8‑15‑2011 C++ An implementation of a FIFO queue that supports O(1) push, pop, and find-minimum. Lights-Out Solver (link) 8‑29‑2011 C++ A solver for the game Lights Out using Gaussian elimination over GF(2) . Maximum Single-Sell Profit (link) 11‑9‑2011 Python Four algorithms for the maximum single-sell profit problem , each showing off a