I invested 6+ hours to create this cheatsheet of 53 DSA problem-solving patterns & 265 problems of the 6 most commonly asked important data structures in interviews. (Problems are at the end) 1.

In the competitive world of tech job interviews, the importance of Data Structures and Algorithms (DSA) cannot be overstated. Whether you're vying for a position at a startup or a tech giant like ...

//Runtime: 8 ms, faster than 99.49% of C++ online submissions for Validate Binary Search Tree. //Memory Usage: 22.2 MB, less than 5.05% of C++ online submissions for Validate Binary Search Tree. * ...

Note: Some of the code here is old and was written when I was learning C++. It might be possible that code is not safe or making wrong assumptions. Please use with caution. Pull requests are always ...