Combinatorial optimization (CO) underpins critical applications in science and engineering, ranging from logistics to electronic design automation. A classic example of CO is the NP-complete Traveling ...

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 technical interviews, the ability to solve Data Structure and Algorithm (DSA) problems efficiently is crucial. Employers seek candidates who can think critically, demonstrate problem-solving skills ...

C++ & Java implementations of 6 algorithm problems — tromino tiling, knight's tour, Tower of Hanoi (4-peg), knight swap, target shooting, and lattice coverage — using Divide & Conquer, Greedy, BFS, ...

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 ...