zzpanda/Quora
Quora Challenges
Using MapReduce to count the frequencies of words appeared in the big set of data, running on EC2 server.
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Quora Challenges
Giving a sliding-block Puzzle, try to find a path from the initial configuration to goal configuration by using various algorithm and data structures such as Stack, Queue and Graph.
Using various search algorithms (A* search, Adversarial search) and probability theories (Markov Decision or Reinforcement) to change and improve the path of the Pacman or Ghosts in order to defeat the Ghosts or eat the Pacman.
Using SIMD, OpenMP and other tricks to improve the efficiency of matrix multiplication.