A few of the programs for Princeton's free DSA course.
I went back to university so I stopped but the assignments for the first couple of weeks are here.
Week 1: Percolation, PercolationStats, Permutation. Union-find and alg analysis.
Week 2: Deque, DequeSlow, RandomizedQueue. Stacks and queues, basic sorts.
The following codes are for educational purpose only and not intended to be used/submitted as your own solutions. Cheating violates the Academic Honesty of the course.