like this: 📝 Binary Search in PHP (Code) 📊...
  • October 2, 2025
Binary Search is one of the most fundamental and efficient searching algorithms in Data Structures and Algorithms (DSA). It is...
  • September 27, 2025
  • September 27, 2025
  • September 27, 2025
✅ 1. Normal Approach (Nested Loops) 🔹 Output (for $rows = 5): ✅ 2. Matrix Approach. 🔹 Output (for $rows...
  • September 27, 2025
📌 Pattern Example (for n = 5) ✅ Step-by-Step (DSA Approach) 💻 PHP Implementation 📊 Dry Run for n=5 ✅...
  • September 21, 2025
📌 Pattern (for n = 5) Notice: stars are aligned to the right side. ✅ PHP Program (Right-Aligned Triangle) 🔎...