May 30, 2025 · 2 min read · Hi everyone 👋, I'm Piyush Kumar, and welcome to Day 10 of my #90DaysOfDSA journey! Today I tackled a problem that perfectly blends string manipulation and math: Greatest Common Divisor of Strings. 🔍 Problem Statement Given two strings str1 and st...
Join discussionMay 27, 2025 · 2 min read · 📅 Day 7 of my #90DaysOfDSA journey was packed with string and array-based problems. From detecting duplicates to checking isomorphism between strings — it was all about pattern recognition and data structure efficiency. 🔗 Full Repo Link: DSA-Proble...
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May 26, 2025 · 2 min read · 📅 Date: May 26, 2025🏷️ Tags: DSA, Python, LeetCode, Sliding Window, HashMap 👋 Hello Devs! Welcome back to my #90DaysOfDSA journey. On Day 6, I focused on solving problems that involve string pairing and sliding window techniques — both of which a...
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